The TSB information displayed below are summaries. Unfortunately we do not have access to the full versions.
To get full information about a particular TSB, write down the TSB title & date, & either contact your local dealer or click on the links below.
Summary: Brake Hydrdroboost Leaking Power Steering Fluid, this may be due to overheating (thermal set of the hydro boost seals) from lack of/insufficient cooling by the loop cooler.
Summary: This Preliminary Information communication provides information to the technician with the installation of Cruise Control on a vehicle which did not come equipped with the option. Technician will need to contact the Techline Customer Suppor
Summary: This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair the vehicles that may have unwanted or phantom phone calls. Technician will need to determine what type of call the cu
Summary: This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
Summary: This preliminary informational bulletin provides a procedure to apply dielectric grease and a piece of adhesive shim stock to the steering angle sensor connector to correct a condition of service stabilitak message displayed in DIC and DTC
Summary: This technical bulletin provides a procedure to replace the power steering pump and line to correct the customers concern of lack of steering assit when stopped or parking lot manuvers.
Summary: This Preliminary Information communication provides information to the technician with the installation of Cruise Control on a vehicle which did not come equipped with the option. Technician will need to contact the Techline Customer Suppor
Summary: This technical bulletin provides a revision for 12-02-32-002 to add the 2013-2014 model years, add noise as a possible condition and add a Note in the Instructions section.
Summary: Brake Hydrdroboost Leaking Power Steering Fluid, this may be due to overheating (thermal set of the hydro boost seals) from lack of/insufficient cooling by the loop cooler.
Summary: This technical bulletin provides a revision for 12-02-32-002 to add the 2013-2014 model years, add noise as a possible condition and add a Note in the Instructions section.
Summary: "THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO INSPECT THE STEERING GEAR FOR A NORMAL CONDITION OF GREASE OR SEALANT ON EXTERIOR CASE OF GEAR DUE TO THE MANUFACTURING PROCESS."
Summary: This preliminary informational bulletin provides a procedure to apply dielectric grease and a piece of adhesive shim stock to the steering angle sensor connector to correct a condition of service stabilitak message displayed in DIC and DTC
Summary: This Preliminary Information communication provides information to the technician on vehicles that may have an intermittent high idle. If a technician has duplicated, or the customer description aligns with the speeds mentioned in the idle
Summary: This Preliminary Information communication provides information to the technician vehicles with a slight rough idle. Technician should compare the concern with a like vehicle. If the concern is worse than a like vehicle, technician should f
Summary: This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the suppo
Summary: This preliminary informational bulletin provides repair information to replace the front springs with a new designed spring to correct a customer concern of front suspension too low, excessive tire wear, and/or unable to perform alignment.
Summary: This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Di
Summary: This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the suppo
Summary: This preliminary informational bulletin provides a procedure to replace the upper control arm bushing to correct the customers concern of a noise and/or shake felt while driving.
Summary: This informational bulletin was created to aid the technician in diagnosing the difference between a shock or strut that has a fluid residule from a possible external source from a leaking shaft seal.
Summary: THIS PRELIMINARY INFORMATION BULLETIN PROVIDES A PROCEDURE TO REPLACE BOTH FRONT SUSPENSION SPRINGS TO CORRECT A CUSTOMER CONCERN THAT THE FRONT SUSPENSION IS TOO LOW AND/OR THERE IS EXCESSIVE FRONT TIRE WEAR.
Summary: This informational bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
Summary: This preliminary informational bulletin provides repair information on installing a reinforcement to correct a customer concern that a crack has developed on the spring mount area of the front shock absorber mounting bracket.
Summary: This informational bulletin provides technicians with ways to decrease the tire slipping on the rim and reduce to possible chances of the customers concerns over tire vibration are repair.
Summary: This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
Summary: This informational bulletin provides information on installing the correct tires for vehicles with the condition of under hard acceleration at higher speeds, the traction control light will flash. Or, they may come in for ABS or general han
Summary: THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPLACE THE POWER BRAKE BOOSTER AND FLUID COOLER INLET AND OUTLET HOSE TO CORRECT A CONDITION OF BRAKE HYDROBOOSTER LEAKING POWER STEERING FLUID.
Summary: 14301 - SPECIAL COVERAGE. ON SOME VEHICLES, EQUIPPED WITH A HINGED LEFT SIDE REAR DOOR (E26), INADEQUATE CLEARANCE MAY RESULT IN ABRASION TO ONE OR BOTH REAR BRAKE LINES. THIS COULD CAUSE BRAKE FLUID LOSS RESULTING IN DECREASED BRAKE LINE
Summary: THIS TSB CONTAINS AN OWNER LETTER. SEE DOCUMENT SEARCH BUTTON BELOW. GENERAL MOTORS 2011-2014 CHEVROLET EXPRESS, GMC SAVANA EQUIPPED WITH HINGED LEFT SIDE REAR DOOR. BULLETIN COVERAGE REGARDING INADEQUATE CLEARANCE OF FUEL FILL PIPE CLAM
Summary: This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? Br
Summary: This warranty administration bulletin provide policy information on a revised customer concern not duplicated/verified labor operation numbers and how to submit CCND.
Summary: This Preliminary Information communication provides information to the technician about brake rotors on new vehicles and replacement parts from General Motors Service Parts Operations. Technician should be advised the costing should not be
Summary: This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
Summary: This Preliminary Information communication provides information to the technician about hairline cracks may be noticed in the pad friction material, when performing a brake inspection. Technician should be advised that the hairline cracks d
Summary: This Preliminary Information communication provides information to the technician about the operation and diagnostics of the Regular Production Option Code UJ1 brake warning pressure warning system. The technician can test the operation of
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0442. Technician will need to review T
Summary: This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
Summary: This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN WITH THE STEPS ON DIAGNOSING AND REPAIRING VEHICLES THAT MAY HAVE UNWANTED GRADE BRAKING, REDUCED ENGINE POWER WITH NO DRIVER INFORMATION CENTER MESSAGES ¿ BR
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE HYDRO-BOOST IS NOT SERVICEABLE AND WILL NEED TO BE REPLACED IF THE BRAKE PEDAL MOVES OR APPLIES ON ITS OWN AT A FULL TURN.
Summary: This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? Br
Summary: This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? Br
Summary: This Preliminary Information communication provides information to the technician about hairline cracks may be noticed in the pad friction material, when performing a brake inspection. Technician should be advised that the hairline cracks d
Summary: 17650 - Customer Advisory Letter. If this condition affects your vehicle you may noticed the CNG odor or hear a hissing sound. To check for this condition, please have a certified CNG technician inspect the manual shut-off valve in accor
Summary: This Preliminary Information communication provides information to the technician about hairline cracks may be noticed in the pad friction material, when performing a brake inspection. Technician should be advised that the hairline cracks d
Summary: This Preliminary information communicates an issue with the body harness shorting out off on the parking brake release cable causing various fuses to blow. We arecurrently looking into how and where this is happening in order to implement a
Summary: This preliminary informational bulletin provides information regarding the normal characteristic of instrument panel red brake light intermittently comes on.
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN WITH THE STEPS ON DIAGNOSING AND REPAIRING VEHICLES THAT MAY HAVE UNWANTED GRADE BRAKING, REDUCED ENGINE POWER WITH NO DRIVER INFORMATION CENTER MESSAGES ¿ BR
Summary: This preliminary informational bulletin adds the 2015 Chevrolet Colorado and GMC Canyon to diagnosis and repair information to correct a customer concern of alleged no park, vehicle rolls in park or park will not hold.
Summary: This preliminary informational bulletin provides diagnosis and repair information to correct a customer concern of alleged no park or vehicle rolls in park or park will not hold.
Summary: This preliminary informational bulletin provides diagnosis and repair information to correct a customer concern of alleged no park or vehicle rolls in park or park will not hold.
Summary: This Bulletin provides guidelines for Dealers required to contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of asse
Summary: This informational bulletin provides a revision for 09-06-04-015B (Vehicles Sitting Outside on Dealer Lots for Extended Periods with Hard Start/No Start Condition) to add the 2015-2018 model years.
Summary: This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2 9U.S. and Canada
Summary: This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is
Summary: This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related component
Summary: This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only).
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on or engine misfire, rough idle, extended crank, or crank no start in some cases. Technician will need
Summary: This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Technician may find Diagnostic
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Code
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a rough idle and/or momentary lack of power after cold starting the engine and immediately placing the transmission in gear. Technici
Summary: This Preliminary Information communication provides information to the technician about engine block that have a possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leaka
Summary: This Preliminary Information communication advises the technician that the parts restriction has ended on the 6.6L Duramax engine Regular Production Option Code (LML/LGH) part number 12638502. Dealer can now order parts through the normal C
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ABOUT THE CALCULATION AND OPERATION OF THE ENGINE OIL LIFE MONITOR. THE MONITOR CALCULATES THE PERCENT OF OIL LIFE REMAINING, BASED ON 3 PATHWAYS. THE FIRST PATHWAY FOR OIL L
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE 6.6L DURAMAX, REGULAR PRODUCTION OPTION CODE LML/LGH, ENGINE PART NUMBER 12638505 PARTS RESTRICTION HAS ENDED. DEALER CAN ORDER PARTS THROUGH THE REGULAR CUSTOMER CA
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN WITH THE STEPS ON DIAGNOSING AND REPAIRING VEHICLES THAT MAY HAVE UNWANTED GRADE BRAKING, REDUCED ENGINE POWER WITH NO DRIVER INFORMATION CENTER MESSAGES ¿ BR
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE A MALFUNCTION INDICATOR LAMP ON OR ENGINE MISFIRE, ROUGH IDLE, EXTENDED CRANK, OR CRANK NO START IN SOME CASES. TECHNICIAN WILL NEED
Summary: This informational bulletin provides information on identifying non-GM (aftermarket) engine calibrations for gasoline engines using Tech 2 or GDS 2.
Summary: 15801 - Customer Satisfaction Program. (2012 model year repair suspended) Vehicles equipped with Duramax Diesel Engine (RPO LGH or LML) and Ambulance Upfitter or Fire Truck Upfitter (RPO YF2 or ANM), may have a condition in which the emissi
Summary: CONDITION Certain 2010-2016 model year Chevrolet Express, GMC Savana, 2011-2013 model year Chevrolet Silverado HD, 2015-2016 model year Chevrolet Silverado HD, 2011-2012 model year GMC Sierra HD, 2015 model year GMC Sierra HD vehicles
Summary: This informational bulletin provides information on Identifying Non-GM (Aftermarket) Engine Calibrations for Gasoline Engines Using Tech 2® or GDS 2 (U.S. and Canada)
Summary: This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? Br
Summary: This Preliminary Information communication provides steps the technician will uses to diagnose and repair vehicles that have low oil pressure after an oil change with the engine Regular Production Option Code L20, L77, L94, L96, L99, L9H, L
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A COLD ENGINE TICK NOISE FOR 50 SECONDS AT START UP. TECHNICIAN DETERMINES IF THE TICK NOISE IS POSSIBLY COMING FROM THE EXHAUST
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON VEHICLES THAT MAY HAVE AN INTERMITTENT HIGH IDLE. IF A TECHNICIAN HAS DUPLICATED, OR THE CUSTOMER DESCRIPTION ALIGNS WITH THE SPEEDS MENTIONED IN THE IDLE
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE SERVICE ENGINE SOON AND A DIAGNOSTIC TROUBLE CODE P0011. IF THE TECHNICIAN HAS FOLLOWED SERVICE INFORMATION DIAGNOSTIC TROUBLE CO
Summary: This informational bulletin provides information on close coupled converters and there affect on newly installed engines or engines during there break in period.
Summary: This Preliminary Information communication provides information to the technician about vehicles with Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0101. Technician should follow published Serv
Summary: Some customers may comment on vehicle reduced engine power with a Service Engine message displayed. Upon inspection, a technician may find DTC P2263 set. This condition may be caused by snow or ice being ingested into the air cleaner ho
Summary: Some customers may comment on vehicle reduced engine power with a Service Engine message displayed. Upon inspection, a technician may find DTC P2263 set. This condition may be caused by snow or ice being ingested into the air cleaner hou
Summary: This Preliminary Information communication provides information to the technician about the operation and diagnostics of the Regular Production Option Code UJ1 brake warning pressure warning system. The technician can test the operation of
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a hard start when the engine is hot. If the fuel found in the vehicle has an American Petroleum Institute specific gravity reading of
Summary: This Preliminary Information communication provides information to the technician vehicles with a slight rough idle. Technician should compare the concern with a like vehicle. If the concern is worse than a like vehicle, technician should f
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on or a low oil pressure indicated after an oil change. Technician may find Diagnost
Summary: CADILLAC/CHEVROLET/GMC: ON SOME VEHICLES AND/OR TRUCKS, INSTRUMENT CLUSTER WILL ILLUMINATE, AFTER AN OIL CHANGE, INDICATING LOW OIL PRESSURE AND/OR SES LAMP WILL ILLUMINATE. MODEL 2007-13 CANYON, SIERRA, SAVANA, YUKON, CTS-V, ESCALADE, AV
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on or a low oil pressure indicated after an oil change. Technician may find Diagnost
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on or a low oil pressure indicated after an oil change. Technician may find Diagnost
Summary: GMC/CHEVROLET: TSB CONTAINS AN OWNER'S NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. SOME TRUCKS WILL EXPERIENCE ILLUMINATION OF MALFUNCTION INDICATOR LIGHT (MIL) DUE TO INDIRECT FUEL INJECTOR WILL HAVE LOW FLOW OR BE STUCK
Summary: This informational bulletin provides technicians with information to help educate them on the many various combinations of engines, interfacing equipment and vehicle usage which may cause higher than expected oil consumption.
Summary: 14634 -SPECIAL COVERAGE (MESSAGE ONLY - POPULATION CHANGE). PLEASE BE ADVISED 2010-2014 CHEVROLET EXPRESS AND GMC SAVANA VEHICLES EQUIPPED WITH A 6.6L DIESEL ENGINE (LMM/LGH), 5.3L FLEX-FUEL ENGINE (LMF), OR A 6.0L LIQUID PROPANE/COMPRESSE
Summary: This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a no crank concern. Technician will need to check the valve train for movement when the engine is c
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on or engine misfire, rough idle, extended crank, or crank no start in some cases. Technician will need
Summary: 14096C - EMISSIONS RECALL (REVISED CALIBRATION IS NOW AVAILABLE). GENERAL MOTORS HAS DECIDED TO CONDUCT A VOLUNTARY EMISSION RECALL INVOLVING CERTAIN VEHICLES EQUIPPED WITH A GASOLINE OR LIQUEFIED PETROLEUM GAS (LPG) ENGINE. THE OXYGEN (O2
Summary: GMC/CHEVROLET: ENGINES, WITH EGR SYSTEM, HAS LEAKAGE FROM EGR COOLER ENGINE COOLANT INTO THE COMBUSTION CHAMBER. MODEL 2002-15 SILVERADO, SIERRA, 2004-09 KODIAK C4500-C5500, TOPKICK C4500-C5500, 2006-15 EXPRESS, SAVANA. *PE
Summary: This Preliminary Information communication provides information to the technician on vehicles that may have an intermittent high idle. If a technician has duplicated, or the customer description aligns with the speeds mentioned in the idle
Summary: 14096B - EMISSIONS RECALL (REVISED SERVICE PROCEDURE AND TECHLINE INFORMATION). GENERAL MOTORS HAS DECIDED TO CONDUCT A VOLUNTARY EMISSION RECALL INVOLVING CERTAIN VEHICLES EQUIPPED WITH A GASOLINE OR LIQUEFIED PETROLEUM GAS (LPG) ENGINE.
