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2001 GMC Yukon

Technical Service Bulletins

There are also 8 GMC recalls » 8 defect investigations » 208 TSBs » for the GMC Yukon.

Please note: 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 number & contact your local dealer.

ALSO: The TSB numbers are the NHTSA numbers, which are different from the TSB numbers the manufacturers use. The manufacturers don't give out their TSB numbers to us, so if you ask your dealer for more information about a TSB, have them look it up by the issue date or the TSB title.

STEERING

• TSB #000235003G -- CONCERNS THAT CLUNK NOISE CAN BE HEARD COMING FROM UNDER THE HOOD ALSO FELT IN THE STEERING WHEEL. *TT UPDATED *EH GM ADMINISTRATIVE MESSAGE. *TT (NHTSA ID #628884, APRIL 01 2005)
• TSB #030235006 -- REVISED STEERING WHEEL REPLACEMENT PROCEDURE. *TT (NHTSA ID #10005165, DECEMBER 01 2004)
• TSB #040234001 -- VEHICLE PULLS ON BREAKING ACCELERATION AND WANDERS. *EH (NHTSA ID #10012736, OCTOBER 01 2004)
• TSB #000235003E -- CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL. THIS BULLETIN REPLACES PREVIOUS BULLETIN 00-02-35-003E. *TT (NHTSA ID #10011223, AUGUST 01 2004)
• TSB #000235003C -- CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN THE STEERING WHEEL. *TT (NHTSA ID #10004716, APRIL 01 2004)
• TSB #01634A -- SUPPLEMENT TO 00-02-35-003D - CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN THE STEERING WHEEL. *TT (NHTSA ID #10007276, JANUARY 01 2004)
• TSB #01634 -- INTERMEDIATE STEERING SHAFT SERVICE KIT. SERVICE VME. *TT (NHTSA ID #10007231, JANUARY 01 2004)
• TSB #000235003B -- CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN THE STEERING WHEEL. *TT (NHTSA ID #10000950, JANUARY 01 2003)
• TSB #010232007 -- SOME CUSTOMER MAY COMMENT ON A WHINING-TYPE NOISE THAT IS AUDIBLE INTHE VEHICLE'S PASSENGER COMPARTMENT. *TT (NHTSA ID #623883, SEPTEMBER 01 2001)
• TSB #3243 -- POP/CLUNK/CLICK NOISE ON RIGHT OR LEFT TURNS. *EH (NHTSA ID #10010873, no date provided)

STEERING:COLUMN

• TSB #000235003N -- CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL AND/OR STEERING COLUMN (REPLACE UPPER INTERMEDIATE STEERING SHAFT [I-SHAFT] ASSEMBLY). *PE (NHTSA ID #10025148, APRIL 01 2008)

STEERING:COLUMN LOCKING:ANTI-THEFT DEVICE

• TSB #010235003 -- THE DELETION OF THE STEERING COLUMN / WHEEL LOCKING FEATURE ON VEHICLES WITH AUTOMATIC TRANSMISSIONS. *TT (NHTSA ID #619366, APRIL 01 2001)

STEERING:HYDRAULIC POWER ASSIST SYSTEM

• TSB #3386 -- LACK OF STEERING ASSIST OR SHUDDER DURING PARKING LOT TYPE MANEUVERS. *TT (NHTSA ID #10013533, no date provided)

STEERING:LINKAGES:ARM:IDLER AND ATTACHMENT

• TSB #3499 -- STEERING IDLER ARM INSPECTION PROCEDURE. *TT (NHTSA ID #10014899, no date provided)

STEERING:LINKAGES:TIE ROD ASSEMBLY

• TSB #030234001A -- INNER TIE ROD RELEASED FOR SERVICE. *TT (NHTSA ID #10004766, OCTOBER 01 2003)

SUSPENSION

• TSB #030309002 -- REAR LEAF SPRING SLAP OR CLUNK NOISE (REPLACE SPRING INSERTS) *TT UPDATED 10/18/07. *NJ (NHTSA ID #10005181, JULY 01 2007)
• TSB #030308002 -- RATTLE/SQUEAK FROM FRONT OF VEHICLE. *TT *AR (NHTSA ID #10002851, DECEMBER 01 2005)
• TSB #040310007D -- 20 INCH WHEELS AND TIRES AVAILABLE THROUGH GMSPO. *TT UPDATED. *NM (NHTSA ID #10011197, NOVEMBER 01 2005)
• TSB #020307002 -- REVISED FRONT CASTER AND CAMBER ADJUSTMENT PROCEDURE. ORIGINAL NOT YET RECEIVED. *TT (NHTSA ID #10014945, MARCH 01 2005)
• TSB #02095 -- OWNERS MAY INQUIRE ABOUT THE PROPER SETUP FOR A WEIGHT DISTRIBUTING HITCH ON VEHICLES EQUIPPED WITH RPO Z55 AUTO RIDE SUSPENSION. *MJ (NHTSA ID #10007461, JANUARY 01 2004)
• TSB #01555 -- D HEIGHT SPECIFICATION MISSING FROM SI. SIT BULLETIN 1410632. *TT (NHTSA ID #10005395, JANUARY 01 2004)
• TSB #030311001 -- SERVICE RIDE CONTROL MESSAGE DISPLAYED DIAGNOSTIC TROUBLE CODE C0580 SET REPLACE RIGHT FRONT SHOCK ADSORBER SOLENOID CONNECTOR AND INSTALL NEW AC SUCTION HOSE AND AUXILIARY AC EVAPORATOR HOSE. *EH (NHTSA ID #10012556, JULY 01 2003)
• TSB #010310002 -- INFORMATION ON EXCEEDED TIRE INFLATION PRESSURE (HARSH RIDE FACTOR). *TT (NHTSA ID #619387, MARCH 01 2001)

SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE

• TSB #3340 -- LEFT FRONT AXLE SHAFT DIFFICULT TO REMOVE. AXLE DIFFERENTIAL LEAK SEAL SHAFT. *KB (NHTSA ID #10020874, SEPTEMBER 23 2006)

SUSPENSION:REAR

• TSB #PIP4054A -- EATON LOCKING DIFFERENTIAL CHATTER SHUDDER NOISE ON TURNS, EQUIPPED WITH A LOCKING REAR DIFFERENTIAL RPO G80. *NJ UPDATED 7/17/2008. *PE (NHTSA ID #10024345, FEBRUARY 01 2008)
• TSB #3525 -- AUTOMATIC LEVEL CONTROL INOPERATIVE DUE TO WATER INGESTION. *TT (NHTSA ID #10016714, no date provided)

