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2004 Chevrolet Silverado

2004 Chevrolet Silverado TSBs (Technical Service Bulletins)

There are also 15 Chevrolet recalls » 2 defect investigations » 518 TSBs » for the Chevrolet Silverado.

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 title & date, & either contact your local dealer or click on the links below.

ALSO: The TSB numbers are the NHTSA numbers, which are different from the TSB numbers the manufacturers use to track each bulletin -- yes, it's a very screwed up situation that's almost completely unhelpful to you as the consumer. 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 #000235003 -- CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL. *EH UPDATED *EH UPDATED. *KB (NHTSA ID #10012089, FEBRUARY 01 2007)
• TSB #060232001 -- INCREASED STEERING AND BRAKE EFFORT. *TT (NHTSA ID #10019479, JANUARY 01 2006)
• TSB #03102005 -- STEERING GEAR WHISTLE NOISE ON TURNS. *EH (NHTSA ID #10014845, MARCH 10 2005)
• TSB #0502118002 -- DIAGNOSTIC TROUBLE CODE C0455, SERVICE REAR WHEEL STEERING, SYSTEM JUMPS FROM 4-WHEEL STEER TO 2-WHEEL STEER. *TT (NHTSA ID #10017450, FEBRUARY 01 2005)
• TSB #0502118001 -- QUADRASTEER INTERMITTENT SERVICE 4-WHEEL STEER MESSAGE. *TT (NHTSA ID #10013457, JANUARY 01 2005)
• 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 #01736 -- SERVICE 4 WHEEL STEER MESSAGE WITH DIAGNOSTIC TROUBLE CODE (DTC) C0455. SIT BULLETIN 1459978. *TT (NHTSA ID #10006353, JANUARY 01 2004)
• TSB #01897 -- LACK OF STEERING ASSIST OR SHUDDER DURING PARKING LOT TYPE MANEUVERS. *MR (NHTSA ID #10006428, JANUARY 01 2004)
• TSB #3057 -- INTERMITTENT CONCERN OF THE SERVICE 4 WHEEL STEER MESSAGE BEING DISPLAYED ON THE DIC. *TT (NHTSA ID #10009658, JANUARY 01 2004)
• TSB #01567 -- QUADRASTEER SERVICE UPDATE. SIT BULLETIN 1411394. *TT (NHTSA ID #10005407, JANUARY 01 2004)
• TSB #3057 -- SERVICE 4 WHEEL STEER MESSAGE WITH DIAGNOSTIC TROUBLE CODE C0455. *EH (NHTSA ID #10011757, 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: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:HYDRAULIC POWER ASSIST:PUMP

• TSB #050232008 -- GEAR BOX POWER STEERING PUMP, P/S PERFORMANCE CONCERNS. *NJ (NHTSA ID #10022671, JULY 01 2007)

STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID

• TSB #00823A -- POWER STEERING FLUID LEAKING AT HYDRAULIC BRAKE BOOSTER. *TT (NHTSA ID #10007973, JANUARY 01 2004)

STEERING:ELECTRIC POWER ASSIST SYSTEM

• TSB #01863 -- LACK OF STEERING ASSIST WHEN STOPPED OR DURING PARKING LOT TYPE MANEUVERS. *MR (NHTSA ID #10006616, JANUARY 01 2004)

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 #3009 -- SUSPENSION VIBRATION OR FRAME BEAMING AT 40 - 60 MPH. *KB UPDATED 8/25/08. *PE (NHTSA ID #10021013, MAY 01 2008)
• 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 #010310010 -- INSPECTION OF TIRE AND WHEEL SIZE PRIOR TO DIAGNOSIS OF TRANSMISSION SHIFTS, POOR PERFORMANCE, SPEEDOMETER, CRUISE CONTROL CONCERNS. *KB (NHTSA ID #10021116, JANUARY 01 2007)
• TSB #030310006 -- REFERENCE GUIDE FOR THE TECHNICIAN TO UPGRADE A VEHICLE FROM FACTORY WHEELS AND TIRES TO 20 INCH WHEELS AND TIRES, WHICH ARE AVAILABLE THROUGH GMSPO. *TT (NHTSA ID #10005554, SEPTEMBER 01 2005)
• TSB #020307002 -- REVISED FRONT CASTER AND CAMBER ADJUSTMENT PROCEDURE. ORIGINAL NOT YET RECEIVED. *TT (NHTSA ID #10014945, MARCH 01 2005)
• TSB #010310010C -- INSPECTION OF TIRE AND WHEEL SIZE PRIOR TO DIAGNOSIS OF TRANSMISSION SHIFTS, POOR PERFORMANCE, SPEEDOMETER, CRUISE CONTROL CONCERNS. BULLETIN 01-03-10-010B NOT RECEIVED. *TT (NHTSA ID #628870, SEPTEMBER 01 2004)
• TSB #00313 -- SQUEAK OR CREAK NOISE FROM UNDERBODY OVER BUMPS. *MJ (NHTSA ID #10008867, JANUARY 01 2004)
• TSB #01555 -- D HEIGHT SPECIFICATION MISSING FROM SI. SIT BULLETIN 1410632. *TT (NHTSA ID #10005395, JANUARY 01 2004)
• TSB #3015 -- WHEEL ALIGNMENT SPECS FOR SPRING SPECIAL AND TEXAS TRUCK. *TT (NHTSA ID #10008792, JANUARY 01 2004)
• TSB #030308003 -- SQUEAK NOISE COMING FROM THE FRONT OF THE VEHICLE. *TT (NHTSA ID #10005553, NOVEMBER 01 2003)
• TSB #3009A -- SUSPENSION VIBRATION OR FRAME BEAMING AT 40 -60 MPH. *MJ (NHTSA ID #10008845, no date provided)