Summary: This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressive
Summary: This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Technician may find Diagnostic
Summary: 14096A - EMISSIONS RECALL (REVISED SERVICE PROCEDURE). GENERAL MOTORS HAS DECIDED TO CONDUCT A VOLUNTARY EMISSION RECALL INVOLVING CERTAIN VEHICLES EQUIPPED WITH A GASOLINE ENGINE. THE OXYGEN (O2) SENSOR MAY FRACTURE IF CONDENSATION FROM T
Summary: 14096 - EMISSIONS RECALL. GENERAL MOTORS HAS DECIDED TO CONDUCT A VOLUNTARY EMISSION RECALL INVOLVING CERTAIN VEHICLES EQUIPPED WITH A GASOLINE ENGINE. THE OXYGEN (O2) SENSOR MAY FRACTURE IF CONDENSATION FROM THE CATALYTIC CONVERTER ENTERS
Summary: This Preliminary Information communication advises the technician that the 2010 through 2015 6.6L Duramax Diesel Engine Fuel Injection Pump Part numbers 12645102, 12658095 and 12661059 will be placed on a parts restriction through the Gener
Summary: This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a no crank concern. Technician will need to check the valve train for movement when the engine is c
Summary: GMC/CHEVROLET: SOME VEHICLES/TRUCKS MAY EXPERIENCE A NO CRANKING OR STARTING, CAUSED BY POSSIBLE EXCESSIVE LEAKAGE FROM CYLINDER PAST EXHAUST OR INTAKE VALVE, LOW STATIC COMPRESSION, SENSOR IS DISCONNECTED, OR WHILE CRANKING, VALVE TRAIN F
Summary: This Preliminary Information communication provides information to the technician about vehicles that have an oil leak shortly after a cold start when extremely low ambient temperatures are present. Technician will need to clean the area of
Summary: This Preliminary Information communication advises the technician that the 2010 through 2015 6.6L Duramax Diesel Engine Part number 12638502 has been placed on a parts restriction through General Motors Product Quality Center. Dealer will n
Summary: This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a no crank concern. Technician will need to check the valve train for movement when the engine is c
Summary: This Preliminary Information communication advises the technician that the 6.6L Duramax Diesel Engine Part number 12638502 has been placed on a parts restriction through the General Motors Product Quality Center. Dealer will need to contact
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a cold engine tick noise for 50 seconds at start up. Technician determines if the tick noise is possibly coming from the exhaust
Summary: This Preliminary Information communication advises the technician that the 6.6L Diesel Engine Fuel Injection Pump part numbers 12645102 and 12658095 will be placed on a parts restriction through the General Motors Product Quality Center. De
Summary: This Preliminary Information communication provides information to the technician about vehicles with a "Service Charging System" message displayed on the Driver Information Center and/or a low voltage reading on the volt gauge during the f
Summary: This Preliminary Information communication provides information to the technician about vehicles that are setting Diagnostic Trouble Code P0300 after engine repairs. Technician will need to ensure that injector connectors for cylinder 5-7 a
Summary: This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a no crank concern. Technician will need to check the valve train for movement when the engine is c
Summary: This Preliminary Information communication provides information to the technician on vehicles that may have an intermittent high idle. If a technician has duplicated, or the customer description aligns with the speeds mentioned in the idle
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a hard start, no start, rough running, or low fuel pressure. Technician may find Diagnostic Trouble Codes P0087, P0088, P0191 and
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have "Exhaust Fluid Low", "Exhaust Fluid Empty - Refill Now", "Exhaust Fluid Range: XXX" or "Service Exhaust Fluid - See Owners Now" o
Summary: This Preliminary Information communication advises the technician that vehicles with engine Regular Production Option Code LGH or LML may have an Exhaust Fluid Quality Poor message displayed on the Driver Information Center. Technician will
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Code
Summary: This Preliminary Information communication advises the technician that the 6.6L Duramax Diesel Engine Control Module Part numbers 12648344 and 12654088 will be placed on a parts restriction through the General Motors Product Quality Center.
Summary: This Preliminary Information communication advises the technician that the Duramax Diesel Engine Fuel Injection Pump Part number 12645102 will be placed on a parts restriction through the General Motors Product Quality Center. Dealer will n
Summary: This Preliminary Information communication advises the technician that the Duramax Diesel Engine Control Module Part numbers 12648344 and 12654088 will be placed on a parts restriction through the General Motors Product Quality Center. Deal
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have Diagnostic Trouble Codes P0088 and P128E sets after a fuel system or engine repair. Technician will inspect for the Fuel Rail Pre
Summary: This informational bulletin provides information of suspected tampering or vehicle modifications for non-GM (Aftermarket) engine and transmission calibrations for V6 and V8 gasoline engines Using Tech 2® or global diagnostic system 2 (GDS
Summary: This Preliminary Information communication provides information to the technician about vehicles that have Service Engine Soon Malfunction Indicator Lamp and the engine misfires. Technician may find Diagnostic Trouble Codes P0300, P0301, P0
Summary: This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Technician may find Diagnostic
Summary: This Preliminary Information communication advises the technician that 2013 6.6L Duramax Diesel Engine Regular Production Option Code (LGH and LML) part number 12638502 will be placed on a parts restriction through the General Motors Produc
Summary: This Preliminary Information communication provides information to the technician about vehicles that have misfires on cylinders 1, 4, 6 and 7. Technician should inspect the camshaft part numbers. Technician should ensure to use part number
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Code
Summary: CHEVROLET/GMC: AFTER COLD STARTING ENGINE AND PLACING IN GEAR, WOULD HAVE A ROUGH IDLE AND/LACK OF POWER, MOMENTARILY BEFORE STARTUP A FEW MINUTES LATER. MODELS 2009-2013 EXPRESS, SILVERADO, SUBURBAN, SAVANA, SIERRA. *P
Summary: THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A PROCEDURE TO PERFORM AN AIR LEAK INSPECTION TO CORRECT A CUSTOMER CONCERN ON AN ILLUMINATED MALFUNCTION INDICATOR LAMP (MIL), AND A REDUCED ENGINE POWER MESSAGE DISPLAYED DUE TO THE ENGINE
Summary: THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION FOR IDENTIFYING NON-GM ECM CALIBRATION USE AND POWER-UP HARDWARE DETECTION IN DURAMAX DIESEL ENGINES - PHOTOGRAPH TECH 2 CALIBRATION IDS, CALIBRATION VERIFICATION NUMBERS (CVNS) AND TRANSMISS
Summary: This PI was superseded to update model years and add information concerning idle surge, reduced engine power mode, and/or DTCs P0068, P0121, P1516, P2101, P2119, and/or P2176 that may be experienced on high mileage vehicles. Please discard
Summary: 29400 01 - Special Coverage. On certain vehicles that are equipped with a diesel engine (RPO LML/LGH/LUZ), a malfunction-indicator light (MIL) may illuminate due to an offset in the temperature sensor in the diesel-emission-reduction fluid
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE LOW OIL PRESSURE MESSAGE. TECHNICIAN MAY ALSO FIND A DIAGNOSTIC TROUBLE CODE P0521 IN THE ENGINE CONTROL MODULE. TECHNICIAN SHOUL
Summary: THIS INFORMATIONAL BULLETIN EXPLAINS A POSSIBLE NORMAL WHINING NOISE FROM THE BALANCE SHAFT CHAIN IF THE VEHICLE HAS LESS THAN 10,000 MILES ON IT.
Summary: This Preliminary Information communication provides information to the technician on the proper steps for filling the coolant system for vehicles with a diesel engine and rear heater systems. Dealer will need to review and use Service Infor
Summary: This Preliminary Information communication provides additional information to the technician when replacing the Duramax Diesel head gasket. This is a supplement to procedure found in Service Information. The left and right cylinder head gas
Summary: This informational bulletin provides information to dealership personnel on identifying Duramax Diesel overpower engine breakdown or non-function due to aftermarket power-up devices vs. non overpower engine non-function of pistons, cylinder
Summary: This informational bulletin provides information to technicians regarding intake manifold inspection/replacement after severe internal engine damage.
Summary: This Preliminary Information communication provides information to the technician on the proper steps for filling the coolant system for vehicles with a diesel engine and rear heater systems. Dealer will need to review and use Service Infor
Summary: This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC P21
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find a Diagnostic Trouble Code P0011. If the technician has follo
Summary: This informational bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered seepage.
Summary: This informational bulletin provides information to technicians regarding intake manifold inspection/replacement after severe internal engine damage.
Summary: This Preliminary Information communication advises the technician about the calculation and operation of the engine oil life monitor. The monitor calculates the percent of oil life remaining, based on 3 pathways. The first pathway for oil l
Summary: This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is
Summary: This Preliminary Information communication provides information to the technician about vehicles with Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0101. Technician should follow published Serv
Summary: This Preliminary Information communication provides information to the technician on the proper steps for filling the coolant system for vehicles with a diesel engine and rear heater systems. Dealer will need to review and use Service Infor
Summary: This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blo
Summary: The purpose of this document is to provide the Service Personnel with a guide to determine which Service Information documents and scan tool parameters to reference when encountering an: Exhaust Fluid Quality Poor Message Displayed, and a R
Summary: This informational bulletin provides information to the customer to clean the exhaust filter when prompt to or the MIL may come on and the truck DPF system may fail.
Summary: This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a no crank concern. Technician will need to check the valve train for movement when the engine is c
Summary: This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blo
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on a rough running engine, and/or oil consumption. Technician will find Diagnostic T
Summary: This Preliminary Information communication provides information to the technician on the proper steps for filling the coolant system for vehicles with a diesel engine and rear heater systems. Dealer will need to review and use Service Infor
Summary: This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Technician may find Diagnostic
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Code P0420. Technician will need to foll
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a cold engine tick noise for 50 seconds at start up. Technician determines if the tick noise is possibly coming from the exhaust
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a rough idle and/or momentary lack of power after cold starting the engine and immediately placing the transmission in gear. Technici
Summary: This informational bulletin provides information on the proper oils to use on GM vehicles including information regarding the differences of the Dexos oils.
Summary: This Preliminary Information communication provides information to the technician that fluid contamination may be directed to one of the following testing centers according to the type of fluid needing testing. Dealer should send the correc
Summary: This technical bulletin provides a procedure for replacing the throttle position sensor cover for concerns regarding a indicator lamp illuminated reduced power message displayed and DTC P2135 set.
Summary: This Preliminary Information communication provides information to the technician about vehicles with Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0101. Technician should follow published Serv
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on shortly after cold start. Technician will find a Diagnostic Trouble Code P2181 in
Summary: This informational bulletin provides information on Identifying Non-GM (Aftermarket) Engine Calibrations for Gasoline Engines Using Tech 2 or GDS 2
Summary: This informational bulletin provides Information on Identifying Duramax Diesel Overpower Engine Breakdown/Non-Function Due to Aftermarket Power-Up Devices vs Non Overpower Engine Non-Function of Pistons, Cylinders, Valvetrain Components, DT
Summary: GENERAL MOTORS: AN OPTIONAL ENGINE BLOCK HEATER PLUG IN FOR ONBOARD AC POWER AND WITH CONTINUOUS USAGE WILL RESULT IN SHORTING OF WIRES, OVER HEATING SYSTEM, ELECTRICAL FAILURE AND COMPARTMENT ENGINE FIRES. MODEL 2003-15 EXPRESS CUT AWAY
Summary: This preliminary informational bulletin was created to inform Service Agents or Dealers, they may be charged back for parts and labor due to the turbo-chargers are being returned to the Warranty Parts center damaged, improperly assembled or
Summary: This preliminary informational bulletin provides dealership personnel with policies and procedures regarding damaged, disassembled or improperly packaged turbochargers returned to Warranty Part Center.
Summary: This Preliminary Information communication provides information to the technician that some vehicle may have an ?Exhaust Fluid Quality Poor? on the Driver Information Center or a diesel exhaust fluid warning lamp on or other exhaust fluid q
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE 6.6L DURAMAX, REGULAR PRODUCTION OPTION CODE LML/LGH, ENGINE PART NUMBER 12638505 PARTS RESTRICTION HAS ENDED. DEALER CAN ORDER PARTS THROUGH THE REGULAR CUSTOMER CA
Summary: THIS INFORMATIONAL BULLETIN EXPLAINS THE USE OF DIESEL FUEL ADDITIVES IN AN ENGINE, ARE NOT REQUIRED UNLESS THE CUSTOMER DESIRES ADDITIVES TO PREVENT FUEL CONCERNS DEPENDING ON FUEL OR TEMPERATURE RELATED CONDITIONS.
Summary: This Preliminary Information communication advises the technician that vehicles with engine Regular Production Option Code LGH or LML may have an Exhaust Fluid Quality Poor message displayed on the Driver Information Center. Technician will
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT SOME VEHICLE MAY HAVE AN ¿EXHAUST FLUID QUALITY POOR¿ ON THE DRIVER INFORMATION CENTER OR A DIESEL EXHAUST FLUID WARNING LAMP ON OR OTHER EXHAUST FLUID Q
Summary: This Preliminary Information communication provides additional information to the technician when replacing the Duramax Diesel head gasket. This is a supplement to procedure found in Service Information. The left and right cylinder head gas
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have "Exhaust Fluid Low", "Exhaust Fluid Empty - Refill Now", "Exhaust Fluid Range: XXX" or "Service Exhaust Fluid - See Owners Now" o
Summary: This Preliminary Information communication advises the technician that the 6.6L Duramax Diesel Engine Part number 12638502 has been placed on a parts restriction through the General Motors Product Quality Center. Dealer will need to contact
Summary: This Preliminary Information communication provides information to the technician on the proper steps for filling the coolant system for vehicles with a diesel engine and rear heater systems. Dealer will need to review and use Service Infor
Summary: GMC/CHEVROLET: TO ASSIST ENGINEERING PRODUCT FEEDBACK, PARTS FOR DURAMAX DIESEL ENGINE, HAS BEEN PLACED ON RESTRICTIONS, BY PRODUCT QUALITY CENTER (PQC). MODEL 2010-16 DURAMAX. *PE
Summary: This Preliminary Information communication provides additional information to the technician when replacing the Duramax Diesel head gasket. This is a supplement to procedure found in Service Information. The left and right cylinder head gas
Summary: This Preliminary Information communication advises the technician that the Diesel Oxidation Converter part numbers 15231895, 22768282, 22770967, 22887212, 22893734 and 22977171 will be placed on a parts restriction through the General Motor
Summary: GMC/CHEVROLET: SERVICE ENGINE MESSAGE IS DISPLAYED DUE TO REDUCED ENGINE POWER CAUSED BY SNOW OR ICE BEING INGESTED INTO AIR CLEANER HOUSING AND ACCUMMULATING, RESULTING IN RESTRICTED AIRFLOW TO ENGINE. MODEL 2011-2014 EXPRESS, SAVANA.
Summary: This Preliminary Information communication provides information to the technician on the proper steps for filling the coolant system for vehicles with a diesel engine and rear heater systems. Dealer will need to review and use Service Infor
Summary: GENERAL MOTORS: SERVICE ENGINE SOON LIGHT ILLUMINATED ON DASH. THERE MAY ALSO BE INCREASED ENGINE NOISE, OR POSSIBLE HIGHER RPM SHIFTS, AND REDUCED A/C PERFORMANCE. *KB
Summary: This informational bulletin provides information for Identifying Non-GM ECM Calibration Use and Power-up Hardware Detection in Duramax Diesel Engines - Photograph Tech 2 Calibration IDs, Calibration Verification Numbers (CVNs) and Transmiss
Summary: This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared Message Displayed on DIC, DTC P2463 May Be Set.