SERVICE BRAKES, HYDRAULIC

• TSB #040523001A -- LOW BRAKE PEDAL, RED BRAKE LIGHT ON, BRAKE SYSTEM WARNING MESSAGE ON. *TT UPDATED *EH (NHTSA ID #10011125, OCTOBER 01 2004)
• TSB #02053 -- INFORMATION ON RESURFACING THE PARK BRAKE PORTION OF THE REAR BRAKE ROTOR. *TT (NHTSA ID #10007739, JANUARY 01 2004)
• TSB #020522004A -- TRAILER BRAKES APPLIED WHEN HEADLIGHTS / PARK LAMPS ARE ON, BRAKE CONTROLLER ILLUMINATION. *TT (NHTSA ID #10000061, SEPTEMBER 01 2002)
• TSB #020522004 -- TRAILER BRAKES APPLIED WHEN HEADLIGHTS / PARK LAMPS ARE ON, BRAKE CONTROLLER ILLUMINATION. *TT (NHTSA ID #10000067, SEPTEMBER 01 2002)

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS

• TSB #040523006 -- REVISED BRAKE PADS REPLACEMENT-REAR. *TT (NHTSA ID #10011201, AUGUST 01 2004)

SERVICE BRAKES, HYDRAULIC:ANTILOCK

• TSB #030525007 -- ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS. *TT (NHTSA ID #10004310, MAY 01 2006)
• TSB #020525006 -- ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS. *TT (NHTSA ID #10000062, JANUARY 01 2006)

SERVICE BRAKES, HYDRAULIC:ANTILOCK:CONTROL UNIT/MODULE

• TSB #040525002B -- ANTI-LOCK BRAKE SYSTEM (ABS) LIGHT ON, DIAGNOSTIC TROUBLE CODES (DTCS) C0265, C0201, U1041 SET AND/OR LOSS OF COMMUNICATION WITH BRAKE MODULE. *TT UPDATE. *TT (NHTSA ID #10008659, NOVEMBER 01 2005)

SERVICE BRAKES, AIR

• TSB #020526001B -- REAR PARKING BRAKE SHOE RETAINING SPRING CLIP SERVICE KIT FOR DRUM-IN-HAT (DIH) EQUIPPED VEHICLES. *TT UPDATE. *TT (NHTSA ID #10006115, JANUARY 01 2005)

SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR

• TSB #05068 -- PRODUCT SAFETY RECALL REGARDING FRONT WHEEL SPEED SENSOR CORROSION. *TT (NHTSA ID #10016715, SEPTEMBER 01 2005)
• TSB #3455 -- SUPPLEMENT TO 04094 FRONT WHEEL SPEED SENSOR CORROSION. *TT (NHTSA ID #10017232, no date provided)

SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT

• TSB #040525002 -- ABS LIGHT ON, DTC'S C0265, C0201, U1041 SET AND/OR LOSS OF COMMUNICATION WITH BRAKE MODULE. (REGROUND EBCM GROUND). *KB (NHTSA ID #10022470, JUNE 01 2007)

PARKING BRAKE

• TSB #010526001 -- LOW EFFORT PARKING BRAKE APPLY SYSTEM. *TT (NHTSA ID #619514, APRIL 01 2005)
• TSB #020526001B -- REAR PARKING BRAKE SHOE RETAINING SPRING CLIP SERVICE KIT FOR DRUM-IN-HAT (DIH) EQUIPPED VEHICLES. *TT UPDATE. *TT (NHTSA ID #10006115, JANUARY 01 2005)
• TSB #020526002 -- SCRAPING NOISE FROM REAR OF VEHICLE. *TT (NHTSA ID #10000172, OCTOBER 01 2002)

ENGINE AND ENGINE COOLING

• TSB #050604024 -- REVISED DIAGNOSTIC TROUBLE CODE (DTC) P1172 AND DTC P2636. *TT (NHTSA ID #10015008, MARCH 01 2005)
• TSB #040604088 -- REPLACEMENT OF CONNECTOR WHEN REPLACING FUEL TANK MODULE/FUEL PUMP MODULE. *TT (NHTSA ID #10014959, MARCH 01 2005)
• TSB #040603002 -- DIAGNOSTIC INFORMATION FOR INTERMITTENT VEHICLE NO CRANK DEAD BATTERY. *EH (NHTSA ID #10012703, FEBRUARY 01 2004)
• TSB #3097 -- OIL PAN OR OIL COOLER LINE LEAK. *SC (NHTSA ID #10010242, JANUARY 01 2004)
• TSB #3121 -- EXHAUST VIBRATION RESONANCE OR MOAN. (2004-2005 GMC DENALI) *SC (NHTSA ID #10010056, JANUARY 01 2004)
• TSB #3107 -- P0420 AND P0430 DTSC IN THE DETROIT, MICHIGAN AREA WITH GEN III V-8 ENGINES. *SC (NHTSA ID #10010197, JANUARY 01 2004)
• TSB #030601011 -- ACCESSORY DRIVE BELT WHINE. *TT (NHTSA ID #10001292, MARCH 01 2003)
• TSB #020601038 -- ENGINE KNOCK OR LIFTER NOISE. *TT (NHTSA ID #10000763, DECEMBER 01 2002)
• TSB #3193 -- EXCESSIVE OIL CONSUMPTION. *EH (NHTSA ID #10010647, no date provided)