SUSPENSION:FRONT

• TSB #990308002A -- FRONT SUSPENSION COIL SPRING NOISE. *TT (NHTSA ID #611289, MAY 01 2004)
• TSB #01712 -- LEFT FRONT OF VEHICLE SITS LOW. SIT BULLETIN 1454860. *TT (NHTSA ID #10006411, JANUARY 01 2004)

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:FRONT:SHOCK ABSORBER

• TSB #01516 -- SQUEAK NOISE EMANATING FROM THE FRONT SHOCK AREA. SIT BULLETIN 1404925. *TT (NHTSA ID #10005467, JANUARY 01 2004)

SUSPENSION:FRONT:CONTROL ARM:UPPER ARM

• TSB #060308002 -- REVISED UPPER CONTROL ARM REPLACEMENT. *TT (NHTSA ID #10019852, MARCH 01 2006)

SUSPENSION:FRONT:CONTROL ARM:LOWER ARM

• TSB #01924 -- FRONT LOWER CONTROL ARM CHANGE. *MR (NHTSA ID #10006501, JANUARY 01 2004)

SUSPENSION:FRONT:WHEEL BEARING

• TSB #3078 -- GREASE LEAK FROM FRONT HUB BEARING. *TT UPDATE. *TT (NHTSA ID #10009621, no date provided)

SUSPENSION:FRONT:HUB

• TSB #609 -- FRONT HUB BEARING GREASE LEAK. *SC (NHTSA ID #10016192, SEPTEMBER 01 2004)

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 #3000A -- REAR AXLE LOCKING DIFFERENTIAL CHATTER SHUDDER NOISE ON TURNS. *MJ (NHTSA ID #10008901, JANUARY 01 2004)
• TSB #3028 -- REPLACEMENT TAILGATE CABLES BIND AT SHOULDER BOLT. *MJ (NHTSA ID #10008797, JANUARY 01 2004)

SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY

• TSB #060417002 -- REAR DRIVE AXLE WHINE NOISE (REPLACE SLIP YOKE ASSEMBLY). *KB (NHTSA ID #10021100, DECEMBER 01 2006)
• TSB #3569 -- SERVICE VME - 8.6 INCH REAR AXLE WHICH EXHIBIT A GEAR WHINE CONDITION (UNTIL DECEMBER 23, 2005). *TT (NHTSA ID #10017308, 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 #040523005 -- AVAILABILITY OF REAR WHEEL MUD FLAPS TO REDUCE DEBRIS BUILD-UP ON REAR BRAKE CALIPERS AND/OR REAR WHEELS. *TT (NHTSA ID #10012141, JUNE 01 2004)
• TSB #02053 -- INFORMATION ON RESURFACING THE PARK BRAKE PORTION OF THE REAR BRAKE ROTOR. *TT (NHTSA ID #10007739, JANUARY 01 2004)
• TSB #3568A -- SERVICE BRAKE BOOSTER MESSAGE. *TT (NHTSA ID #10017092, no date provided)

SERVICE BRAKES, HYDRAULIC:ANTILOCK

• TSB #030525007 -- ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS. *TT (NHTSA ID #10004310, MAY 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)
• TSB #01640 -- ELECTRONIC BRAKE CONTROL MODULE PART RESTRICTION.*MR *MJ (NHTSA ID #10007171, JANUARY 01 2004)

SERVICE BRAKES, AIR

• TSB #3568 -- SERVICE BRAKE BOOSTER MESSAGE. *KB (NHTSA ID #10021133, 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)
• TSB #040525005A -- ANTILOCK BRAKE SYSTEM LIGHT ON SERVICE BRAKE SYSTEM MESSAGE ON DRIVER INFORMATION CENTER. *EH UPDATED *EH (NHTSA ID #10012587, OCTOBER 01 2004)