Summary: This Preliminary Information communication advises the technician that vehicles with engine Regular Production Option Code LGH or LML may have an Exhaust Fluid Quality Poor message displayed on the Driver Information Center. Technician will
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT SOME VEHICLE MAY HAVE AN ¿EXHAUST FLUID QUALITY POOR¿ ON THE DRIVER INFORMATION CENTER OR A DIESEL EXHAUST FLUID WARNING LAMP ON OR OTHER EXHAUST FLUID Q
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have "Exhaust Fluid Low", "Exhaust Fluid Empty - Refill Now", "Exhaust Fluid Range: XXX" or "Service Exhaust Fluid - See Owners Now" o
Summary: This preliminary informational bulletin provides service personnel with a guide to determine which SI documents and scan tool parameters to reference when encountering an: Exhaust Fluid Quality Poor message displayed, and a Reductant Fluid
Summary: 15457 - Special Coverage. Some 2010-2015 Chevrolet Express and GMC Savana vehicles and 2011-2015 Chevrolet Silverado HD and GMC Sierra HD vehicles that are equipped with 6.6L Duramax Diesel engines (RPO LML or LGH) may contain a leak in th
Summary: This preliminary informational bulletin provides repair information to correct customer concerns of an exhaust leak or vibration/rattle noise at approximately 900 RPM, fuel smell/white smoke noted intermittently (usually after coming to a s
Summary: This Preliminary Information communication provides information to the technician of additional information while diagnosing a diagnostic trouble code P0420. Check for a possible leak in the exhaust system behind the bank one number 2 oxyg
Summary: This Preliminary Information communication provides information to the technician with additional information while diagnosing a diagnostic trouble code P0420. Check for a possible leak in the exhaust system behind the bank one number 2 oxy
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have "Exhaust Fluid Low", "Exhaust Fluid Empty - Refill Now", "Exhaust Fluid Range: XXX" or "Service Exhaust Fluid - See Owners Now" o
Summary: This informational bulletin provides information to technicians on exhaust fluid range, exhaust fluid quality poor, service exhaust fluid system or Service Emission System Driver Information Center (DIC) messages.
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on. Technician may find a P0420, P24A0 and/or P2463 set. Technician should use published Service Informa
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on. Technician may find a P0420, P24A0 and/or P2463 set. Technician should use published Service Informa
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have "Exhaust Fluid Low", "Exhaust Fluid Empty - Refill Now", "Exhaust Fluid Range: XXX" or "Service Exhaust Fluid - See Owners Now" o
Summary: This Preliminary Information communication advises the technician that vehicles with engine Regular Production Option Code LGH or LML may have an Exhaust Fluid Quality Poor message displayed on the Driver Information Center. Technician will
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have "Exhaust Fluid Low", "Exhaust Fluid Empty - Refill Now", "Exhaust Fluid Range: XXX" or "Service Exhaust Fluid - See Owners Now" o
Summary: This Preliminary Information communication advises the technician that vehicles with engine Regular Production Option Code LGH or LML may have an Exhaust Fluid Quality Poor message displayed on the Driver Information Center. Technician will
Summary: This warranty administration bulletin provide policy information on a revised customer concern not duplicated/verified labor operation numbers and how to submit CCND.
Summary: This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Technician may find Diagnostic
Summary: This Preliminary Information communication provides information to the technician of additional information while diagnosing a diagnostic trouble code P0420. Check for a possible leak in the exhaust system behind the bank one number 2 oxyge
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Code P0420. Technician will need to foll
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a cold engine tick noise for 50 seconds at start up. Technician determines if the tick noise is possibly coming from the exhaust
Summary: This Preliminary Information communication advises the technician that vehicles with engine Regular Production Option Code LGH or LML may have an Exhaust Fluid Quality Poor message displayed on the Driver Information Center. Technician will
Summary: 29400 Special Coverage. Certain vehicles that are equipped with a diesel engine (RPO LML/LGH/LUZ), a malfunction-indicator light (MIL) may illuminate due to an offset in the temperature sensor in the diesel-emission-reduction fluid (DEF) ta
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0442. Technician will need to review T
Summary: 14096A - EMISSIONS RECALL (REVISED SERVICE PROCEDURE). GENERAL MOTORS HAS DECIDED TO CONDUCT A VOLUNTARY EMISSION RECALL INVOLVING CERTAIN VEHICLES EQUIPPED WITH A GASOLINE ENGINE. THE OXYGEN (O2) SENSOR MAY FRACTURE IF CONDENSATION FROM T
Summary: GMC/CHEVROLET: SEE DOCUMENT SEARCH BUTTON FOR OWNER. SOME VEHICLES, WITH COMPRESSED NATURAL GAS (CNG), ARE EXPERIENCING A HIGHER TAILPIPE EMISSION OF EXHAUST DUE TO AN INCORRECT CALIBRATION OF EMC, ALLOWED BY EMISSION STANDARDS. MODELS 2
Summary: GMC/CHEVROLET: ENGINES, WITH EGR SYSTEM, HAS LEAKAGE FROM EGR COOLER ENGINE COOLANT INTO THE COMBUSTION CHAMBER. MODEL 2002-15 SILVERADO, SIERRA, 2004-09 KODIAK C4500-C5500, TOPKICK C4500-C5500, 2006-15 EXPRESS, SAVANA. *PE
Summary: This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a no crank concern. Technician will need to check the valve train for movement when the engine is c
Summary: This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Technician may find Diagnostic
Summary: This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspe
Summary: This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspe
Summary: This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspe
Summary: This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspe
Summary: GMC/CHEVROLET: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. IF CONDENSATION FROM CATALYTIC CONVERTER ENTERS 02 SENSOR, THE TEMPERATURE CHANGES, SUDDENLY, AND WILL FRACTURE. MODEL 2011-2013 EXPRESS, SAVANA. *PE UPDATED 10/10/14
Summary: This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Technician may find Diagnostic
Summary: This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Technician may find Diagnostic
Summary: This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Technician may find Diagnostic
Summary: This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressive
Summary: This preliminary informational bulletin provides repair information to correct customer concerns of an exhaust leak or vibration/rattle noise at approximately 900 RPM, fuel smell/white smoke noted intermittently (usually after coming to a s
Summary: This preliminary information bulletin provides a procedure to re-align the exhaust pipe and replace the gasket to eliminate an exhaust leak or vibration/rattle noise heard approximately 900 RPM, fuel smell, white smoke, oily substance on th
Summary: This Technical Bulletin provides information to correct a customer concern of a siren or whine noise from the in-tank fuel pump at temperatures below -6C or 20F, accompanied by start and stall, no start, loss of power and MIL illuminated. T
Summary: This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a no crank concern. Technician will need to check the valve train for movement when the engine is c
Summary: This Preliminary information communicatesIn ambient temperatures 100F (37.7 C)degrees or higher, DTCs P2635 and/or P018B may set.The vehicle may also exhibit a hesitation or stalling condition.Excessively Hot and sustained ambient temperatu
Summary: This technical bulletin provides a procedure to clean and repair the complete fuel system due to dirt getting into the fuel system causing the vehicle to have a hard or no start.
Summary: 16098 CWNFA Customer Advisory Letter. The letter is to reinforce the need to annually inspect the aft to aft tank flex line and the midship to aft tank flex line. Over time, a leak may occur by exposure to environmental elements and their c
Summary: This Preliminary Information communication provides information to the technician about engine block that have a possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leaka
Summary: This technical bulletin provides a procedure to clean and repair the complete fuel system due to dirt getting into the fuel system causing the vehicle to have a hard or no start.
Summary: This informational Bulletin provides Do's and Don'ts for maximizing gasoline engine fuel economy, other various tips and a list of websites for additional information.
Summary: THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO INSPECT AND REPLACE NECESSARY FUEL COMPONENTS TO CORRECT A CUSTOMER CONCERN OF HARD START OR A NO START AND DTCS P0087, P0088, P0191 OR P128E SET CAUSED BY THE FUEL SYSTEM BEING CONTAMINATED W
Summary: This Preliminary Information communication provides information to the technician about the multiple alternative gaseous fuel vehicles General Motors offers. Chevrolet Express and GMC Savana vans 2011 through 2016 offered a dedicated Compre
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0442. Technician will need to review T
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a hard start when the engine is hot. If the fuel found in the vehicle has an American Petroleum Institute specific gravity reading of
Summary: This Preliminary Information communication provides information to the technician to help determine if the vehicle is equipped with factory or aftermarket Compressed Natural Gas, Liquefied Petroleum Gas, or Bi-Fuel Systems. Technician will
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on. Technician may find a P0420, P24A0 and/or P2463 set. Technician should use published Service Informa
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a hard start or a no start. Technician may find Diagnostic Trouble Code DTCs P0087, P0088, P0191 or P128E. Technician will need to fo
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a fuel leak or fuel odor. Technician may find Diagnostic Trouble Codes. If Diagnostic Trouble Codes are found technician should u
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a hard start, no start, rough running, or low fuel pressure. Technician may find Diagnostic Trouble Codes P0087, P0088, P0191 and
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0442. Technician will need to review T
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a hard start, no start, rough running, or low fuel pressure. Technician may find Diagnostic Trouble Codes P0087, P0088, P0191 and
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a hard start, no start, rough running, or low fuel pressure. Technician may find Diagnostic Trouble Codes P0087, P0088, P0191 and
Summary: This preliminary information bulletin provides a procedure for installing a zip tie for the fuel level sensor to correct the fuel gauge intermittently not reading full when the fuel tank is filled.
Summary: 17356 - Emission Recall. Vehicles may experience an inoperative fuel pump leading to a no start or stall without warning. The fuel pump is to be replaced with a new design fuel pump.
Summary: This Preliminary information communicatesIn ambient temperatures 100F (37.7 C)degrees or higher, DTCs P2635 and/or P018B may set.The vehicle may also exhibit a hesitation or stalling condition.Excessively Hot and sustained ambient temperatu
Summary: GMC/CHEVROLET: TSB CONTAINS AN OWNER NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. THE FUEL PUMP HAS AN OPEN CIRCUIT AND/OR OVERHEATING CONDITION, IN SOME VEHICLES, WHEREBY ITS INOPERATIVE BECAUSE OF FUEL PUMP MODULE BATTERY
Summary: 14634 - Special Coverage. Certain 2010-2014 model year Chevrolet Express and GMC Savana vehicles may have a condition in which the fuel pump becomes inoperative due to an open circuit and/or overheating of the fuel pump module battery termi
Summary: This informational bulletin provides information of customer concern of the vehicle has a no start condition, caused from upfitter modifications not properly preparing the ground, causing the LPG fuel pump to lose a ground connection.
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a hard start or a no start. Technician may find Diagnostic Trouble Code DTCs P0087, P0088, P0191 or P128E. Technician will need to fo
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a fuel leak or fuel odor. Technician may find Diagnostic Trouble Codes. If Diagnostic Trouble Codes are found technician should u
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on. Technician may find a P0420, P24A0 and/or P2463 set. Technician should use published Service Informa
Summary: This Preliminary Information communication provides information to the technician that engineering is asking for additional information if SI diagnosis leads to replacement of the Indirect Fuel Injector for a P0420 Diagnostic Trouble Code.
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a hard start or a no start. Technician may find Diagnostic Trouble Code DTCs P0087, P0088, P0191 or P128E. Technician will need to fo
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a fuel leak or fuel odor. Technician may find Diagnostic Trouble Codes. If Diagnostic Trouble Codes are found technician should u
Summary: GMC/CHEVROLET: AT BOTTOM OF FLYWHEEL HOUSING, A LEAK IS FOUND, CAUSING A FUEL ODOR, DUE TO HIGH PRESSURE PUMP TO HIGH PRESSURE LINE FITTING OR FUEL RAIL CONNECTION. 2010-2015 EXPRESS, SIERRA, SAVANA, SILVERADO. *PE
Summary: This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up.
Summary: 14653 - SPECIAL COVERAGE. SOME 2010-2014 MODEL YEAR CHEVROLET EXPRESS, 2011-2014 MODEL YEAR CHEVROLET SILVERADO HD, 2010-2014 MODEL YEAR GMC SAVANA AND 2011-2014 MODEL YEAR GMC SIERRA HD VEHICLES EQUIPPED WITH A 6.6L ENGINE (RPO LML OR LGH
Summary: GMC/CHEVROLET: TSB CONTAINS AN OWNER'S NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. SOME TRUCKS WILL EXPERIENCE ILLUMINATION OF MALFUNCTION INDICATOR LIGHT (MIL) DUE TO INDIRECT FUEL INJECTOR WILL HAVE LOW FLOW OR BE STUCK
Summary: 29400 Special Coverage. Certain vehicles that are equipped with a diesel engine (RPO LML/LGH/LUZ), a malfunction-indicator light (MIL) may illuminate due to an offset in the temperature sensor in the diesel-emission-reduction fluid (DEF) ta
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a hard start when the engine is hot. If the fuel found in the vehicle has an American Petroleum Institute specific gravity reading of
Summary: This informational bulletin provides information to dealership personnel on identifying Duramax Diesel overpower engine breakdown or non-function due to aftermarket power-up devices vs. non overpower engine non-function of pistons, cylinder
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have "Exhaust Fluid Low", "Exhaust Fluid Empty - Refill Now", "Exhaust Fluid Range: XXX" or "Service Exhaust Fluid - See Owners Now" o
Summary: This Preliminary Information communication advises the technician the diesel oxidation converter part restriction has ended. Dealer can now order the parts through the regular Customer Care and Aftersales parts process.
Summary: This Preliminary Information communication advises the technician that the Diesel Oxidation Converter part numbers 15231895, 22768282, 22770967, 22887212, 22893734 and 22977171 will be placed on a parts restriction through the General Motor
Summary: This Preliminary Information communication advises the technician that the Diesel Oxidation Converter part numbers 15231895, 22768282, 22770967, 22887212, 22893734 and 22977171 will be placed on a parts restriction through the General Motor
Summary: This Preliminary Information communication advises the technician that the Diesel Oxidation Converter part numbers 15231895, 22768282, 22770967, 22887212, 22893734 and 22977171 will be placed on a parts restriction through the General Motor
Summary: This Preliminary Information communication advises the technician that the Diesel Oxidation Converter part numbers 15231895, 22768282, 22770967, 22887212, 22893734 and 22977171 will be placed on a parts restriction through the General Motor
Summary: This Preliminary Information communication provides information to the technician on the proper steps for filling the coolant system for vehicles with a diesel engine and rear heater systems. Dealer will need to review and use Service Infor
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have "Exhaust Fluid Low", "Exhaust Fluid Empty - Refill Now", "Exhaust Fluid Range: XXX" or "Service Exhaust Fluid - See Owners Now" o
Summary: This Preliminary Information communication advises the technician that the Diesel Oxidation Converter part numbers 15231895, 22768282, 22770967, 22887212, 22893734 and 22977171 will be placed on a parts restriction through the General Motor
Summary: This Preliminary Information communication advises the technician that the 6.6L Duramax Diesel Engine Part number 12638502 has been placed on a parts restriction through the General Motors Product Quality Center. Dealer will need to contact
Summary: This Preliminary Information communication provides information to the technician on the proper steps for filling the coolant system for vehicles with a diesel engine and rear heater systems. Dealer will need to review and use Service Infor
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have "Exhaust Fluid Low", "Exhaust Fluid Empty - Refill Now", "Exhaust Fluid Range: XXX" or "Service Exhaust Fluid - See Owners Now" o
Summary: This Preliminary Information communication advises the technician that 2013 6.6L Duramax Diesel Engine Regular Production Option Code (LGH and LML) part number 12638502 will be placed on a parts restriction through the General Motors Produc
Summary: This informational bulletin provides information for Identifying Non-GM ECM Calibration Use and Power-up Hardware Detection in Duramax Diesel Engines - Photograph Tech 2 Calibration IDs, Calibration Verification Numbers (CVNs) and Transmiss
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have "Exhaust Fluid Low", "Exhaust Fluid Empty - Refill Now", "Exhaust Fluid Range: XXX" or "Service Exhaust Fluid - See Owners Now" o
Summary: This Preliminary Information communication provides information to the technician on the proper steps for filling the coolant system for vehicles with a diesel engine and rear heater systems. Dealer will need to review and use Service Infor
Summary: This preliminary informational bulletin provides repair information to correct customer concerns of an exhaust leak or vibration/rattle noise at approximately 900 RPM, fuel smell/white smoke noted intermittently (usually after coming to a s
Summary: This informational bulletin provides dealership personnel with information on flexible fuel vehicles (FFVs) and the usage of E85 fuel in GM vehicles.