ENGINE AND ENGINE COOLING:ENGINE

• TSB #030604030 -- MULTIPLE DRIVEABILITY SYMPTOMS OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE DUE TO CLOGGED FUEL INJECTORS. *TT (NHTSA ID #10002166, MARCH 01 2007)
• TSB #040604040 -- IDLE INSTABILITY, LOW OR ROUGH IDLE WITH ELECTRONIC THROTTLE CONTROL. *TT (NHTSA ID #10012155, JUNE 01 2004)
• TSB #040601018 -- INFORMATION ON REVISED DESIGN OF INTAKE GASKET AND RELATED BOLTS FOR 2004 MID-YEAR ENHANCEMENT AND PRIOR YEAR SERVICE USAGE. *TT (NHTSA ID #10012143, JUNE 01 2004)
• TSB #040604042 -- REVISED DIAGNOSTIC SYSTEM CHECK - ENGINE CONTROLS. *TT (NHTSA ID #10012162, JUNE 01 2004)
• TSB #00969A -- ENGINE WHISTLE NOISE. *TT (NHTSA ID #10005469, JANUARY 01 2004)
• TSB #01353 -- ENGINE MISFIRE DUE TO INJECTOR FRETTING CORROSION. *TT (NHTSA ID #10007937, JANUARY 01 2004)
• TSB #3086 -- WHISTLE NOISE FROM THE THROTTLE BODY AREA ON LIGHT THROTTLE ACCELERATION ON VEHICLES WITH GEN III ENGINES AND ELECTRONIC THROTTLE. *TT (NHTSA ID #10009512, JANUARY 01 2004)
• TSB #3015 -- 6.0L LQ4 VIN U ENGINE RESTRICTION. *TT (NHTSA ID #10008781, JANUARY 01 2004)
• TSB #01484 -- GEN III REPLACEMENT FLYWHEEL BOLT HOLES LARGER THAN ORIGINAL PART. THE BOLT HOLES FOR THE CRANK SHAFT IN THE REPLACEMENT FLYWHEEL ARE LARGER THAN THE HOLES IN THE ORIGINAL PART. SIT BULLETIN 1400596. *TT (NHTSA ID #10005499, JANUARY 01 2004)
• TSB #3055 -- SERVICE ENGINE SOON LIGHT WITH A P0300 MISFIRE DUE TO MISFIRES MAINLY ON CYLINDER 7. *TT (NHTSA ID #10009666, JANUARY 01 2004)
• TSB #00872A -- OIL PAN OR OIL COOLER LINE LEAK ON GEN III V-8 ENGINES EQUIPPED WITH AN OIL COOLER. *TT (NHTSA ID #10007916, JANUARY 01 2004)
• TSB #3038 -- ENGINE TICK, RATTLE OR KNOCK NOISE AFTER CYLINDER HEAD GASKET REPLACEMENT ON THE 6.0L ENGINE. *TT (NHTSA ID #10009648, JANUARY 01 2004)
• TSB #01586 -- 8.1L CHANGES IN HEADS, BOLTS AND GASKET FOR FOR 2004 1/2 ENGINES. VARIOUS MODELS INCLUDING THE CHEVROLET AND GMC 2500HD/3500 MY2001-2004 AND 2001, 2002, AND 2003 GMT 560. *MJ (NHTSA ID #10007668, JANUARY 01 2004)
• TSB #01119A -- ROLL-OUT FOR THE GEN III SMALL BLOCK ENGINES WITH IRIDIUM SPARK PLUGS. ALSO INCLUDES 2003/2004 M/L VANS. *TT (NHTSA ID #10007576, JANUARY 01 2004)
• TSB #00266 -- LOSS OF POWER, HESITATES ON ACCELERATION ON 4.8, 5.3 AND 6.0 ENGINES COUPLED WITH THE 4L60E OR 4L65E TRANSMISSION. *TT (NHTSA ID #10007596, JANUARY 01 2004)
• TSB #3032 -- SERVICE ENGINE SOON (SES) LIGHT ON WITH P0446 DUE TO DUST IN THE EVAP VENT VALVE ON VEHICLES THAT ARE OPERATED IN DUSTY ENVIRONMENTS, SUCH AS FARMING OR OFF-ROAD APPLICATIONS. *TT (NHTSA ID #10008762, JANUARY 01 2004)
• TSB #00428E -- HIGHER THAN EXPECTED OIL CONSUMPTION EVEN AFTER THE INTAKE BOLTS WERE REPLACED PER 02-06-01-035. *TT (NHTSA ID #10007848, JANUARY 01 2004)
• TSB #00634A -- GEN III ENGINE NOISE AFTER HOT SOAK RESTART. *TT (NHTSA ID #10004162, NOVEMBER 18 2003)
• TSB #01415 -- CAM SENSOR CONNECTOR DOES NOT FIT SENSOR WHEN ENGINE IS REPLACED. *TT (NHTSA ID #10004219, NOVEMBER 18 2003)
• TSB #030604060 -- INFORMATION ON NEW SPARK PLUGS AND GAPPING. VARIOUS MODELS INCLUDING PONTIAC GTO 2004. *TT (NHTSA ID #10004733, OCTOBER 01 2003)
• TSB #020604054B -- INCREASED ACCELERATOR PEDAL EFFORT, IDLE INSTABILITY. *TT (NHTSA ID #10001273, MARCH 01 2003)
• TSB #020601029 -- NEEDLE BEARINGS FOUND IN OIL PAN. *TT (NHTSA ID #10000064, SEPTEMBER 01 2002)
• TSB #3232 -- 1999 - 2005 GEN II COLD ENGINE MISFIRE AT IDLE WITH POSSIBLE P0171 AND/OR P0174. *TT (NHTSA ID #10014870, no date provided)
• TSB #3267 -- DIAGNOSTIC TROUBLE CODE P0128 OR ENGINE WILL NOT REACH OPERATING TEMPERATURE. *SC (NHTSA ID #10017155, no date provided)
• TSB #4231 -- SERVICE VME. SUPPLEMENT TO 00-02-35-003L. UPDATE ON NEW I-SHAFT. *KB (NHTSA ID #10021021, no date provided)

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

• TSB #010601029B -- SOME CUSTOMERS MAY COMMENT ON HIGHER THAN EXPECTED ENGINE OIL CONSUMPTION. *TT (NHTSA ID #634805, JULY 01 2002)
• TSB #020604023A -- SOME CUSTOMERS MAY COMMENT ON A MILD TO SEVERE ENGINE PING (COMMONLY REFERRED TO AS SPARK KNOCK) USUALLY WORSE DURING ACCELERATION AND / OR AN ILLUMINATED MALFUNCTION INDICATOR LAMP. *TT (NHTSA ID #634788, JUNE 01 2002)
• TSB #020604023 -- SOME CUSTOMERS MAY COMMENT ON A MILD TO SEVERE ENGINE PING (SPARK KNOCK) DURING ACCELERATION AND / OR ILLUMINATED MALFUNCTION INDICATOR LAMP WITH DIAGNOSTIC TROUBLE CODE P0332 SET. *TT (NHTSA ID #634723, MAY 01 2002)
• TSB #020604005 -- SUBJECT REGARDING REVISED DIAGNOSTIC TROUBLE CODE P1221 SERVICE MANUAL INFORMATION. *TT (NHTSA ID #629495, FEBRUARY 01 2002)

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

• TSB #310701 -- SUBJECT REGARDING DRIVE BELT NOISE. *YH (NHTSA ID #625211, JULY 31 2001)

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

• TSB #030605008B -- ADVANCE SERVICE INFORMATION - EXHAUST SYSTEM POPPING/SNAPPING NOISE WHEN VEHICLE IS HOT, AT IDLE OR IMMEDIATELY AFTER VEHICLE IS SHUT OFF. *TT BULLETIN 03-06-05-008, DATED 11/01/2003 REPLACED. *TT (NHTSA ID #10005576, NOVEMBER 01 2005)

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

• TSB #3119 -- ENGINEERING INVESTIGATION - CATALYTIC CONVERTER REPLACEMENT. *SC (NHTSA ID #10010101, JANUARY 01 2004)

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

• TSB #020605005A -- EXHAUST / MUFFLER HEAT SHIELD RATTLE, POPPING NOISE UNDER VEHICLE. *TT (NHTSA ID #10000726, DECEMBER 01 2002)

FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

• TSB #011200 -- SUBJECT REGARDING VEHICLES EXHIBITING FUEL TANK LEAKAGE. *TT (NHTSA ID #616400, DECEMBER 01 2000)

FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

• TSB #01624 -- GEN III ENGINES WITH MAF (MASS AIRFLOW) SENSOR CODE P0101. *TT (NHTSA ID #10007238, JANUARY 01 2004)

FUEL SYSTEM, OTHER

• TSB #010604036 -- DIAGNOSING FUEL GAUGE READING EMPTY, LOW FUEL MESSAGE DISPLAYED, DTCS SET. *YH (NHTSA ID #623311, APRIL 01 2005)

POWER TRAIN

• TSB #3054 -- REPLACEMENT FLEXPLATE MAY HAVE LARGER BOLT HOLES THAN THE ORIGINAL FLEXPLATE. *TT (NHTSA ID #10009665, JANUARY 01 2004)
• TSB #01599 -- 4L60E, 4L65E FORWARD AND LOW REVERSE WAVED STEEL CLUTCH PLATE APPEARANCE CHANGE. *TT (NHTSA ID #10007237, JANUARY 01 2004)
• TSB #02086 -- 4L60E, 4L65E INTERMITTENT NEUTRAL FROM A STOP OR STEADY SPEED. *TT (NHTSA ID #10007782, JANUARY 01 2004)
• TSB #01410 -- POOR PERFORMANCE FROM A STOP IN 2WD, AUTO OR 4WD HI. 2003, 2003 CADILLAC EXT ALSO INCLUDED. *TT (NHTSA ID #10004214, NOVEMBER 18 2003)
• TSB #010730002C -- MALFUNCTION INDICATOR LAMP (MIL) IS ON; THE TRANSMISSION IS STUCK IN THIRD GEAR; AND / OR THE INSTRUMENT CLUSTER IS INOPERATIVE. *TT (NHTSA ID #10004354, AUGUST 01 2003)
• TSB #020421005A -- SLIPS IN 4-WHEEL DRIVE, NOISE, VIBRATION, LEAKS, HOT ODOR. *TT (NHTSA ID #10001110, FEBRUARY 01 2003)
• TSB #990730016A -- DIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR NOISY COOLING FAN. *TT (NHTSA ID #10007838, OCTOBER 01 2002)
• TSB #020421005 -- SOME VEHICLES WILL NOT MOVE WHEN 4-WHEEL DRIVE IS REQUESTED, NOISE, SHUDDER, POOR PERFORMANCE, TRANSMISSION / TRANSFER CASE SLIPS, TRANSMISSION WILL NOT UPSHIFT, SLIPS IN 4-WHEEL DRIVE. *TT (NHTSA ID #634905, JUNE 01 2002)
• TSB #3276 -- 4L80E OUTPUT CARRIER THRUST WASHER CHANGES. *TT (NHTSA ID #10013496, no date provided)
• TSB #3002 -- 4L60E/4L65E INTERMITTENT NEUTRAL CONDITION WHILE ACCELERATING FROM A STOP OR WHILE DRIVING. *TT 1999-2006 GM CARS, LIGHT DUTY TRUCKS AND UTILITIES. *TT (NHTSA ID #10008802, no date provided)
• TSB #00773 -- 4L60E, 4L65E REPLACEMENT VALVE BODY GASKETS DOES NOT SEEM TO FIT. *TT (NHTSA ID #10017190, no date provided)

POWER TRAIN:MANUAL TRANSMISSION

• TSB #010730036 -- SERVICE ENGINE SOON LAMP ILLUMINATED, INCORRECT TRANSMISSION SHIFTS, POOR PERFORMANCE OF ENGINE, TRANSMISSION SLIPPING. *YH (NHTSA ID #627912, NOVEMBER 01 2001)

POWER TRAIN:AUTOMATIC TRANSMISSION

• TSB #010730038B -- THE SERVICE ENGINE SOON LAMP IS ILLUMINATED, NO 3RD AND 4TH GEAR, THE TRANSMISSION DOES NOT SHIFT CORRECTLY, THE TRANSMISSION FEELS LIKE IT SHIFTS TO NEUTRAL OR A LOSS OF DRIVE OCCURS. *TT (NHTSA ID #10005162, OCTOBER 01 2005)
• TSB #3047 -- HARSH TCC APPLY AND OR A DIAGNOSTIC TROUBLE CODE P1870. 4L80E AUTOMATIC TRANSMISSION. *TT (NHTSA ID #10009392, JANUARY 01 2004)
• TSB #030730056 -- 4L60-E AUTOMATIC TRANSMISSION OIL PUMP FIRST AND SECOND DESIGN IDENTIFICATION. *TT (NHTSA ID #10005566, NOVEMBER 01 2003)
• TSB #020730011 -- SUBJECT REGARDING, 2001-2002 CHEVROLET AND GMC C/K PICKUP AND UTILITY MODELS, DIAGNOSTICS FOR POSSIBLE GEAR INDICATOR CONCERNS. *JG (NHTSA ID #631670, MARCH 01 2002)
• TSB #020730011 -- SUBJECT REGARDING, 2001-2002 CHEVROLET AND GMC C/K PICKUP AND UTILITY MODELS, DIAGNOSTICS FOR POSSIBLE GEAR INDICATOR CONCERNS. *SLC (NHTSA ID #631259, MARCH 01 2002)
• TSB #010730038 -- SOME CUSTOMERS MAY COMMENT THAT THE SERVICE ENGINE SOON LAMP IS ILLUMINATED, NO 3RD AND 4TH GEAR, THE TRANSMISSION DOES NOT SHIFT CORRECTLY, THE TRANSMISSION FEELS LIKE IT SHIFTS TO NEUTRAL OR A LOSS OF DRIVE OCCURS. *TT (NHTSA ID #628934, DECEMBER 01 2001)
• TSB #010730043 -- SUBJECT REGARDING DIAGNOSTIC TIPS FOR SLIPPING OR MISSING SECOND, THIRD AND/OR FOURTH GEAR. *TT (NHTSA ID #628815, DECEMBER 01 2001)
• TSB #01-601 -- SUBJECT REGARDING INVESTIGATION OF HARSH SHIFTS ON 4L60E AUTOMATIC TRANSMISSION. *TT (NHTSA ID #619762, JUNE 01 2001)
• TSB #010601 -- SUBJECT REGARDING AN INVESTIGATION OF 2-4 BAND OR 3-4 CLUTCH DAMAGE ON 4L60E AUTOMATIC TRANSMISSION. *TT (NHTSA ID #619765, JUNE 01 2001)
• TSB #3259C -- 4L80E, 4L85E WHINE NOISE IN FIRST AND SECOND GEAR. *TT (NHTSA ID #10005514, no date provided)

POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT

• TSB #020730024A -- DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT (NHTSA ID #634999, AUGUST 01 2005)

POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

• TSB #01409 -- THE NVG 136 ALL WHEEL DRIVE (AWD) TRANSFER CASE AND THE 236 AND 246 NVG SELECTABLE TRANSFER CASE SHUDDER ON TURNS. *TT (NHTSA ID #10004212, NOVEMBER 18 2003)
• TSB #020421004 -- SOME CUSTOMERS MAY COMMENT ON THE SERVICE 4WD INDICATOR ILLUMINATING WITH DIAGNOSTIC TROUBLE CODE B2725 SET. *TT (NHTSA ID #634899, APRIL 01 2002)
• TSB #3526 -- INTERMITTENT SERVICE 4WD LIGHT COMES ON WITH DIAGNOSTIC TROUBLE CODE (DTC) C0306 OR C0308 STORED IN TCCM. *TT (NHTSA ID #10016558, no date provided)
• TSB #3424 -- ELECTRONIC TRANSFER CASE UNABLE TO COMPLETE SHIFT. *TT (NHTSA ID #10017299, no date provided)
• TSB #3349 -- 4WD INOPERATIVE AND DIAGNOSTIC TROUBLE CODE (DTC) U1026 ATC FUSE OPEN. *TT (NHTSA ID #10014809, no date provided)
• TSB #3012B -- THE NVG 136 ALL WHEEL DRIVE (AWD) TRANSFER CASE AND THE 236 AND 246 NVG SELECTABLE TRANSFER CASES OPERATING IN THE AUTO MODE MAY EXHIBIT A CONDITION OF A VIBRATION/SHUDDER DURING LOW SPEED TURNS SUCH AS A PARKING LOT MANEUVER, UP TO APPROXI (NHTSA ID #10008806, no date provided)
• TSB #3132A -- NVG149 NP3 TRANSFER CASE MAY EXHIBIT A BIND OR SHUDDER ON TURNS. *TC (NHTSA ID #10010024, no date provided)
• TSB #3389 -- FOUR WHEEL DRIVE INOPERATIVE AND THE 4WD SERVICE LIGHT WILL ILLUMINATE. DIAGNOSIS MAY REVEAL THAT THE ATC FUSE COULD BE OPEN, POSSIBLE DTC C0308, OR VARIOUS U CODES MAY BE SET. THE ENCODER MOTOR MAY ALSO BE SHORTED OR THE TCCM MAY BE DAMA (NHTSA ID #10016707, no date provided)

POWER TRAIN:DRIVELINE

• TSB #3300 -- 4WD MODELS WITH NOISE, VIBRATION ON DRY PAVEMENT. *EH (NHTSA ID #10013572, no date provided)

POWER TRAIN:DRIVELINE:DRIVESHAFT

• TSB #040495001 -- REVISED WHEEL DRIVE SHAFT NUT TORQUE SPECIFICATION. *TT (NHTSA ID #10008653, MARCH 01 2004)

POWER TRAIN:AXLE ASSEMBLY

• TSB #030418003 -- REVISED WHEEL DRIVE SHAFT INNER JOINT AND SEAL REPLACEMENT. *TT (NHTSA ID #10002854, JUNE 01 2003)
• TSB #030417001 -- WHINE NOISE FROM REAR AXLE. *TT (NHTSA ID #10002853, JUNE 01 2003)
• TSB #3364 -- REAR AXLE RETAINER BUTTON BREAKAGE. *EH (NHTSA ID #10014953, no date provided)
• TSB #3001 -- THE SERVICE INFORMATION AND OWNERS MANUAL DO NOT SHOW A SERVICE INTERVAL FOR THE 8.6, 9.5, 9.75, 10.5, AND 11.5 INCH REAR AXLES WITH OR WITHOUT G80 (LOCKING DIFFERENTIAL). *TT 2006 ALL GENERAL MOTORS LIGHT DUTY TRUCKS, VANS AND UTILITIE (NHTSA ID #10008872, no date provided)
• TSB #4030 -- NEW DESIGN FRONT AXLE SIDE BEARING ADJUSTERS. *KB (NHTSA ID #10021676, no date provided)

ELECTRICAL SYSTEM

• TSB #00149D -- MALFUNCTION INDICATOR LAMP ON WITH A P0300 SET AND A MISFIRE. VARIOUS MODELS INCLUDING 1996 - 1999 P32 MODELS. SIT BULLETIN 1416475. *TT (NHTSA ID #10005439, JANUARY 01 2004)
• TSB #00149C -- MALFUNCTION INDICATOR LAMP ON WITH A P0300 SET AND A MISFIRE. VARIOUS MODELS INCLUDING THE 1996-1999 P32 AND THE 1996-2002 GMC C/K TRUCK. *TT (NHTSA ID #10004223, NOVEMBER 18 2003)
• TSB #030525002 -- INTERMITTENT TRACTION OFF LAMP ILLUMINATED AND DIAGNOSTIC TROUBLE CODE C0287 SET. *TT (NHTSA ID #10001265, MARCH 01 2003)
• TSB #010856002A -- SOME VEHICLES MAY EXHIBIT A SECURITY LAMP ILLUMINATED ON THE INSTRUMENT PANEL, ENGINE STALL, NO START CONDITION, AND DIAGNOSTIC TROUBLE CODE B2960. *TT (NHTSA ID #623100, JUNE 01 2001)
• TSB #3359 -- INTERIOR LIGHTS INOPERATIVE AFTER BCM REPLACEMENT B2618 DIAGNOSTIC TROUBLE CODE. *TT (NHTSA ID #10013530, no date provided)

EXTERIOR LIGHTING

• TSB #030864018 -- OUTSIDE REARVIEW MIRROR COURTESY LAMP FALLS OUT, BULB BURNS OUT. *TT (NHTSA ID #10002874, JUNE 01 2003)
• TSB #000842010A -- DAYTIME RUNNING LAMP (DRL) BULB REPLACEMENT. *TT (NHTSA ID #10002833, JUNE 01 2003)

EXTERIOR LIGHTING:FOG LIGHTS

• TSB #3782 -- FOG LAMPS INOPERATIVE. *TT (NHTSA ID #10018627, no date provided)

EXTERIOR LIGHTING:BRAKE LIGHTS

• TSB #020522004B -- TRAILER BRAKES APPLIED WHEN HEADLIGHTS / PARK LAMPS ARE ON, BRAKE CONTROLLER ILLUMINATION. *TT (NHTSA ID #10000171, OCTOBER 01 2002)

VISIBILITY:WINDSHIELD

• TSB #040848003 -- WINDRUSH AROUND WINDSHIELD. *TT (NHTSA ID #10012532, JUNE 01 2004)
• TSB #01698 -- WINDSHIELD REVEAL MOLDING FLUTERING. SERVICE VME. SIT BULLETIN 1450940. *TT (NHTSA ID #10006391, JANUARY 01 2004)