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0442. Technician will need to review T
Summary: This Preliminary information communicatesIn ambient temperatures 100F (37.7 C)degrees or higher, DTCs P2635 and/or P018B may set.The vehicle may also exhibit a hesitation or stalling condition.Excessively Hot and sustained ambient temperatu
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a hard start or a no start. Technician may find Diagnostic Trouble Code DTCs P0087, P0088, P0191 or P128E. Technician will need to fo
Summary: GMC/CHEVROLET: TSB CONTAINS AN OWNER NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. THE FUEL PUMP HAS AN OPEN CIRCUIT AND/OR OVERHEATING CONDITION, IN SOME VEHICLES, WHEREBY ITS INOPERATIVE BECAUSE OF FUEL PUMP MODULE BATTERY
Summary: This Preliminary Information communication advises the technician that the 6.6L Duramax Diesel Engine Fuel Injection Pump Part numbers 12645102, 12658095 and 12661059 will be placed on a parts restriction through the General Motors Product
Summary: GMC/CHEVROLET: AT BOTTOM OF FLYWHEEL HOUSING, A LEAK IS FOUND, CAUSING A FUEL ODOR, DUE TO HIGH PRESSURE PUMP TO HIGH PRESSURE LINE FITTING OR FUEL RAIL CONNECTION. 2010-2015 EXPRESS, SIERRA, SAVANA, SILVERADO. *PE
Summary: This Preliminary Information communication advises the technician that the 6.6L Diesel Engine Fuel Injection Pump part numbers 12645102 and 12658095 will be placed on a parts restriction through the General Motors Product Quality Center. De
Summary: This Preliminary Information communication provides information to the technician about vehicles that have an oil leak shortly after a cold start when extremely low ambient temperatures are present. Technician will need to clean the area of
Summary: GMC/CHEVROLET: AT BOTTOM OF FLYWHEEL HOUSING, A LEAK IS FOUND, CAUSING A FUEL ODOR, DUE TO HIGH PRESSURE PUMP TO HIGH PRESSURE LINE FITTING OR FUEL RAIL CONNECTION. 2010-2015 EXPRESS, SIERRA, SAVANA, SILVERADO. *PE
Summary: This Preliminary Information communication provides information to the technician about vehicles that have an oil leak shortly after a cold start when extremely low ambient temperatures are present. Technician will need to clean the area of
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a hard start or a no start. Technician may find Diagnostic Trouble Code DTCs P0087, P0088, P0191 or P128E. Technician will need to fo
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a hard start or a no start. Technician may find Diagnostic Trouble Code DTCs P0087, P0088, P0191 or P128E. Technician will need to fo
Summary: This Preliminary Information communication advises the technician that the 6.6L Duramax Diesel Engine Fuel Injection Pump Part numbers 12645102, 12658095 and 12661059 will be placed on a parts restriction through the General Motors Product
Summary: Brake Hydrdroboost Leaking Power Steering Fluid, this may be due to overheating (thermal set of the hydro boost seals) from lack of/insufficient cooling by the loop cooler.
Summary: This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Technician may find Diagnostic
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a rough idle and/or momentary lack of power after cold starting the engine and immediately placing the transmission in gear. Technici
Summary: This Bulletin provides guidelines for Dealers to determine whether or not they need to contact the PQC for an engine, transmission or transfer case assembly replacement and information explaining the PQC process, Global Warranty Management
Summary: This informational bulletin provides information to dealership personnel on proper engine and automatic transmission/transaxle identification.
Summary: This Preliminary Information communication provides information to the technician of an engine power reduced message on the driver information center after performing the Canada Onstar® 4G upgrade. If the concern is present park the vehicle
Summary: This informational bulletin was created for the Manual Transmission Operating Characteristics. The different noises caused by driver habit, weather conditions , and normal manual transmission noises.
Summary: This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressive
Summary: This informational bulletin provides information of suspected tampering or vehicle modifications for non-GM (Aftermarket) engine and transmission calibrations for V6 and V8 gasoline engines Using Tech 2® or global diagnostic system 2 (GDS
Summary: This informational bulletin provides information for service agents not required to contact product quality center for CNG, LPG or gasoline engine, transmission and/or transfer case.
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a ticking noise when driving above 30 miles per hour in third and fourth gear. Technician will need to replpace the Reaction Carr
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Code
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a ticking noise when driving above 30 miles per hour in third and fourth gear. Technician will need to replace the Reaction Carri
Summary: This Preliminary Information communication provides information to the technician about vehicle that has a squawk or grunt type noise when shifting from 2nd to 3rd gear. Technician should replace the 3-4 clutch Friction and Steel Clutch Pla
Summary: This warranty administration bulletin provides information on the change in automatic transmission add conditions documentation and claim submissions
Summary: This preliminary bulletin provides a procedure to remove and inspect the clutch select solenoid valve for damage, located in the valve body to correct the customers concern of reduced acceleration at low speeds and trans slip at lauch.
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a ticking noise when driving above 30 miles per hour in third and fourth gear. Technician will need to replpace the Reaction Carr
Summary: This Bulletin provides guidelines for Dealers required to contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of asse
Summary: This Bulletin provides guidelines for Dealers required to contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of asse
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN WITH THE STEPS ON DIAGNOSING AND REPAIRING VEHICLES THAT MAY HAVE UNWANTED GRADE BRAKING, REDUCED ENGINE POWER WITH NO DRIVER INFORMATION CENTER MESSAGES ¿ BR
Summary: THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON HOW TO INSPECT THE UPPER VALVE BODY TO DETERMINE THE CORRECT RPO USAGE TO CORRECT A CONCERN THAT AFTER INSTALLATION OF A REPLACEMENT UPPER VALVE BODY, THE TRANSMISSION MAY HAVE NO REVERSE
Summary: Some customers may comment that the vehicle has reduced acceleration at low speed and/or transmission is slipping from a launch. Technicians may find DTC P0751 set or stored in history. This condition may be caused by the Clutch Select S
Summary: This preliminary informational bulletin adds the 2016 model year to diagnostic tips and repair information to correct a customer concern of reduced acceleration at low speed and/or transmission slipping from a launch, DTC P0751 set.
Summary: GMC/CADILLAC/CHEVROLET: AFTER POSITIONING SHIFT LEVER INTO PARK, IT FAILS TO HOLD AND VEHICLE ROLLS WHEN BRAKE PEDAL IS RELEASED. MODEL 2013-15. ATS, CTS, ESCALADE, AVALANCHE, CAMARO, CORVETTE, EXPRESS, SILVERADO, SUBURBAN, TAHOE, SAVANA
Summary: CHEVROLET/GMC: ON INSTRUMENT PANEL, IN SOME VEHICLES, ONCE TOW/HAUL MODE IS SELECTED, WOULD ILLUMINATE BUT SHIFT CHARACTERISTICS OF TRANSMISSION FAILS TO CHANGE. MODEL 2012-14 EXPRESS, SAVANA. *PE
Summary: This preliminary bulletin provides a procedure to perform a transmission inspection and adjustment before having to replace the parking pawl actuator if the inspection found no problem.
Summary: This preliminary bulletin provides a procedure to inspect and repair the parking pawl spring in the transmission if the customer states that theres a grind or rattle noise during a left turn or bump.
Summary: This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressive
Summary: This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressive
Summary: This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressive
Summary: This Preliminary Information communication provides information to the technician about vehicle that has a squawk or grunt type noise when shifting from 2nd to 3rd gear. Technician should replace the 3-4 clutch Friction and Steel Clutch Pla
Summary: This warranty administration bulletin provides information on the change in automatic transmission add conditions documentation and claim submissions
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a ticking noise when driving above 30 miles per hour in third and fourth gear. Technician will need to replace the Reaction Carri
Summary: This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? Br
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a harsh shift or illuminated Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0716 or P0717 stored in the Tra
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a harsh shift or illuminated Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0717 stored in the Transmission
Summary: 14730 - CUSTOMER SATISFACTION PROGRAM. CERTAIN VEHICLES, EQUIPPED WITH ENGINE RPO L96 (6.0L V-8) AND TRANSMISSION RPO MYD (6 SPEED AUTO), MAY HAVE A CONDITION IN WHICH HIGH DUTY CYCLE USE WHILE PULLING TRAILERS AND/OR VEHICLES (SUCH AS FLE
Summary: CHEVROLET/GMC: DRIVELINE VIBRATIONS OR SHUDDER FEELING ARE DUE TO FRICTION MATERIAL WEAR ON FASTER TORQUE CONVERTER CLUTCH WHEN PULLING TRAILERS AND/OR VEHICLES AND EXCEED TARGET ENERGY INPUT. MODEL 2010-14 EXPRESS, SAVANA. *PE
Summary: This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressive
Summary: This informational bulletin provides a description of the proper wheel installation and proper wheel torque techniques used to install wheels onto vehicles
Summary: This preliminary informational bulletin provides diagnosis and repair information to correct a customer concern of alleged no park, vehicle rolls in park or park will not hold.
Summary: This preliminary informational bulletin provides diagnosis and repair information to correct a customer concern of alleged no park, vehicle rolls in park or park will not hold.
Summary: This warranty administration bulletin provide policy information on a revised customer concern not duplicated/verified labor operation numbers and how to submit CCND.
Summary: This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a no crank concern. Technician will need to check the valve train for movement when the engine is c
Summary: This Preliminary Information communication provides information to the technician about vehicles that have Diagnostic Trouble Code P0016 stored. Technician will need to inspect the reluctor on the crankshaft. If the reluctor has moved repla
Summary: This engineering informational bulletin is requesting information from the filed on vehicles that have the condition of the window switch inoperative or intermittent.
Summary: This technical bulletin provides a procedure to properly reprogram an onstar module to correct a condition of Red LED, No WiFi Operation, and/or Limited OnStar® Module Functionality After OnStar Module Replacement for Another Condition.
Summary: This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehic
Summary: This Preliminary Information communication a diagnostic tip if the high speed lan bus is shorted to ground, which can cause the BCM to appear off line.
Summary: This Preliminary information communicates an issue with the body harness shorting out off on the parking brake release cable causing various fuses to blow. We arecurrently looking into how and where this is happening in order to implement a
Summary: This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. A dealer or customer can access the website listed below for vehicle specific XM offerings and availabilit
Summary: This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages &ldq
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a message on the radio ?maximum number of phones are currently paired to the vehicle?. Dealer should advise the customer this is norm
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D-37 history in the Vehicle Communication Interface Module or telematics communication interface contro
Summary: This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to contact General Motors T
Summary: This preliminary bulletin provides a procedure to install adhesive back stock to the electrical connector for the steering wheel position sensor, to eleminate the excessive clearance/movement that causes the connector to loose contact and t
Summary: THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO CHECK THE CYLINDERS FOR DAMAGED PISTONS AND DETERMINE IF THE USE OF AFTERMARKET CALIBRATIONS OR PERFORMANCE PARTS MAY BE THE CAUSE.
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT THE USE OF J-35616-64B TERMINAL TEST PROBE, REPLACEMENT TERMINALS, AND TERMINATED LEADS. THE J-35616-64B IS THE LATEST TEST PROBE RELEASED FOR CHECKING
Summary: THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REMOVE THE TRANSPORT MODE ON MESSAGE DISPLAYED IN THE DIC DUE TO VEHICLES SHIPPED OVER LONG DISTANCES OUTSIDE THE U.S. AND CANADA.
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON STEPS TO PERFORM TO DETERMINE IF THE CUSTOMER'S BATTERY DRAIN CONCERN IS BEING CAUSED BY A KNOWN CONCERN WITH BLUETOOTH CALL TRANSFER OPERATION WHEN EXITING THE VEHICLE. I
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT ,WHEN TESTING ANY CIRCUIT FOR OPEN OR RESISTANCE, IT IS IMPERATIVE THAT ALL RELATED TERMINAL PIN FIT AND TENSION BE CHECKED WHEN THE TEST STEPS REQUIRE DISCONNECTION OF
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF A DEAD BATTERY AFTER LEAVING THE VEHICLE DURING A BLUETOOTH CALL.
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE THE CONCERN, AND THE STEPS TO REPAIR THE CONCERN OF THE VEHICLE CRANKS BUT DOES NOT START. THE TECHNICIAN IS TO INSPECT FOR A SHEARED CAM PIN IN THE
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO HELP THE DEALERSHIP TECHNICIANS PERFORM A PARASITIC DRAIN TEST FOR THE ONSTAR MODULE. WHEN PERFORMING BATTERY PARASITIC DRAIN TEST, THERE MAY BE SOME CONFUSION AS TO WHAT TH
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO HELP THE DEALERSHIP TECHNICIANS PERFORM A PARASITIC DRAIN TEST FOR THE ONSTAR MODULE. WHEN PERFORMING BATTERY PARASITIC DRAIN TEST, THERE MAY BE SOME CONFUSION AS TO WHAT TH
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON DIAGNOSING THE CONCERN. VEHICLE'S SUNROOF OPERATION INTERMITTENT, BIND, NOISE, AUTO-REVERSE, AND/OR WATER LEAKS.
Summary: This preliminary informational bulletin provides information on GM Accessory Remote start not working with onstars remotelink phone applications
Summary: This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? Br
Summary: This Preliminary Information communication provides information to the technician about the operation and diagnostics of the Regular Production Option Code UJ1 brake warning pressure warning system. The technician can test the operation of
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone cont
Summary: This informational bulletin provides information that may be useful in diagnosing/testing batteries that have set for a long period of time and/or set in cold weather climates to correct a customer concern of symptoms that include, but not
Summary: This Preliminary Information communication provides information to the technician about vehicles that the incoming caller ID may no longer be available or displayed after the Canada OnStar upgrade. Dealer should communicate to the customer
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will check Global Warranty Ma
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will use Global Diagnostic Sy
Summary: This Preliminary Information communication provides information to the technician about customers that may complain of various concerns when using Bluetooth components. Technician should use the Preliminary Information to gather information
Summary: This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC P21
Summary: This Preliminary Information communication provides information to the technician about being unable to receive OnStar ?Over The Air? updates. Technician will need to press the OnStar button and verify they have an active account and that t
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have the OnStar wireless fidelity inoperative. Technician will need to contact General Motors Technical Assistance Center with a scan
Summary: This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Tech
Summary: This informational bulletin provides information for installing a diode to solenoid/relay to suppress voltage spikes in conjuction with installation of electrical aftermarket accessories-battery, ignition and ground feeds-(do not splice int
Summary: This informational bulletin provides information on dealer reimbursement procedures for Customer Assistance Center (CAC) Tier 1 and Tier 2 empowerment tools: diagnostic fee, short term rental, and up-front towing (U.S. only).
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THE STEPS NEEDED TO DIAGNOSE AND REPAIR THE VEHICLES THAT MAY HAVE UNWANTED OR PHANTOM PHONE CALLS. TECHNICIAN WILL NEED TO DETERMINE WHAT TYPE OF CALL THE CU
Summary: This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will need to call General Mot
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D-37 history in the Vehicle Communication Interface Module or telematics communication interface contro
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a "Service Charging System" message displayed on the Driver Information Center or low voltage reading on the volt gauge during th
Summary: This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to sen
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Code P0420, P24A0 and or P2463. Technician should follow pu
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a hard start, no start, rough running, or low fuel pressure. Technician may find Diagnostic Trouble Codes P0087, P0088, P0191 and
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a "Service Charging System" message displayed on the Driver Information Center or low voltage reading on the volt gauge during th
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have "Service Charging System" message displayed on the DIC and/or a low voltage reading on the volt gauge during the first several mi
Summary: This Preliminary Information communication provides information to the technician about vehicles with a "Service Charging System" message displayed on the Driver Information Center and/or a low voltage reading on the volt gauge during the f
Summary: GENERAL MOTORS: DUE TO LOOSE GROUND TERMINAL CONNECTIONS, IN SOME VEHICLES AND TRUCKS EXPERIENCE, ACCESSORIES MALFUNCTIONS, DIC MESSAGES, IPC WARNING INDICATORS, SES LIGHT ON. *PE
Summary: This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehic
Summary: This Preliminary Information communication provides information to the technician about vehicles proper operation of the stop and/or turn signals. For vehicles without Regular Production Option Code V4D circuit 618 is for the left stop and
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a frequent "off route" messages while following Turn by Turn route. Technicians will need to remove power from the Vehicle Communicat
Summary: This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehic
Summary: This Preliminary Information communication advises the technician that when replacing the camshaft part number 12626660. Technician will need to ensure that the date code and the finish of the camshaft. If the cam is discolored or has chatt
Summary: This Preliminary Information communication provides information to the technician about vehicles with a "Service Charging System" message displayed on the Driver Information Center and/or a low voltage reading on the volt gauge during the f
Summary: This Preliminary Information communication provides information to the technician about vehicles that have an aftermarket, add-on back up alarm will sound when unlocking the doors with the Remote Keyless Entry remote. Technician can correct
Summary: This Preliminary Information communication advises the technician about key and theft information for Fleet Vehicles equipped with RPO 6E2 or 6E8 and converting to fleet mode. Technician will need to ensure fleet vehicles with RPO 6E2 or 6E
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D-37 history in the Vehicle Communication Interface Module or telematics communication interface contro
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will need to call General Mot
Summary: This Preliminary Information communication provides information to the technician with the installation of Cruise Control on a vehicle which did not come equipped with the option. Technician will need to contact the Techline Customer Suppor
Summary: This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehic
Summary: This Preliminary Information communication advises the technician that vehicles with engine Regular Production Option Code LGH or LML may have an Exhaust Fluid Quality Poor message displayed on the Driver Information Center. Technician will
Summary: This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General Motor
Summary: This warranty administration bulletin provide policy information on a revised customer concern not duplicated/verified labor operation numbers and how to submit CCND.
Summary: This Preliminary Information communication provides information to the technician about vehicles that the OnStar system will not connect. Technician should record module info per the latest version of PIC4310 and contact General Motors Tech
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Code
Summary: This Preliminary Information communication advises the technician that the Duramax Diesel Engine Control Module Part numbers 12648344 and 12654088 will be placed on a parts restriction through the General Motors Product Quality Center. Deal
Summary: GENERAL MOTORS: ON SOME TRUCKS AND PASSENGER VEHICLES, ACCESSORY POWER OUTLETS (APO) AND TRAILER LIGHTING ARE COMMON ACCESSED ELECTRICAL SYSTEMS THAT ARE AFFECTED BY DEVICES THAT ARE PLUGGED IN AND BECOME INOPERATIVE DUE TO AN OPEN FUSE AN
Summary: This informational bulletin provides information accessory power outlet and trailer lighting fuse replacement due to electrical systems that can be affected by devices that are plugged in by the customer.
Summary: This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehic
Summary: This Preliminary Information communication provides information to the technician about vehicles that have intermittent Diagnostic Trouble Code P0340. Technician will replace the cam position sensor if the vehicle build is Sept or Oct of 20
Summary: This Preliminary Information communication advises the technician that, when testing any circuit for open or resistance, it is imperative that all related terminal pin fit and tension be checked when the test steps require disconnection of
Summary: This Preliminary Information communication provides information to the technician about vehicles that have Service Engine Soon Malfunction Indicator Lamp and the engine misfires. Technician may find Diagnostic Trouble Codes P0300, P0301, P0
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D-37 history in the Vehicle Communication Interface Module or telematics communication interface contro
Summary: This Preliminary Information communication provides information to the technician with additional vehicle speed sensor diagnostic information. Technician may encounter multiple issues when diagnosing a Vehicle Speed Sensor. Technician will
Summary: This Preliminary Information communication provides information to the technician about vehicles that during battery parasitic drain test, there may be some confusion as to what the normal power consumption reading should be from the OnStar
Summary: THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A PROCEDURE TO PERFORM AN AIR LEAK INSPECTION TO CORRECT A CUSTOMER CONCERN ON AN ILLUMINATED MALFUNCTION INDICATOR LAMP (MIL), AND A REDUCED ENGINE POWER MESSAGE DISPLAYED DUE TO THE ENGINE
Summary: THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A LIST OF CORRECTIONS FOR MULTIPLE CONCERNS REGARDING UNEXPECTED LOSS OF RADIO AUDIO (RADIO GOES SILENT/NO SOUND) AND OTHER BLACKBERRY PHONE - BLUETOOTH ISSUES
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF A DEAD BATTERY AFTER LEAVING THE VEHICLE DURING A BLUETOOTH CALL.
Summary: THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION THAT MAY BE USEFUL ON DIAGNOSING BATTERIES THAT HAVE SET FOR A LONG PERIOD OF TIME AND/OR SET IN COLD WEATHER CLIMATES AND TESTING THOSE BATTERIES.
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO HELP THE DEALERSHIP TECHNICIANS PERFORM A PARASITIC DRAIN TEST FOR THE ONSTAR MODULE. WHEN PERFORMING BATTERY PARASITIC DRAIN TEST, THERE MAY BE SOME CONFUSION AS TO WHAT TH
Summary: THIS WARRANTY ADMINISTRATION BULLETIN PROVIDE POLICY INFORMATION ON USING THE EL-50313 MIDTRONICS GR8 BATTERY TESTER/CHARGER FOR DIAGNOSING BATTERY REPLACEMENTS AND MAINTAINING BATTERIES ON NEW VEHICLES IN DEALER INVENTORY.
Summary: This informational bulletin provides information to dealership personnel regarding original equipment battery part numbers and AC Delco replacement battery approved warranty part numbers.
Summary: This informational bulletin provides information for installing a diode to solenoid/relay to suppress voltage spikes in conjuction with installation of electrical aftermarket accessories-battery, ignition and ground feeds-(do not splice int
Summary: THIS PRELIMINARY BULLETIN PROVIDES INFORMATION TO INSPECT THE BATTERY FOR PROPER GROUNDING TO THE FRAME AND ENGINE IF THE CUSTOMER BRINGS THE VEHICLE IN FOR ERRATIC SHIFTING AND MIL ON.
Summary: This preliminary Informational bulletin provides information on Battery Test Cold Cranking Amperage (CCA) for Original Equipment Batteries and Testing Tips.
Summary: This preliminary informational bulletin provides a diagnostic tip for low line pressure or pressure regulator valve stuck after transmission service pump cover replacement.
Summary: This informational bulletin provides information on vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak and that this is considered a normal conditon and no repairs are necessary
Summary: This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressive
Summary: This preliminary bulletin provides a procedure to remove and inspect the clutch select solenoid valve for damage, located in the valve body to correct the customers concern of reduced acceleration at low speeds and trans slip at lauch.
Summary: This technical bulletin provides a procedure to repair a possible wiring harness repair if damaged by the parking bark, brake booster mount or brake pedal bolt.
Summary: This warranty administration bulletin adds the 2016 model year to a communication which provides dealership personnel revised wiring repair labor operations and required additional information.
Summary: GENERAL MOTORS: ON SOME TRUCKS AND PASSENGER VEHICLES, ACCESSORY POWER OUTLETS (APO) AND TRAILER LIGHTING ARE COMMON ACCESSED ELECTRICAL SYSTEMS THAT ARE AFFECTED BY DEVICES THAT ARE PLUGGED IN AND BECOME INOPERATIVE DUE TO AN OPEN FUSE AN
Summary: This preliminary informational bulletin adds the 2015 model year to repair information on correcting a customer concern of poor, limited, reduced Remote Keyless Entry (RKE) or Remote Vehicle Start (RVS) range.
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a rough idle and/or momentary lack of power after cold starting the engine and immediately placing the transmission in gear. Technici
Summary: This Preliminary Information communication advises the technician about key and theft information for Fleet Vehicles equipped with RPO 6E2 or 6E8 and converting to fleet mode. Technician will need to ensure fleet vehicles with RPO 6E2 or 6E
Summary: This Preliminary Information communication provides information to the technician about the operation and diagnostics of the Regular Production Option Code UJ1 brake warning pressure warning system. The technician can test the operation of
Summary: This Preliminary Information communication provides information to the technician about vehicle's odometer appears to be inaccurate relative to a known distance traveled. Technician should obtain a hand-held GPS unit to test the odomete
Summary: This informational bulletin provides information on If the radar does not see any vehicles, structures, or objects for 15-25 minutes of driving, the system may think its blocked and display the ?Side Object Detection System Disabled? messag
Summary: This informational bulletin provides Information on Inappropriate Warranty Claims Submitted for Damaged Radios and Instrument Panel Clusters (IPCs)
Summary: CADILLAC/CHEVROLET/GMC: ON SOME VEHICLES AND/OR TRUCKS, INSTRUMENT CLUSTER WILL ILLUMINATE, AFTER AN OIL CHANGE, INDICATING LOW OIL PRESSURE AND/OR SES LAMP WILL ILLUMINATE. MODEL 2007-13 CANYON, SIERRA, SAVANA, YUKON, CTS-V, ESCALADE, AV
Summary: This Preliminary Information communication provides information to the technician that after replacing the Instrument Panel Cluster the exchange center is unable to program the actual mileage on the odometer or the actual mileage is unknown
Summary: This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2 9U.S. and Canada
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D-37 history in the Vehicle Communication Interface Module or telematics communication interface contro
Summary: This Preliminary Information communication provides information to the technician on the programming and activation of the OnStar system. For many 2008 and prior model year GM vehicles, the programming is performed using the Tech 2 and the
Summary: This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Tech
Summary: This Preliminary Information communication provides information to help the dealership technicians perform a parasitic drain test for the OnStar module. When performing battery parasitic drain test, there may be some confusion as to what th
Summary: This informational bulletin provides explanation on how to take snapshot data with a Tech 2 and upload it to a computer and where to email the info to.
Summary: This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and
Summary: This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have an OnStar Turn-By-Turn Navigation the system that is inoperative. Technician verifies there are no Diagno
Summary: This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair the vehicles that may have unwanted or phantom phone calls. Technician will need to determine what type of call the cu
Summary: This Preliminary Information communication provides information to the technician on the programming and activation of the OnStar system. For many 2008 and prior model year GM vehicles, the programming is performed using the Tech 2 and the
Summary: This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to sen
Summary: This informational bulletin provides information on OnStar® VCIM is currently restricted parts. By working closely with our dealers and technicians, through the part restriction process, the General Motors team will gain a better understand
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will need to ensure campaigns
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Code
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will use Global Diagnostic Sy
Summary: This informational bulletin provides information on identifying non-GM (aftermarket) engine calibrations for gasoline engines using Tech 2 or GDS 2.
Summary: 15801A - Customer Satisfaction Program. This bulletin is being revised to add a note at the beginning of the Service Information section. The 2016 model year GMC Sierra HD vehicle, and an increase in population has also been added. Vehicle
Summary: 15801 - Customer Satisfaction Program. (2012 model year repair suspended) Vehicles equipped with Duramax Diesel Engine (RPO LGH or LML) and Ambulance Upfitter or Fire Truck Upfitter (RPO YF2 or ANM), may have a condition in which the emissi
Summary: CONDITION Certain 2010-2016 model year Chevrolet Express, GMC Savana, 2011-2013 model year Chevrolet Silverado HD, 2015-2016 model year Chevrolet Silverado HD, 2011-2012 model year GMC Sierra HD, 2015 model year GMC Sierra HD vehicles
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will check Global Warranty Ma
Summary: This technical bulletin provides a procedure to update your apple product to the latest software version to correct a condition of infotainment system will not return to media after bluetooth call ends
Summary: This preliminary informational bulletin adds the 2014 - 2016 model years to cleaning information to correct a customer concern of seeing a white film/residue on the IP pad and/or door trim panels.
Summary: This Preliminary Information communication provides information to the technician about a connectivity concern with Bluetooth after phone software is updated or after any vehicle updates for the radio or Human Machine Interface has taken pl
Summary: This preliminary informational bulletin provides repair information for transmission control module reprogramming to correct a customer concern of Tow/Haul mode inoperative.
Summary: This informational bulletin communicates Information to technicians on control module Diagnostic Trouble Code(s) (DTC)(s) P0601, P0602, P0603, P0604, P0606, P062F, P06F3, P1621 which can be shared in multiple modules.
Summary: This informational bulletin was created to help technician identify non GM calibrations for the gasoline engines and the damages that may be caused by aftermarket calibrations
Summary: This informational bulletin was created to help technician identify non GM calibrations for the gasoline engines and the damages that may be caused by aftermarket calibrations
Summary: This Preliminary Information communication provides information to the technician about vehicles that are travelling from Canada to the United States. While in the United States they are unable to receive Turn-by-Turn directions. Due to the
Summary: This Preliminary Information communication provides information to the technician about vehicles that the retained accessory power in inoperative. Dealer should advise the customer if the vehicle is not equipped with a radio the retained ac
Summary: This Preliminary Information communication provides information to the technician about a customer?s request to install OnStar Bluetooth. Dealer should be advised at this time, there are no provisions to add this option to vehicles that wer
Summary: This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have an OnStar Turn-By-Turn Navigation the system that is inoperative. Technician verifies there are no Diagno
Summary: This Preliminary Information communication provides information to the technician about vehicles that have the OnStar system does not respond properly to some numbers and/or voice commands. Dealer should direct the customer to review the op
Summary: This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehic
Summary: This Preliminary Information communication advises the technician that when replacing the camshaft part number 12626660. Technician will need to ensure that the date code and the finish of the camshaft. If the cam is discolored or has chatt
Summary: This preliminary bulletin provides information on Service Programming System (SPS) Errors (E4398, E4399, E4403, E4404, E4413, E4414, E4423 or E4491).
Summary: 13102 - Emission Recall - IMPCO Automotive Recall (Not a GM recall - Administering recall for IMPCO). Vehicles were built with an incorrect ECM calibration that, under some conditions, may cause higher tailpipe exhaust emissions than allowe
Summary: This Preliminary Information communication provides information to the technician that customers may inquire as to the availability of OnStar bluetooth on their vehicle. Technician should be advised that Vehicles with Regular Production Opt
Summary: This informational bulletin provides information on part restriction and ordering process information for onstar vehicle communication interface modules.