VISIBILITY:GLASS, SIDE/REAR

• TSB #300701 -- CONCERNS WITH SCRATCHES ON THE REAR WINDOW LIFT GLASS CAUSED BY THE REAR WIPER. *TT (NHTSA ID #625176, JULY 30 2001)
• TSB #260701 -- INFORMATION ON THE REAR WINDOW LIFT GATE GLASS. *TT (NHTSA ID #621241, JULY 26 2001)

VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

• TSB #040864003 -- POWER WINDOW MOTOR NOW AVAILABLE SEPARATELY FROM THE POWER WINDOW REGULATORY ASSEMBLY. *TT UPDATED *EH (NHTSA ID #10011144, FEBRUARY 01 2004)
• TSB #01292004 -- BULLETIN 04-08-64-003, FRONT DOOR POWER WINDOW MOTOR ASSEMBLIES - WARRANTY REPAIR INFORMATION. *TT (NHTSA ID #10013030, JANUARY 29 2004)
• TSB #220101 -- SUBJECT REGARDING OUTSIDE POWER MIRROR REPLACEMENT DUE TO VIBRATION CONCERNS. *TT (NHTSA ID #618190, JANUARY 22 2001)
• TSB #121200 -- SUBJECT REGARDING CUSTOMER COMPLAINT OF AN INOPERATIVE REAR POWER WINDOW CONDITION. *TT (NHTSA ID #617781, DECEMBER 12 2000)
• TSB #141100 -- SOME CUSTOMERS MAY COMMENT ON INOPERATIVE REAR POWER WINDOW CONDITION. *TT (NHTSA ID #616412, NOVEMBER 14 2000)
• TSB #241000 -- SUBJECT REGARDING POWER WINDOW FEATURE AND CUSTOMER COMPLAINTS OF AN INOPERATIVE REAR WINDOW CONDITION. *TT (NHTSA ID #617239, OCTOBER 24 2000)
• TSB #101000 -- SOME CUSTOMERS MAY COMMENT ON AN INOPERATIVE ELECTRIC SLIDING SUNROOF, RPO CODE CF5. *TT (NHTSA ID #617664, OCTOBER 10 2000)

VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR

• TSB #050864007 -- OUTSIDE REARVIEW MIRROR HOUSINGS COME LOOSE FROM BASE. *TT (NHTSA ID #10015034, MARCH 01 2005)

VISIBILITY:REAR WINDOW WIPER/WASHER

• TSB #030843002 -- REAR WINDOW WASHER SPRAY NOZZLE DRIPS LEAVING MARK ON REAR BUMPER. *TT 03-08-43-002, DATED 03/01/2003 REPLACED. *TT (NHTSA ID #10001280, SEPTEMBER 01 2004)
• TSB #020843001 -- REAR WIPER JUMPS WHEN THE FOG LAMPS ARE TURNED ON. *TT (NHTSA ID #634587, MARCH 01 2004)

VISIBILITY:DEFROSTER/DEFOGGER SYSTEM

• TSB #010139007 -- SUBJECT REGARDING LOSS OF HVAC SYSTEM MODE AND/OR TEMPERATURE CONTROL. *TT (NHTSA ID #628858, JANUARY 01 2002)
• TSB #211200 -- CUSTOMERS MAY EXPERIENCE INSUFFICIENT HEAT COMING FROM THE REAR HEATER. *TT (NHTSA ID #618147, DECEMBER 21 2000)
• TSB #171000 -- SOME VEHICLES MAY EXHIBIT INSUFFICIENT AMOUNT OF HEAT COMING FROM THE REAR HEATER. *TT (NHTSA ID #617641, OCTOBER 17 2000)

AIR BAGS

• TSB #010941003 -- SUBJECT REGARDING PROCEDURES TO INITIALIZE THE SIR (SUPPLEMENTAL INFLATABLE RESTRAINT) SYSTEMD URING PRE-DELIVERY INSPECTION. *TT (NHTSA ID #619416, APRIL 01 2001)
• TSB #3373 -- SIR LIGHT ON STEADY AFTER BULB TEST AND NO DIAGNOSTIC TROUBLE CODES (DTCS). *TT (NHTSA ID #10013523, no date provided)

SEAT BELTS:FRONT:ANCHORAGE

• TSB #070801 -- CUSTOMERS MAY COMPLAIN OF A RATTLE NOISE COMING FROM THE SECOND ROW SEATBELT. *SLC (NHTSA ID #625338, AUGUST 07 2001)

SEAT BELTS:FRONT:RETRACTOR

• TSB #020940002 -- SOME CUSTOMERS MAY COMMENT THAT THE SECOND ROW SEAT BELT RETRACTOR DOES NOT AUTOMATICALLY LOCK WHEN INSTALLING A CHILD RESTRAINT. *TT (NHTSA ID #634979, JUNE 01 2002)
• TSB #011101 -- ON SOME VEHICLES AS WELL AS CREW CAB PICK-UPS, CUSTOMERS USING A CHILD RESTRAINT ON THE SECOND ROW BENCH SEAT MAY COMMENT THAT EITHER OUTBOARD SEATBELT RETRACTOR, UPON RETRACTION, MAY APPEAR THAT THE BELT DOES NOT AUTOMATICALLY LOCK. *TT (NHTSA ID #628079, NOVEMBER 01 2001)
• TSB #010940001 -- INFORMATION REGARDING REPLACEMENT OF THE FRONT SEAT BELT RETRACTOR AND BUCKLE USAGE. *TT (NHTSA ID #623024, JUNE 01 2001)

STRUCTURE

• TSB #000861001B -- INFORMATION CONTAINING REVISED ASSIST STEP (RUNNING BOARD) INSTALLATION PROCEDURES. *TT (NHTSA ID #623415, MAY 01 2001)
• TSB #000861001A -- INFORMATION PROVIDING REVISED ASSIST STEP (RUNNING BOARD) INSTALLATION PROCEDURE. *TT (NHTSA ID #622965, MARCH 01 2001)
• TSB #3118A -- POP/CLUNK NOISE ON RIGHT OR LEFT TURNS. *TC *SC (NHTSA ID #10009991, no date provided)