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN WITH THE STEPS ON DIAGNOSING AND REPAIRING VEHICLES THAT MAY HAVE UNWANTED GRADE BRAKING, REDUCED ENGINE POWER WITH NO DRIVER INFORMATION CENTER MESSAGES ¿ BR
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Code
Summary: This Preliminary Information communication provides information to the technician about vehicles that have Service Engine Soon Malfunction Indicator Lamp and the engine misfires. Technician may find Diagnostic Trouble Codes P0300, P0301, P0
Summary: THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON EXTERIOR LIGHTING COMPONENTS THAT HAVE BEEN TINTED OR SMOKED BY AN OUTSIDE VENDOR AND GENERAL MOTORS POSITION ON ALTERING THESE COMPONENTS.
Summary: This informational bulletin provides an out line on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage and what should be considered warranty replacement and not
Summary: This technical bulletin provides repair information for low beam headlamp bulb diagnosis/replacement to correct a customer concern that the low beam headlamp is inoperative.
Summary: This Preliminary Information communication provides information to the technician about vehicles proper operation of the stop and/or turn signals. For vehicles without Regular Production Option Code V4D circuit 618 is for the left stop and
Summary: This informational bulletin provides an out line on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage and what should be considered warranty replacement and not
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES PROPER OPERATION OF THE STOP AND/OR TURN SIGNALS. FOR VEHICLES WITHOUT REGULAR PRODUCTION OPTION CODE V4D CIRCUIT 618 IS FOR THE LEFT STOP AND
Summary: This informational bulletin provides an out line on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage and what should be considered warranty replacement and not
Summary: This Preliminary Information communication provides information to the technician about vehicles proper operation of the stop and/or turn signals. For vehicles without Regular Production Option Code V4D circuit 618 is for the left stop and
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES PROPER OPERATION OF THE STOP AND/OR TURN SIGNALS. FOR VEHICLES WITHOUT REGULAR PRODUCTION OPTION CODE V4D CIRCUIT 618 IS FOR THE LEFT STOP AND
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON DIAGNOSING THE CONCERN. VEHICLE'S SUNROOF OPERATION INTERMITTENT, BIND, NOISE, AUTO-REVERSE, AND/OR WATER LEAKS.
Summary: This preliminary bulletin explains the marks in the glass are normal when wearing polarized sunglasses and do not replace any glass for this reason.
Summary: This Preliminary Information communication provides information to the technician about the percentage of UV protection or tint offered by the windshield or side glass. Technician should be advised Windshield reduces UV rays down to 4% or l
Summary: This Preliminary Information communication provides information to the technician about the percentage of Ultraviolet protection or tint offered by the windshield or side glass. Technician should be advised Windshield reduces Ultraviolet ra
Summary: THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON A NORMAL CONDITION ON TEMPERED GLASS OF SPOTS SHOWING ON THE REAR AND SIDE WINDOWS WHEN THE VEHICLE IS IN THE SUNLIGHT.
Summary: GENERAL MOTORS: THE WINDOWS, FRONT AND REAR, WOULD BIND, POOR FIT, MISALIGNMENT, MAKES RATTLE OR SQUEAKING NOISES, MOVES SLOWLY AND IS INOPERATIVE. MODEL 2008-2014 VEHICLES AND TRUCKS. *PE
Summary: This Preliminary Information communication provides information to the technician about the percentage of Ultraviolet protection or tint offered by the windshield or side glass. Technician should be advised Windshield reduces Ultraviolet ra
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON DIAGNOSING THE CONCERN. VEHICLE'S SUNROOF OPERATION INTERMITTENT, BIND, NOISE, AUTO-REVERSE, AND/OR WATER LEAKS.
Summary: This preliminary bulletin provides a procedure on how to reset the power folding mirriors after they been folded manually, to fix the customers concern of the mirriors shaking or fluttering at normal driving speeds.
Summary: THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A PROCEDURE FOR RELEARNING THE POWER FOLDING MIRRIORS AND ROAD TESTIN TO VERIFY THEY CORRECT A CONDTION OF THE POWER FOLDING MIRRIORS GLASS SHAKES, FLUTTERS AT NORMAL DRIVING CONDITIONS.
Summary: This preliminary informational bulletin provides a procedure for relearning the power folding mirriors and road testin to verify they correct a condtion of the power folding mirriors glass shakes, flutters at normal driving conditions.
Summary: This technical bulletin provides a procedure to relearn the power folding mirriors and road test to correct a conditon of power fold away mirriors glass shakes or flutters at normal driving speeds
Summary: This informational bulletin provides Information on Passenger Presence Sensing System (PPS or PSS) Concerns with Custom Upholstery, Accessory Seat Heaters or Other Comfort Enhancing Devices
Summary: THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A PROCEDURE TO REPOSITION THE FRONT SEAT BELT LATCH PLATE FOR CONCERNS REGARDING THE SEAT BELT WEBBING OR LATCH PLATE COMING TWISTED.
Summary: This informational bulletin provides information to advise dealers about seat belt buckles not operating and/or seat belt warning light illumination, as well as difficulty latching and unlatching the buckle or the buckle release button stic
Summary: This informational bulletin provides information to advise dealers about seat belt buckles not operating and/or seat belt warning light illumination, as well as difficulty latching and unlatching the buckle or the buckle release button stic
Summary: This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
Summary: This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
Summary: This informational bulletin provides information on the PQC assembly replacement process - for dealers required to contact PQC prior to replacing an assembly (U.S. and Canada only).
Summary: THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A PROCEDURE FOR RELEARNING THE POWER FOLDING MIRRIORS AND ROAD TESTIN TO VERIFY THEY CORRECT A CONDTION OF THE POWER FOLDING MIRRIORS GLASS SHAKES, FLUTTERS AT NORMAL DRIVING CONDITIONS.
Summary: THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A PROCEDURE ON HOW TO CLEAN OVERSPRAY FROM CHORME BUMPERS FOR CONCERNS RELATED TO AN APPERANCE OF DISCOLORATION OR CORROSION NEAR EDGES/OPENINGS OF CHROME BUMPERS
Summary: This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Di
Summary: This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
Summary: THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES INFORMATION THAT MAY BE HELPFUL WHEN ADDRESSING UNDERBODY COMPONENT CORROSION WITH CUSTOMERS.
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON DIAGNOSING THE CONCERN. VEHICLE'S SUNROOF OPERATION INTERMITTENT, BIND, NOISE, AUTO-REVERSE, AND/OR WATER LEAKS.
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a click, clunk, pop type noise coming from the front end. Technician will need to align the bumper.
Summary: This preliminary informational bulletin provides a procedure on how to clean overspray from chorme bumpers for concerns related to an apperance of discoloration or corrosion near edges/openings of chrome bumpers
Summary: GENERAL MOTORS: THE WINDOWS, FRONT AND REAR, WOULD BIND, POOR FIT, MISALIGNMENT, MAKES RATTLE OR SQUEAKING NOISES, MOVES SLOWLY AND IS INOPERATIVE. MODEL 2008-2014 VEHICLES AND TRUCKS. *PE
Summary: This preliminary bulletin provides a procedure on how to repair the customers concern of a sagging roof by removing the anti-flutter material and reapplying foam.
Summary: This preliminary bulletin provides a procedure on how to repair the customers concern of a sagging roof by removing the anti-flutter material and reapplying foam.
Summary: GM: THE OUTSIDE DOOR HANDLE MAY BE INOPERATIVE. THE LOCK MAY HAVE BECOME OR DISENGAGED FROM THE CLIPS IN THE FRONT SIDE DOOR LOCK/LATCH. THE LOCK ROD CLIPS MUST BE REPLACED. *JS
Summary: This Preliminary Information communication provides information to the technician with the installation of Cruise Control on a vehicle which did not come equipped with the option. Technician will need to contact the Techline Customer Suppor
Summary: This Preliminary Information communication provides information to the technician with the installation of Cruise Control on a vehicle which did not come equipped with the option. Technician will need to contact the Techline Customer Suppor
Summary: This technical bulletin provides a procedure on how to clean and resurface wheel bead seats. for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat
Summary: This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (Base Warranty Coverage). For vehic
Summary: This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty.
Summary: This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty.
Summary: This GM of Canada New Vehicle Tire Warranty Program and GWM Transaction Submission Information Bulletin provides information for the new tires that the vehicle are equipped with and that they are covered by General Motors against defects in
Summary: THIS PRELIMINARY INFORMATION BULLETIN PROVIDES A PROCEDURE TO REPLACE BOTH FRONT SUSPENSION SPRINGS TO CORRECT A CUSTOMER CONCERN THAT THE FRONT SUSPENSION IS TOO LOW AND/OR THERE IS EXCESSIVE FRONT TIRE WEAR.
Summary: This informational bulletin provides information on the proper mounting paste to apply to tires when mounting and balancing them to prevent conditions like Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire
Summary: This informational bulletin provides additional information to the technician on how to check for Tire Radial Force Variations and the difference between balancing a flange and flangeless rim.
Summary: This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the suppo
Summary: This informational bulletin communicates comprehensive instructions to GM Dealers and authorized GM Accessory Distributor/Installers as to the proper methods for mounting, balancing, and installing accessory wheels and tires.
Summary: This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed fo
Summary: This informational bulletin provides technicians with ways to decrease the tire slipping on the rim and reduce to possible chances of the customers concerns over tire vibration are repair.
Summary: This warranty administration bulletin provide policy information on GM of Canada New Vehicle Limited Warranty Tire Program and Global Warranty Management (GWM) Submission Information.
Summary: This warranty administration bulletin provide policy information new tire warranty program and global warranty management submission information.
Summary: This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed fo
Summary: This informational bulletin provides additional information to the technician on how to check for Tire Radial Force Variations and the difference between balancing a flange and flangeless rim.
Summary: This informational bulletin provides additional information to the technician on how to check for Tire Radial Force Variations and the difference between balancing a flange and flangeless rim.
Summary: This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed fo
Summary: This informational bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels.
Summary: This informational bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening or re-machining. Only cosmetic refinishing of the wheel's coatings, us
Summary: This informational bulletin provides information on chemical staining, pitting, and corrosion on wheels and the proper cleaners to use to fix the conditions due to multiple causes.
Summary: This informational bulletin provides information on the proper mounting paste to apply to tires when mounting and balancing them to prevent conditions like Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire
Summary: This warranty administration bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment.
Summary: This informational bulletin communicates comprehensive instructions to GM Dealers and authorized GM Accessory Distributor/Installers as to the proper methods for mounting, balancing, and installing accessory wheels and tires.
Summary: This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed fo
Summary: This preliminary information bulletin provides information on how to remove stainless steel wheel nut caps with the matching depth of socket used on the wheel nut.
Summary: This informational bulletin provides information on the appearance of chromed aluminum wheels due to chemical staining, pitting corrosion and/or spotted.
Summary: This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed fo
Summary: This informational bulletin provides additional information to the technician on how to check for Tire Radial Force Variations and the difference between balancing a flange and flangeless rim.
Summary: This informational bulletin provides Information on Passenger Presence Sensing System (PPS or PSS) Concerns with Custom Upholstery, Accessory Seat Heaters or Other Comfort Enhancing Devices
Summary: This informational bulletin provides Information on Passenger Presence Sensing System (PPS or PSS) Concerns with Custom Upholstery, Accessory Seat Heaters or Other Comfort Enhancing Devices
Summary: This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is
Summary: This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a no crank concern. Technician will need to check the valve train for movement when the engine is c
Summary: This Preliminary Information communication provides information to the technician about the rear view camera options on the vehicles equipped with rear view camera. The rear view camera brightness can be adjusted on some models while the tr
Summary: This Preliminary Information communication provides information to the technician about vehicles that have an oil leak shortly after a cold start when extremely low ambient temperatures are present. Technician will need to clean the area of
Summary: This Preliminary Information communication provides information to the technician about the retained accessory power on vehicles with Radio Provisions Only Regular Production Option Code (UXZ). If the vehicle is equipped with radio provisio
Summary: This informational bulletin provides information for use on a Product Assistance Claim (PAC), which is formally known as a Product Allegation Resolution (PAR) claim.
Summary: This informational bulletin provides information to dealership personnel on policies regarding a Product Assistance Claim (PAC) within the Courtesy Transportation Assistance Program.
Summary: This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related component
Summary: This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only).
Summary: This informational bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered seepage.
Summary: This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. A dealer or customer can access the website listed below for vehicle specific XM offerings and availabilit
Summary: This Preliminary information communicatesIn ambient temperatures 100F (37.7 C)degrees or higher, DTCs P2635 and/or P018B may set.The vehicle may also exhibit a hesitation or stalling condition.Excessively Hot and sustained ambient temperatu
Summary: This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up.
Summary: This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Di
Summary: 44180 01 - Customer Satisfaction - Certain vehicles may have key codes which were inappropriately handled by a third party which could increase the risk of vehicle theft. Dealers are to replace all applicable keys and lock cylinders with ne
Summary: 16098 CWNFA Customer Advisory Letter. The letter is to reinforce the need to annually inspect the aft to aft tank flex line and the midship to aft tank flex line. Over time, a leak may occur by exposure to environmental elements and their c
Summary: THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON GM DOES NOT APPROVE THE USE OF ¿CLIPPING¿ TO REPAIR COLLISION DAMAGE TO VEHICLES. GM HAS NOT TESTED OR VALIDATED A ¿CLIPPED VEHICLE¿ REPAIR; THEREFORE, GM CANNOT ENDORSE THIS TYPE OF REPAI
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT A NOISE OR A VIBRATION IN THE VEHICLE THAT SEEMS TO BE ABNORMAL MAY NOT HAVE BEEN THERE WHEN THE VEHICLE WAS PURCHASED. TECHNICIAN SHOULD LOOK FOR NON - GENERAL MOTORS A
Summary: This warranty administration bulletin provides information on GM?s policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada.
Summary: THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON HOW TO INSPECT THE UPPER VALVE BODY TO DETERMINE THE CORRECT RPO USAGE TO CORRECT A CONCERN THAT AFTER INSTALLATION OF A REPLACEMENT UPPER VALVE BODY, THE TRANSMISSION MAY HAVE NO REVERSE
Summary: THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES INFORMATION THAT MAY BE HELPFUL WHEN ADDRESSING UNDERBODY COMPONENT CORROSION WITH CUSTOMERS.
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON DIAGNOSING THE CONCERN. VEHICLE'S SUNROOF OPERATION INTERMITTENT, BIND, NOISE, AUTO-REVERSE, AND/OR WATER LEAKS.
Summary: This technical bulletin provides a procedure to replace the rear leaf spring shackle to correct a condition of a noise from the rear leaf sprin under acceleration and high loads due to the rear leaf spring shackle coming into contact with o
Summary: This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared Message Displayed on DIC, DTC P2463 May Be Set
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT FINDING NEEDLE BEARINGS DURING AN OIL CHANGE. TECHNICIAN WILL GAIN ACCESS TO THE ROLLER ROCKERS TO INSPECT THEM. ONLY REPLACE THE ROLLER ROCKER THAT IS
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON VEHICLES THAT MAY HAVE AN INTERMITTENT HIGH IDLE. IF A TECHNICIAN HAS DUPLICATED, OR THE CUSTOMER DESCRIPTION ALIGNS WITH THE SPEEDS MENTIONED IN THE IDLE
Summary: This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. A dealer or customer can access the website listed below for vehicle specific XM offerings and availabilit
Summary: This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the suppo
Summary: This preliminary informational bulletin provides repair information to correct a customer concern of Iitermittently key will not rotate in door or ignition lock cylinder.