STRUCTURE:BODY

• TSB #01760 -- BUZZ NOISE FROM HEADLINER ABOVE DRIVER. *MR (NHTSA ID #10006376, JANUARY 01 2004)
• TSB #030844011 -- TWEETER SPEAKER RATTLE IN FRONT SIDE DOOR(S), TWEETER SPEAKER FALLS OUT OF POSITION. *TT (NHTSA ID #10002945, JULY 01 2003)
• TSB #020849007 -- CENTER CONSOLE LID HARD TO OPEN OR CLOSE. *TT (NHTSA ID #10000072, SEPTEMBER 01 2002)
• TSB #140901 -- SOME VEHICLES EQUIPPED WITH HVAC ELECTRONIC CLIMATE CONTROL MAY EXPERIENCE A BUZZ OR RATTLE FROM THE ROOF OR HEADLINER. *SLC (NHTSA ID #626187, SEPTEMBER 14 2001)
• TSB #00144 -- SOME VEHICLES MAY HAVE LOOSE OR MISSING REAR WHEELHOUSE PLUGS. UNDER CERTAIN VEHICLE OPERATING CONDITIONS, EXHAUST GASES CAN FLOW FORWARD AND ACCUMULATE IN THE REAR WHEELHOUSE. THESE EXHAUST GASES COULD FLOW INTO THE PASSENGER COMPART (NHTSA ID #616384, NOVEMBER 10 2000)
• TSB #00084 -- GENERAL MOTORS HAS DECIDED THAT A DEFECT WHICH RELATES TO MOTOR VEHICLE SAFETY EXISTS IN CERTAIN VEHICLES. SOME OF THESE VEHICLES HAVE LOOSE OR MISSING REAR WHEELHOUSE PLUGS. UNDER CERTAIN VEHICLE OPERATING CONDITIONS, EXHAUST GASES CA (NHTSA ID #617614, NOVEMBER 09 2000)
• TSB #00084 -- GENERAL MOTORS HAS DECIDED THAT A DEFECT WHICH RELATES TO MOTOR VEHICLE SAFETY EXISTS IN CERTAIN VEHICLES. SOME OF THESE VEHICLES HAVE LOOSE OR MISSING REAR WHEELHOUSE PLUGS. UNDER CERTAIN VEHICLE OPERATING CONDITIONS, EXHAUST GASES CA (NHTSA ID #616376, NOVEMBER 01 2000)
• TSB #3118B -- POP CLUCK CLICK NOISE ON RIGHT OR LEFT TURNS. *EH (NHTSA ID #10011756, no date provided)

STRUCTURE:BODY:DOOR

• TSB #010864014A -- SOME CUSTOMERS MAY COMMENT THAT THE MANUAL LOCK LEVER COMES LOOSE FROM THE DOOR TRIM PANEL. *TT (NHTSA ID #634821, JULY 01 2002)
• TSB #010864015 -- INFORMATION REGARDING FRONT AND REAR SIDE ACCESS DOOR NOISE. *YH (NHTSA ID #627471, OCTOBER 01 2001)
• TSB #010864014 -- SUBJECT ON DOOR MANUAL LOCK LEVER DISENGAGES FROM DOOR TRIM PANEL. *YH (NHTSA ID #627425, OCTOBER 01 2001)
• TSB #311000 -- INFORMATION ON AUTOMATIC DOOR LCOK FACTORY SETTING FEATURES. *TT (NHTSA ID #617220, OCTOBER 31 2000)

STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS

• TSB #010864015 -- SUBJECT REGARDING FRONT AND REAR SIDE DOOR ACCESS DOOR NOISE (REPLACE DOOR CHECK LINK). *JG (NHTSA ID #628505, OCTOBER 01 2001)

STRUCTURE:BODY:HOOD

• TSB #3144 -- SUPPLEMENT TO 00-02-35-003F CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL. *SC (NHTSA ID #10010234, JANUARY 01 2004)

LATCHES/LOCKS/LINKAGES:DOORS:LATCH

• TSB #010864014 -- SUBJECT REGARDING DOOR MANUAL LOCK LEVER DISENGAGES FROM DOOR TRIM PANEL (REPAIR LOCK LEVER) *JG (NHTSA ID #628508, OCTOBER 01 2001)

VEHICLE SPEED CONTROL

• TSB #01470 -- ERRATIC IDLE, IDLE SURGE, ROUGH RUN, OR NEAR STALL. *TT (NHTSA ID #10004413, JANUARY 01 2004)

VEHICLE SPEED CONTROL:CRUISE CONTROL

• TSB #3073 -- DOWNHILL CRUISE CONTROL SURGE. *TT (NHTSA ID #10009593, JANUARY 01 2004)

TIRES

• TSB #020310001A -- SPARE TIRE IS DIFFERENT SIZE THAN OTHER TIRES. THIS SERVICE BULLETIN REPLACES 020310001. *EH UPDATE. *TT (NHTSA ID #10012149, JANUARY 01 2005)
• TSB #030310002 -- USE OF CORRECT INSTALLATION PROCEDURE FOR LOOSE HUBCAP ASSEMBLY. THIS SERVICE BULLETIN REPLACES 030310002. *EH (NHTSA ID #10012160, JUNE 01 2004)
• TSB #311000 -- THIS SERVICE VME PERTAINS TO 2001 YUKON DENALI AND YUKON XL DENALI MODEL TRUCKS BUILT AND DESIGNED WITH MICHELIN CROSS TERRAIN P26570R17 ROAD TIRES WITH THE SPARE OF A P26575R16 DIMENSION. *TT (NHTSA ID #616437, OCTOBER 31 2000)

WHEELS

• TSB #050310005 -- HANDLING CHARACTERISTICS OF VEHICLES WITH 20 INCH WHEEL/TIRE ASSEMBLIES INSTALLED. *TT (NHTSA ID #10017339, APRIL 01 2005)
• TSB #3045 -- VARIOUS STEERING OR SUSPENSION CONCERNS AFTER GM ACCESSORIES 20 INCH TIRE/WHEEL ASSEMBLIES HAVE BEEN INSTALLED. *TT (NHTSA ID #10009376, JANUARY 01 2004)

SEATS

• TSB #050850012 -- UNWANTED/LOOSE SEAT MOVEMENT. *TT (NHTSA ID #10017764, OCTOBER 01 2005)

SEATS:FRONT ASSEMBLY:HEAD RESTRAINT

• TSB #02039 -- A DEFECT THAT RELATES TO MOTOR VEHICLE SAFETY EXIST ON CERTAIN VEHICLES EQUIPPED WITH REARWARD FOLDING HEAD RESTRAINTS ON THE SECOND ROW SEATS. PRODUCT SAFETY RECALL CAMPAIGN 02039, REARWARD FOLDING HEAD RESTRAINTS PINCH POINT. GM VOICEMA (NHTSA ID #10009578, OCTOBER 31 2002)
• TSB #09232002 -- SELF-ARTICULATING HEADREST MECHANISM ON THE SECOND ROW SEATS WITH CLEARANCE LESS THAN ALLOWED FOR INADVERTENT INSERTION OF OBJECTS OR EXTREMITIES SMALLER THAN THE INITIAL OPENING. *TT (NHTSA ID #10008622, SEPTEMBER 23 2002)

COMMUNICATIONS:HORN ASSEMBLY

• TSB #3300C -- APPLICATION OF HORN AT HORN PAD INOPERATIVE. RKE FUNCTION FOR PANIC ALARM WORKS. *TT (NHTSA ID #10013378, no date provided)
• TSB #3300 -- HORN INOPERATIVE AT TIMES. *KB (NHTSA ID #10021206, no date provided)