Summary: This warranty administration bulletin provides retail and wholesale service personnel with the policies and the warranty claims submission procedures that support Labor Operation 0600014 ? Suspected Tampering or Vehicle Modifications.
Summary: This informational bulletin provides dealership personnel information on unscheduled supplemental services (including flushing services and additives) and proper use of GM simplified maintenance schedules (Canada only).
Summary: This informational bulletin provides information on the PQC assembly replacement process - for dealers required to contact PQC prior to replacing an assembly (U.S. and Canada only).
Summary: GENERAL MOTORS: 2007-2013 CADILLAC ESCALADE, ESCALADE HYBRID, CHEVROLET AVALANCHE, EXPRESS,SILVERADO, SILVERADO HYBRID, SUBURBAN TAHOE, TAHOE HYBRID. INFORMATION REGARDING SES LAMP WITH CAMSHAFT ACTUATOR CODES AFTER SI DIAGNOSIS HAVE BEEN
Summary: 14745 - SPECIAL COVERAGE. CERTAIN 2010-2014 MODEL YEAR CHEVROLET EXPRESS AND GMC SAVANA MODEL VEHICLES, EQUIPPED WITH A 6.0L FLEXIBLE FUEL ENGINE (RPO L96) AND 6-SPEED AUTOMATIC TRANSMISSION (RPO MYD), MAY HAVE A CONDITION IN WHICH HIGH DUT
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE DIESEL OXIDATION CONVERTER PART RESTRICTION HAS ENDED. DEALER CAN NOW ORDER THE PARTS THROUGH THE REGULAR CUSTOMER CARE AND AFTERSALES PARTS PROCESS.
Summary: This Preliminary Information communication provides information to the technician about the retained accessory power on vehicles with Radio Provisions Only Regular Production Option Code (UXZ). If the vehicle is equipped with radio provisio
Summary: 14096C - EMISSIONS RECALL (REVISED CALIBRATION IS NOW AVAILABLE). GENERAL MOTORS HAS DECIDED TO CONDUCT A VOLUNTARY EMISSION RECALL INVOLVING CERTAIN VEHICLES EQUIPPED WITH A GASOLINE OR LIQUEFIED PETROLEUM GAS (LPG) ENGINE. THE OXYGEN (O2
Summary: 14151 - CUSTOMER SATISFACTION (MESSAGE ONLY, VIN LIST WAS NOT ATTACHED TO THE PREVIOUS MESSAGE). THIS MESSAGE IS TO ALERT DEALERS THAT GENERAL MOTORS HAS BECOME AWARE THAT SOME CUSTOMERS MAY BE OVERFILLING THEIR COMPRESSED NATURAL GAS (CNG)
Summary: 14151 - CUSTOMER SATISFACTION (MESSAGE ONLY WITH LETTER). THIS MESSAGE IS TO ALERT DEALERS THAT GENERAL MOTORS HAS BECOME AWARE THAT SOME CUSTOMERS MAY BE OVERFILLING THEIR COMPRESSED NATURAL GAS (CNG) TANKS IN COLD WEATHER BY ADDING CNG B
Summary: This information for Warranty administration - Changes the Service Policy and Procedures Section 1.6.2.11 and list the requirements for the dealer to comply.
Summary: This Preliminary Information communication provides information to the technician about vehicles that may not receiving all channels on the XM band. Technician will need to use a scan tool and verify current Digital Radio Receiver Status un
Summary: This Preliminary Information communication provides information to the technician on the programming and activation of the OnStar system. For many 2008 and prior model year GM vehicles, the programming is performed using the Tech 2 and the
Summary: This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehic
Summary: This Preliminary Information communication provides information to the technician about installing General Motors Accessory pats. Technician can check Service Information for some accessories. Technician can also contact Partect for assista
Summary: This Preliminary Information communication advises the technician that a noise or a vibration in the vehicle that seems to be abnormal may not have been there when the vehicle was purchased. Technician should look for Non - General Motors a
Summary: This Preliminary Information communication provides information to the technician about installing General Motors Accessory pats. Technician can check Service Information for some accessories. Technician can also contact Partech for assista
Summary: This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the suppo
Summary: This Preliminary Information communication provides information to the technician that after replacing the Instrument Panel Cluster the exchange center is unable to program the actual mileage on the odometer or the actual mileage is unknown
Summary: This Preliminary Information communication provides information to the technician about vehicles that have an intermittent Diagnostic Trouble Code P0340. Technician will need to replace the cam position sensor to correct this Diagnostic Tro
Summary: This Preliminary Information communication advises the technician that a noise or a vibration in the vehicle that seems to be abnormal may not have been there when the vehicle was purchased. Technician should look for Non - General Motors a
Summary: This informational bulletin provides a step by step procedure on how to properly use the GM chemicals to eliminate unwanted odors in vehicles and which products to use for each application.
Summary: This informational bulletin provides a step by step procedure on how to properly use the GM chemicals to eliminate unwanted odors in vehicles and which products to use for each application.
Summary: This warranty administration bulletin provides information regarding customer concerns not duplicated and which labor operations to claim when the concern cannot be duplicated. Also provides information on how to submit claims within the gl
Summary: This informational bulletin provides information and rules for GM keycode look up applicationa dn the key code security rules and regulations for Canada only.
Summary: This informational bulletin provides a list of newly released PI and Bulletins in regards to recent released vehicles so that vehicles can be fixed right the first time in for service.
Summary: This informational bulletin provides a list of newly released PI and Bulletins in regards to recent released vehicles so that vehicles can be fixed right the first time in for service.
Summary: This warranty administration bulletin provides information on what should be considerd warranty damage or damage that was at fault of the cutomer and how to properly claim them on the warranty paperwork
Summary: THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A PROCEDURE FOR RELEARNING THE POWER FOLDING MIRRIORS AND ROAD TESTIN TO VERIFY THEY CORRECT A CONDTION OF THE POWER FOLDING MIRRIORS GLASS SHAKES, FLUTTERS AT NORMAL DRIVING CONDITIONS.
Summary: THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A PROCEDURE ON HOW TO CLEAN OVERSPRAY FROM CHORME BUMPERS FOR CONCERNS RELATED TO AN APPERANCE OF DISCOLORATION OR CORROSION NEAR EDGES/OPENINGS OF CHROME BUMPERS
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a clock that is slow to update while driving when the clock auto set feature enabled. Dealer should communicate to the customer t
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN TO DIAGNOSE THE CONCERN AND THE STEPS TO REPAIR THE CONCERN. THE VEHICLE'S XM TRAVEL LINK MAY BE INOPERTIVE.
Summary: This Preliminary Information communication advises the technician after the OnStar Canada upgrade the OnStar Vehicle Diagnostic Email report is inoperative. Please communicate to the customer that we apologize for this inconvenience and tha
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone cont
Summary: This informational bulletin provides Information Regarding Servicing Components Located Near SIR Components and how to properly disable the SIR system for repairs at or near
Summary: This informational bulletin provides information on Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules (VCIM) (GMNA Only)
Summary: This technical bulletin provides a procedure to update your apple product to the latest software version to correct a condition of infotainment system will not return to media after bluetooth call ends
Summary: This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. A dealer or customer can access the website listed below for vehicle specific XM offerings and availabilit
Summary: This preliminary informational bulletin adds the 2014 - 2016 model years to cleaning information to correct a customer concern of seeing a white film/residue on the IP pad and/or door trim panels.
Summary: This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehic
Summary: This Preliminary Information communication provides information to the technician of an engine power reduced message on the driver information center after performing the Canada Onstar® 4G upgrade. If the concern is present park the vehicle
Summary: This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Technician should insure the customer is using an original equipment manufacturer Ap
Summary: The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
Summary: This informational bulletin provides information on the Product Quality Center (PQC) assembly replacement process for Service Agents not required to contact PQC prior to assembly replacement.
Summary: This Preliminary Information communication provides information to the technician about vehicles that are travelling from Canada to the United States. While in the United States they are unable to receive Turn-by-Turn directions. Due to the
Summary: This preliminary informational bulletin adds the 2015 model year to repair information on correcting a customer concern of poor, limited, reduced Remote Keyless Entry (RKE) or Remote Vehicle Start (RVS) range.
Summary: This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Tech
Summary: This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair the vehicles that may have unwanted or phantom phone calls. Technician will need to determine what type of call the cu
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THE STEPS NEEDED TO DIAGNOSE AND REPAIR THE VEHICLES THAT MAY HAVE UNWANTED OR PHANTOM PHONE CALLS. TECHNICIAN WILL NEED TO DETERMINE WHAT TYPE OF CALL THE CU
Summary: This Preliminary Information communication provides information to the technician about vehicles that the retained accessory power in inoperative. Dealer should advise the customer if the vehicle is not equipped with a radio the retained ac
Summary: This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Tech
Summary: This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General Motor
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a message on the radio "maximum number of phones are currently paired to the vehicle". Dealer should advise the customer this is norm
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a "Service Charging System" message displayed on the Driver Information Center or low voltage reading on the volt gauge during th
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have "Service Charging System" message displayed on the DIC and/or a low voltage reading on the volt gauge during the first several mi
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone cont
Summary: This Preliminary Information communication provides information to the technician about customers that may complain of various concerns when using Bluetooth components. Technician should use the Preliminary Information to gather information
Summary: This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehic
Summary: This informational bulletin provides information on Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules (VCIM).
Summary: This warranty administration bulletin provide policy information on a revised customer concern not duplicated/verified labor operation numbers and how to submit CCND.
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D-37 history in the Vehicle Communication Interface Module or telematics communication interface contro
Summary: This preliminary information bulletin provides a descritption of operation of the echo control and noise cancellation settings for concernc regarding noice drop outs during calls and muffled sound.
Summary: This Preliminary Information communication provides information to the technician that customers may inquire as to the availability of OnStar bluetooth on their vehicle. Technician should be advised that Vehicles with Regular Production Opt
Summary: This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Tech
Summary: This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehic
Summary: This preliminary informational bulletin provides a list of corrections for multiple concerns regarding Unexpected Loss of Radio Audio (Radio Goes Silent/No Sound) and Other Blackberry Phone - Bluetooth Issues
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a message on the radio "maximum number of phones are currently paired to the vehicle". Dealer should advise the customer this is norm
Summary: This Preliminary Information communication advises the technician about key and theft information for Fleet Vehicles equipped with RPO 6E2 or 6E8 and converting to fleet mode. Technician will need to ensure fleet vehicles with RPO 6E2 or 6E
Summary: This Preliminary Information communication advises the technician about key and theft information for Fleet Vehicles equipped with RPO 6E2 or 6E8 and converting to fleet mode. Technician will need to ensure fleet vehicles with RPO 6E2 or 6E
Summary: This informational bulletin provides information and rules for GM keycode look up applicationa dn the key code security rules and regulations for Canada only.
Summary: This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. A dealer or customer can access the website listed below for vehicle specific XM offerings and availabilit
Summary: This Preliminary Information communication provides information to the technician about the retained accessory power on vehicles with Radio Provisions Only Regular Production Option Code (UXZ). If the vehicle is equipped with radio provisio
Summary: This Preliminary Information communication provides information to the technician about the rear view camera options on the vehicles equipped with rear view camera. The rear view camera brightness can be adjusted on some models while the tr
Summary: This Preliminary Information communication provides information to the technician about vehicle that has no XM audio on certain channels but XM channel info is displayed. Technician will need to contact XM and deactivate and activate the mo
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a message on the radio ?maximum number of phones are currently paired to the vehicle?. Dealer should advise the customer this is norm
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT THE RETAINED ACCESSORY POWER ON VEHICLES WITH RADIO PROVISIONS ONLY REGULAR PRODUCTION OPTION CODE (UXZ). IF THE VEHICLE IS EQUIPPED WITH RADIO PROVISIO
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF A DEAD BATTERY AFTER LEAVING THE VEHICLE DURING A BLUETOOTH CALL.
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN TO CONTACT THE GM TECHNICAL ASSISTANCE CENTER FOR FURTHER INSTRUCTIONS. THE CONCERN IS THE RADIO MAY BE UNABLE TO SAVE XM FAVORITE STATIONS.
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN. THE VEHICLE'S XM RADIO ONLY HAS XM PREVEIW CHANNELS.
Summary: "THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO CONTACT ONSTAR FOR HARD MUTE REQUEST TO CORRECT A CUSTOMER CONCERN WHEN THE RADIO IS ON, IT DOES NOT MUTE ENOUGH WHEN THE ONSTAR® TURN-BY-TURN NAVIGATION DIRECTIONS ARE ANNOUNCED DUE TO CUSTO
Summary: This informational bulletin provides Information on Inappropriate Warranty Claims Submitted for Damaged Radios and Instrument Panel Clusters (IPCs)
Summary: This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone cont
Summary: This Preliminary Information communication advises the technician of a concern where the Onstar® menu is missing from the radio display. Pressing the white Onstar® push to talk button and say hide Onstar® menu will hide the menu and saying
Summary: This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. A dealer or customer can access the website listed below for vehicle specific XM offerings and availabilit
Summary: This Preliminary Information communication provides information to the technician about vehicles that show an error message when a media disc is installed. Technician will need to check the Regular Production Option Code list to verify if t
Summary: This Preliminary Information communication provides information to the technician about vehicle that has no XM audio on certain channels but XM channel info is displayed. Technician will need to contact XM and deactivate and activate the mo
Summary: This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General Motor
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a message on the radio "maximum number of phones are currently paired to the vehicle". Dealer should advise the customer this is norm
Summary: This preliminary bulletin explains to the technician to use the vin when reprogramming the radio using the techline/service programming systems.
Summary: This preliminary bulletin provides procedures on how to reset or refresh the XM radio receiver is the customers states that they only get a few channels.
Summary: This Preliminary Information communication provides information to the technician about vehicles that may not receiving all channels on the XM band. Technician will need to use a scan tool and verify current Digital Radio Receiver Status un
Summary: This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General Motor
Summary: This Preliminary Information communication provides information to the technician about vehicles that when a Canadian customer may comment that when they travel to the United States, they are unable to connect to OnStar or use hands free ca
Summary: This Preliminary Information communication provides information to the technician about vehicles that has no XM audio on certain channels but XM channel info is displayed. Technician will need to contact XM and deactivate and activate the m
Summary: This Preliminary Information communication provides information to the technician about vehicles that has no XM audio on certain channels but XM channel info is displayed. Technician will need to contact XM and deactivate and activate the m
Summary: This Preliminary Information communication provides information to the technician that after turning the ignition off and opening the driver's door that they can turn the radio on. Dealer should communicate to the customer this condition is
Summary: This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General Motor
Summary: This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General Motor
Summary: This preliminary information bulletin provides a descritption of operation of the echo control and noise cancellation settings for concernc regarding noice drop outs during calls and muffled sound.