EQUIPMENT

• TSB #3047 -- 99 THROUGH 05 YEAR VEHICLES, EQUIPPED WITH THREE-BUTTON ONSTAR SYSTEMS. *TT (NHTSA ID #10009607, JANUARY 01 2004)
• TSB #3011 -- WHEN USING VOICE RECOGNITION DIALING, SOME NUMBERS OR COMMANDS MAY NOT BE UNDERSTOOD BY THE SYSTEM ESPECIALLY THE NUMBER TWO (2). *TT (NHTSA ID #10008898, JANUARY 01 2004)
• TSB #190901 -- CUSTOMERS MAY COMPLAIN ON CERTAIN MODELS INCLUDING 2002 GMC/CHEV TRUCK C3 AND 2001 CHEVROLET TRUCK C3 THE SECONDARY INFORMATION CENTER SCREEN GOING BLANK AND THE ON/OFF BUTTON NOT RESTORING THE DISPLAY. *SLC (NHTSA ID #626230, SEPTEMBER 19 2001)

EQUIPMENT:ELECTRICAL

• TSB #00372D -- ONSTAR SYSTEM IS ATTEMPTING AND/OR COMPLETING PHONE CALLS WHICH THE OPERATOR OF THE VEHICLE DID NOT INITIATE. *TT (NHTSA ID #10007287, JANUARY 01 2004)
• TSB #191200 -- SUBJECT REGARDING THE PROGRAMMABLE OPERATION OF THE SECONDARY INFORMATION CENTER LOCATED IN THE CENTER CONSOLE. *TT (NHTSA ID #617792, DECEMBER 19 2000)

EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

• TSB #010844008 -- THIS BULLETIN IS BEING ISSUED TO INFORM DEALERS THAT EFFECTIVE WITH VEHICLE PRODUCTION IN MAY 1, 2001, CERTAIN VEHICLES ARE BEING SHIPPED WITH A NEW FLUORESCENT ORANGE PLASTIC ANTENNA WRENCH AS PART OF THE ANTENNA. *TT (NHTSA ID #620816, JULY 01 2001)

EQUIPMENT:ELECTRICAL:AIR CONDITIONER

• TSB #040138010 -- DIAGNOSTIC INFORMATION TO ACCURATELY DIAGNOSE A/C LOW PRESSURE SWITCH USING NEW KENT MOORE SPECIAL TOOL GE-47742. *TT (NHTSA ID #10011190, AUGUST 01 2004)
• TSB #040139007 -- LOSS OF HEATING VENTILATION AIR CONDITIONING. SYSTEM MODE AND OR TEMPERATURE CONTROL. *EH (NHTSA ID #10012175, JUNE 01 2004)
• TSB #00711A -- THE FAN BLOWER MOTOR CONTINUES TO RUN AFTER THE KEY HAS BEEN TURNED OFF OR THE A/C CONTROL HEAD LOCKING UP. *TT (NHTSA ID #10007869, JANUARY 01 2004)
• TSB #01428A -- REAR AIR CONDITIONING HVAC BLOWER MOTOR CONTROL MODULE INFORMATION. SERVICE VME. SIT BULLETIN 1455584. *TT (THIS BULLETIN REPLACES PI01428A DATED 11-18-03). *TT (NHTSA ID #10004172, JANUARY 01 2004)
• TSB #01428B -- REAR AIR CONDITIONING HVAC BLOWER MOTOR CONTROL MODULE INFORMATION. *TT (NHTSA ID #10007279, JANUARY 01 2004)
• TSB #3086 -- AIR CONDITIONER (A/C) LOW PRESSURE SWITCH DIAGNOSTIC TOOL. CURRENTLY THE A/C LOW PRESSURE SWITCH OPEN/CLOSE PRESSURES CANNOT BE ACCURATELY DETERMINED BY MEASURING PRESSURE AT THE LOW SIDE SERVICE PORT. *TT (NHTSA ID #10009509, JANUARY 01 2004)
• TSB #010139004A -- AIR CONDITIONER NOT COLD ENOUGH, AIR CONDITIONER BLOWS WARM AIR WITH VEHICLE AT EXTENDED IDLE. *TT (NHTSA ID #10000729, DECEMBER 01 2002)
• TSB #010139004 -- INFORMATION REGARDING A/C NOT COLD ENOUGH, A/C BLOWS WARM AIR WITH VEHICLE AT EXTENDED IDLE. *YH (NHTSA ID #627802, OCTOBER 01 2001)

EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

• TSB #07012004 -- OIL LIFE SYSTEM RESET PROCEDURES-TRUCKS. BUICK TERAZZA 2005, GMC SIERRA DENALI 2002-2003, GMC B7 CHASSIS MEDIUM DUTY 2003-2005 AND GMC 560 C-SERIES 2003-2005 *SC (NHTSA ID #10014251, JULY 01 2004)

UNKNOWN OR OTHER

• TSB #020604054A -- INCREASED ACCELERATOR PEDAL EFFORT. *TT (NHTSA ID #10000936, JANUARY 01 2003)
• TSB #010856004A -- INFORMATION REGARDING SECURITY LAMP ILLUMINATION ON THE INSTUMENT PANEL, ENGINE STALLS. *YH (NHTSA ID #627635, SEPTEMBER 01 2001)
• TSB #010856004 -- INFORMATION REGARDING SECURITY LAMP ILLUMINATING ON THE INSTRUMENT PANEL, ENGINE STALL, NO START, AND DIAGNOSIC TROUBLE CODE B2960. *SLC (NHTSA ID #625163, AUGUST 01 2001)
• TSB #010856002 -- SOME CUSTOMERS MAY HAVE CONCERNS WITH THE SECURITY LAMP ILLUMINATING WHILE DRIVING; THE SECURITY LAMP MAY BE ON OR OFF; THE ENGINE CRANKS BUT WILL NOT START AND THE SECURITY LAMP IS FLASHING; AND / OR THE ENGINE STARTS THEN STALLS AND THE S (NHTSA ID #619745, MAY 01 2001)
• TSB #300401 -- SUBJECT REGARDING HARSH SHIFTS ON AUTOMATIC TRANSMISSION. *SLC (NHTSA ID #623398, APRIL 30 2001)
• TSB #010864001 -- SOME CUSTOMERS MAY COMMENT THAT THE FRONT FLOOR CARPET IS WET OR HAS A MUSTY ODOR. *JB (NHTSA ID #618076, JANUARY 01 2001)
• TSB #281100 -- SOME VEHICLES EQUIPPED WITH INSTRUMENT PANEL CLUSTERS THAT CONTAIN A MESSAGE CENTER MAY HAVE CUSTOMER COMPLAINTS OF A CHANGE ENGINE OIL LAMP ILLUMINATION. *TT (NHTSA ID #616392, NOVEMBER 28 2000)