Summary: This preliminary informational bulletin provides a list of corrections for multiple concerns regarding Unexpected Loss of Radio Audio (Radio Goes Silent/No Sound) and Other Blackberry Phone - Bluetooth Issues
Summary: THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A LIST OF CORRECTIONS FOR MULTIPLE CONCERNS REGARDING UNEXPECTED LOSS OF RADIO AUDIO (RADIO GOES SILENT/NO SOUND) AND OTHER BLACKBERRY PHONE - BLUETOOTH ISSUES
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a message on the radio "maximum number of phones are currently paired to the vehicle". Dealer should advise the customer this is norm
Summary: This Preliminary Information communication provides information to the technician that customers may inquire as to the availability of OnStar bluetooth on their vehicle. Technician should be advised that Vehicles with Regular Production Opt
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will need to ensure campaigns
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF RECEIVING FREQUENT "OFF ROUTE" MESSAGES WHILE FOLLOWING TURN BY TURN (TBT) ROUTE NAVIGATION. THE TECHNICIAN IS PROVIDED IN
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF RECEIVING FREQUENT "OFF ROUTE" MESSAGES WHILE FOLLOWING TURN BY TURN (TBT) ROUTE NAVIGATION. THE TECHNICIAN IS PROVIDED IN
Summary: "THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO CONTACT ONSTAR FOR HARD MUTE REQUEST TO CORRECT A CUSTOMER CONCERN WHEN THE RADIO IS ON, IT DOES NOT MUTE ENOUGH WHEN THE ONSTAR® TURN-BY-TURN NAVIGATION DIRECTIONS ARE ANNOUNCED DUE TO CUSTO
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS FOR DIAGNOSING THE CONCERN. THE VEHICLE MAY BE UNABLE TO CONNECT TO ONSTAR USING THE WHITE, BLUE OR RED ONSTAR BUTTONS.
Summary: This preliminary informational bulletin provides information on GM is implementing a new service strategy that uses a set of universal coaxial repair kits to service vehicles. This only applies to cable used for high frequency signals, such
Summary: This informational bulletin provides information on Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules (VCIM) (GMNA Only)
Summary: This Preliminary Information communication provides information to the technician about vehicle's odometer appears to be inaccurate relative to a known distance traveled. Technician should obtain a hand-held GPS unit to test the odometer. I
Summary: This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehic
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will use Global Diagnostic Sy
Summary: This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Tech
Summary: This Preliminary Information communication provides information to the technician about vehicles that are travelling from Canada to the United States. While in the United States they are unable to receive Turn-by-Turn directions. Due to the
Summary: This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Tech
Summary: This Preliminary Information communication provides information to the technician about vehicle that may OnStar inoperative and Navigation/GPS/Compass issues. Technician may find Diagnostic Trouble Codes B101D sym 3C and or F0. Technician w
Summary: This Preliminary Information communication provides information to the technician about vehicles that are travelling from Canada to the United States. While in the United States they are unable to receive Turn-by-Turn directions. Due to the
Summary: This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Tech
Summary: This Preliminary Information communication provides information to the technician on the programming and activation of the OnStar system. For many 2008 and prior model year GM vehicles, the programming is performed using the Tech 2 and the
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a frequent "off route" messages while following Turn by Turn route. Technicians will need to remove power from the Vehicle Communicat
Summary: This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have an OnStar Turn-By-Turn Navigation the system that is inoperative. Technician verifies there are no Diagno
Summary: This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General Motor
Summary: This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehic
Summary: This Preliminary Information communication provides information to the technician about vehicles that have at times the XM Traffic or Weather for the local area takes several minutes to update and may read "NO DATA" or "UPDATING" during tha
Summary: This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Tech
Summary: This Preliminary Information communication provides information to the technician about vehicle that will not change Heater-Vent-Air Conditioning modes, Defrost or RECIRC positions. Technician will need to gain access to the vacuum lines fr
Summary: This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have hi
Summary: This preliminary bulletin provides a procedure to replace the vacuum pump assembly to correct the customers concern of the HVAC vent and floor mode inop.
Summary: This warranty administration bulletin provide policy information on a revised customer concern not duplicated/verified labor operation numbers and how to submit CCND.
Summary: This preliminary informational bulletin provides a procedure to replace the first junction block terminal and other terminals to correct a condition of poor HVAC performance.
Summary: This Preliminary Information communication advises the technician that the Diesel Oxidation Converter part numbers 15231895, 22768282, 22770967, 22887212, 22893734 and 22977171 will be placed on a parts restriction through the General Motor
Summary: This Preliminary Information communication advises the technician that the Diesel Oxidation Converter part numbers 15231895, 22768282, 22770967, 22887212, 22893734 and 22977171 will be placed on a parts restriction through the General Motor
Summary: This Preliminary Information communication advises the technician that the Diesel Oxidation Converter part numbers 15231895, 22768282, 22770967, 22887212, 22893734 and 22977171 will be placed on a parts restriction through the General Motor
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Code
Summary: This informational bulletin provides information on dealer responsibility for cargo carrying capacity labeling and the part numbers for the labels.
Summary: This informational bulletin was created to inform that any accessories that are installed from the GM factory will be covered under the standard vehicle warranty and dealer installed accessories will be covered for a full year (12 months).
Summary: This Preliminary Information communication provides information to the technician about installing General Motors Accessory pats. Technician can check Service Information for some accessories. Technician can also contact Partect for assista
Summary: This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (Base Warranty Coverage). For vehic
Summary: This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared Message Displayed on DIC, DTC P2463 May Be Set.
Summary: This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (Base Warranty Coverage). For vehic
Summary: This Preliminary Information communication provides information to the technician about installing General Motors Accessory pats. Technician can check Service Information for some accessories. Technician can also contact Partect for assista
Summary: This Bulletin has been Revised to add the 2017 Colorado, Cruze, Canyon, Chevrolet & GMC Light/Medium Duty Trucks. Please discard Corporate Bulletin Number 03-06-04-071I
Summary: This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.
Summary: This Warranty Admin bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support the Personal Property Damage process.
Summary: This warranty administration bulletin provide policy information on warranty and policy exchange program for electronic products for U.S. and Canada dealers only.
Summary: THIS WARRANTY ADMINISTRATION BULLETIN PROVIDE POLICY ON PERFORMING GM COVERED VEHICLE SERVICES AND MAINTENANCE ON VEHICLES ORIGINATING/SOLD IN CANADA.
Summary: THIS WARRANTY ADMINISTRATION BULLETIN PROVIDE POLICY INFORMATION ON USING THE EL-50313 MIDTRONICS GR8 BATTERY TESTER/CHARGER FOR DIAGNOSING BATTERY REPLACEMENTS AND MAINTAINING BATTERIES ON NEW VEHICLES IN DEALER INVENTORY.
Summary: THIS WARRANTY ADMINISTRATION BULLETIN PROVIDES INFORMATION ON GM¿S POLICY ON PERFORMING GM COVERED VEHICLE SERVICES AND MAINTENANCE ON VEHICLES ORIGINATING/SOLD IN CANADA.
Summary: This Preliminary Information communication provides information to the technician about the multiple alternative gaseous fuel vehicles General Motors offers. Chevrolet Express and GMC Savana vans 2011 through 2016 offered a dedicated Compre
Summary: This informational bulletin provides information on what is needed to be prepared for TAC, caller preparedness and checklists and contacting U.S. technical Assistance and the use of strategy based diagnostics
Summary: This informational bulletin provides information on New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles and Generating Higher CSi Scores
Summary: This warranty informational bulletin provides a list of all the required operating procedures and explains them out to what is acceptable and not.
Summary: This informational bulletin provides Information Regarding Servicing Components Located Near SIR Components and how to properly disable the SIR system for repairs at or near
Summary: This informational bulletin provides information on Clarification of Use - Dealer Empowerment Labor Operations and Customer Enthusiasm (U.S. Only)
Summary: This warranty administration bulletin provides policy information on an updated warranty and policy exchange program for electronic products through GM authorized Electronic Service Centers (ESCs) (U.S. and Canada).
Summary: This informational bulletin provides information to dealership personnel on proper engine and automatic transmission/transaxle identification.
Summary: This warranty administration bulletin provides policy information on an updated warranty and policy exchange program for electronic products through GM authorized Electronic Service Centers (ESCs) (U.S. and Canada).
Summary: This Preliminary Information communication provides information to the technician about vehicles that the Turn By Turn directions may no longer be displayed after the Canada OnStar upgrade. Dealer should communicate to the customer that we
Summary: This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on or a low oil pressure indicated after an oil change. Technician may find Diagnost
Summary: This informational bulletin provides dealership personnel with Global Warranty Management (GWM), Warranty Parts Center (WPC), and Parts Return Program information.
Summary: This informational bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and what is considered seepage.
Summary: This informational bulletin provides information to technicians on exhaust fluid range, exhaust fluid quality poor, service exhaust fluid system or Service Emission System Driver Information Center (DIC) messages.
Summary: This informational bulletin provides information on the Product Quality Center (PQC) assembly replacement process for Service Agents not required to contact PQC prior to assembly replacement.
Summary: This informational bulletin provides information on dealer reimbursement procedures for Customer Assistance Center (CAC) Tier 1 and Tier 2 empowerment tools: diagnostic fee, short term rental, and up-front towing (U.S. only).
Summary: This warranty administration bulletin provide policy information of the JOB CARD, for a repair on vehicles and what is acceptable - customer authorization; Service manager approvals and transaction authorization; Details of concern, cause a
Summary: 14151 - CUSTOMER SATISFACTION PROGRAM (REVISED POPULATION, LETTER ONLY). INFORMATION ABOUT CUSTOMERS OVERFILLING THEIR COMPRESSED NATURAL GAS (CNG) TANKS IN COLD WEATHER IN CERTAIN VEHICLES WAS PREVIOUSLY SENT. ADDITIONAL 13 VEHICLES ARE A
Summary: This Preliminary Information communication provides information to the technician about installing General Motors Accessory pats. Technician can check Service Information for some accessories. Technician can also contact Partect for assista
Summary: This information bulletin provides the technician with additional information on fixing the vehicle right the first time by listing possible concerns to specific vehicles.
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0442. Technician will need to review T
Summary: This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. The General Motors of Canada Customer Care Centre is the sole auth
Summary: This preliminary bulletin provides a revision for PI0235F to add the 2014 model year and update the Labor Operation to the Global Labor Code (GLC).
Summary: This preliminary information bulletin provides information on poor or no transmitter range when using the remote keyless entry (RKE) and/or remote vehicle start (RVS).
Summary: This informational bulletin provides information to inform dealers to remove the protective film bumper covers from the vehicle upon delivery.
Summary: This technical bulletin provides a revision of 03-06-03-003B to add the 2010-2014 model years, update the Attention statement, change the terms Claim Type B to Claim Type ZPTI, GM Dealer to GM Service Agent, Repair Order to Job Card, Warran
Summary: This warranty administration bulletin provide policy information on clarification of use-dealer empowerment labor operations and customer enthusiasm.
Summary: This preliminary information bulletin provides information on the repositioning of the fuel cap teather due to a binding concern causing a DTC P0442 and/or P0455 with a malfunction indicator lamp illuminated.
Summary: This warranty administration bulletin provides information regarding customer concerns not duplicated and which labor operations to claim when the concern cannot be duplicated. Also provides information on how to submit claims within the gl
Summary: This informational bulletin provides a single point reference and strategy document to aid in reducing customer comebacks, and the possibility of buyback situations by outlining specific guidelines, strategy and forms that will assist with
Summary: This warranty administration bulletin provides information on what should be considerd warranty damage or damage that was at fault of the cutomer and how to properly claim them on the warranty paperwork
Summary: This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
Summary: This Preliminary Information communication provides information to the technician about installing General Motors Accessory pats. Technician can check Service Information for some accessories. Technician can also contact Partect for assista
Summary: This Preliminary Information communication provides information to the technician about engine block that have a possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leaka
Summary: This informational bulletin provides information on new tools used for the Hem Flanges and how to repair and seal the flanges when the repairs are done.
Summary: THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT A NOISE OR A VIBRATION IN THE VEHICLE THAT SEEMS TO BE ABNORMAL MAY NOT HAVE BEEN THERE WHEN THE VEHICLE WAS PURCHASED. TECHNICIAN SHOULD LOOK FOR NON - GENERAL MOTORS A
Summary: THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPLACE THE AFFECTED CNG TANK VALVE TO CORRECT A CUSTOMER CONCERN OF CNG GAS VENTING, LEAKING, OR RELEASING DURING EXTREME COLD TEMPERATURES AND/OR DURING REFUELING DUE TO COLD TEMPERATURES AL
Summary: This informational bulletin provides information on Clarification of Use - Dealer Empowerment Labor Operations and Customer Enthusiasm (U.S. Only)
Summary: This informational bulletin provides information on Unscheduled Supplemental Services (Including Flushing Services and Additives) and Proper Use of GM Simplified Maintenance Schedules (U.S. Only)
Summary: This informational bulletin provides information on how to properly repair rust on the hem flange on doors for vehicles that have the condition of rust showing at hem flange
Summary: This informational bulletin provides information on Behavior of Non-Upgraded OnStar Equipped Vehicles Operating in Canada after Decommissioning of 2G CDMA Cellular Networks
Summary: This Preliminary Information communication provides information to the technician about vehicles with Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0101. Technician should follow published Serv
Summary: This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. A dealer or customer can access the website listed below for vehicle specific XM offerings and availabilit
Summary: This Preliminary Information communication provides additional information to the technician when replacing the Duramax Diesel head gasket. This is a supplement to procedure found in Service Information. The left and right cylinder head gas
Summary: This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the suppo
Summary: This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only).
Summary: This informational bulletin provides information for dealers/technicians on when and how to submit a Field Product Report (FPR) (U.S. Dealers Only).
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on or a low oil pressure indicated after an oil change. Technician may find Diagnost
Summary: This informational bulletin provides information to assist dealership personnel with the identification of vehicle headlamp, tail lamp, license lamp or fog/driving lamp damage that are not considered warrantable.
Summary: This warranty administration bulletin provides retail and wholesale service personnel with the policies and the warranty claims submission procedures that support Labor Operation 0600014 - Suspected Tampering or Vehicle Modifications.
Summary: This informational bulletin provides dealership personnel information on unscheduled supplemental services (including flushing services and additives) and proper use of GM simplified maintenance schedules (Canada only).
Summary: This informational bulletin provides information on the PQC assembly replacement process - for dealers required to contact PQC prior to replacing an assembly (U.S. and Canada only).
Summary: This warranty administration bulletin provides information to clarify proper transaction administration of GM Dealer Empowerment Program and Goodwill Cases.
Summary: This preliminary bulletin provides a procedure to paint the areas of the frame, if there are signs of rust/corrosion after the wax coating peeled off.
Summary: This information for Warranty administration - Changes the Service Policy and Procedures Section 1.6.2.11 and now is refered to Article 3.2.9 of the 1st addition manual for details of Technician Identification and Accounting of Labor Time
Summary: This warranty administration bulletin provide policy information of the JOB CARD, for a repair on vehicles and what is acceptable - customer authorization; Service manager approvals and transaction authorization; Details of concern, cause a
Summary: This preliminary bulletin provides a procedure on how to repair the customers concern of a sagging roof by removing the anti-flutter material and reapplying foam.
Summary: This Preliminary Information communication provides information to the technician about installing General Motors Accessory pats. Technician can check Service Information for some accessories. Technician can also contact Partect for assista
Summary: This Preliminary Information communication provides information to the technician on vehicles that may have an intermittent high idle. If a technician has duplicated, or the customer description aligns with the speeds mentioned in the idle
Summary: This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehic
Summary: This warranty administration bulletin provide policy information on a revised customer concern not duplicated/verified labor operation numbers and how to submit CCND.
Summary: This warranty administration bulletin provides information on the Clarification of Use for Dealer Empowerment Labor Operations and Customer Enthusiasm
Summary: This informational bulletin provides a list off all the issues revolving around new vehicles for a one stop place to find growing concerns around them.
Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on shortly after cold start. Technician will find a Diagnostic Trouble Code P2181 in
Summary: This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts. Technician can check Service Information for some accessories. Technician can also contact Partech for assist
Summary: This informational bulletin provides information on dealer responsibility for cargo carrying capacity labeling and the part numbers for the labels.
Summary: This warranty administrational bulletin provides information on Clarification of Use - Dealer Empowerment Labor Operations and Customer Enthusiasm