ENGINE AND ENGINE COOLING

• TSB #030604036 -- INFORMATION ON SERVICING FUEL INJECTORS TO AVOID CONTAMINATION. *EH UPDATED 03-19-07. *KB (NHTSA ID #10012561, OCTOBER 01 2006)
• TSB #050849026 -- LOW OIL PRESSURE MESSAGE DISPLAY AND CHIMES ACTIVATED WHILE DRIVING FOLLOWING HYBRID (HP2) LM7 ENGINE AUTO-START (REPROGRAM THE PCM). *TS (NHTSA ID #10018716, NOVEMBER 01 2005)
• TSB #0509610018 -- ACCESSORY DRIVE BELT CHIRP, SQUEAL, OR SQUEAK TYPE NOISE AT COLD IDLE. *TT (NHTSA ID #10017533, JUNE 01 2005)
• TSB #050604023 -- REVISED DIAGNOSTIC TROUBLE CODE (DTC) P2563. *TT (NHTSA ID #10015007, MARCH 01 2005)
• TSB #050604025 -- REVISED DIAGNOSTIC TROUBLE CODE (DTC) U2104. *TT (NHTSA ID #10015009, MARCH 01 2005)
• TSB #050603001 -- REVISED ENGINE ELECTRICAL AND AUTOMATIC TRANSMISSION - 4L60E/4L65E SUBSECTIONS - NEW CAUTION STATEMENTS ADDED. *TT (NHTSA ID #10014989, MARCH 01 2005)
• TSB #050604024 -- REVISED DIAGNOSTIC TROUBLE CODE (DTC) P1172 AND DTC P2636. *TT (NHTSA ID #10015008, MARCH 01 2005)
• TSB #050090001 -- INFORMATION ON THE PROPER AIR FILTER FOR THE DURAMAX DIESEL. *EH (NHTSA ID #10013446, JANUARY 01 2005)
• TSB #020601023C -- OIL LEAK AT COOLER TO ENGINE BLOCK MATING SURFACE. *EH (NHTSA ID #10012750, NOVEMBER 01 2004)
• TSB #09132004 -- ROUGH IDLE WITH WHITE SMOKE AND HIGH BALANCE RATES. A 1700 1800 LIGHT THROTTLE COMBUSTION NOISE. PARKING LOT SURGE UNDER TEN MILES PER HOUR WITH ENGINE RPM AROUND 800 TO 1000 RPM. THIS ALSO INCLUDES 2004 3500 TRUCKS WITH 6.6 LITER DIESEL EN (NHTSA ID #10011255, SEPTEMBER 13 2004)
• TSB #040604032 -- PROPER METHOD TO SECURE FUEL CAP DURING REFUELING. *EH (NHTSA ID #10012601, MAY 01 2004)
• TSB #040601012 -- RATTLE OR CRACKLING NOISE FROM ENGINE COMPARTMENT. *EH UPDATED 03-07-06. *KB (NHTSA ID #10012591, MAY 01 2004)
• TSB #040604007A -- SERVICE ENGINE SOON (SES) LIGHT, P0087, P0093, P1093, LOW POWER, NO START, HARD START, FUEL IN CRANKCASE. THIS SERVICE BULLETIN REPLACES 040604007. *EH (NHTSA ID #10012594, APRIL 01 2004)
• 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 #3138 -- ACCESSORY DRIVE BELT CHIRP NOISE AT COLD IDLE. *TC (NHTSA ID #10010106, JANUARY 01 2004)
• TSB #02054 -- ELIMINATION OF LOW COOLANT MESSAGE FROM DIC. SERVICE VME. *TT (NHTSA ID #10007740, JANUARY 01 2004)
• TSB #3109 -- ENGINEERING IS INVESTIGATING THE 04 6.6L LB7 INJECTORS FOR CONCERNS OF DTC P1093 AND HIGH RETURN LINE FLOW RATES. *SC (NHTSA ID #10009948, JANUARY 01 2004)
• TSB #02092 -- GURGLE NOISE MAY BE HEARD FROM THE ENGINE COOLANT COMPARTMENT ON TRUCKS BUILT WITH RPO HP2 PARALLEL HYBRID SYSTEM. *TT (NHTSA ID #10007754, JANUARY 01 2004)
• TSB #3121 -- EXHAUST VIBRATION RESONANCE OR MOAN. (2004-2005 GMC DENALI) *SC (NHTSA ID #10010056, JANUARY 01 2004)
• TSB #3121 -- 6.6 LB7 ENGINE WITH A NO CHARGE CONDITION WITH DIAGNOSTIC TROUBLE CODE P0380 P0621. *SC (NHTSA ID #10010187, JANUARY 01 2004)
• TSB #3160 -- GAS ENGINES EXHAUST BUZZ OR RATTLE NOISE. *TC (NHTSA ID #10010041, 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 #3100 -- LOW POWER SERVICE ENGINE SOON/MALFUNCTION INDICATOR LIGHT ON DIAGNOSTIC TROUBLE CODE P0116 AND P0299. *SC (NHTSA ID #10009998, JANUARY 01 2004)
• TSB #02055 -- ENGINE OIL IN THE TURBO CHARGE AIR COOLER PIPES AND HOSES. *TT (NHTSA ID #10007743, JANUARY 01 2004)
• TSB #11062003 -- AIRFLOW SENSOR PROBLEM. *EH (NHTSA ID #10013155, NOVEMBER 06 2003)
• TSB #3639 -- OIL PRESSURE GAUGE READING LOW OR NEAR RED ZONE. *TT (NHTSA ID #10018535, no date provided)
• TSB #3011B -- ENGINE OIL LEAK AT MAIN BERING SIDE BOLT. *EH (NHTSA ID #10010872, no date provided)
• TSB #3238C -- FUEL INJECTOR DRIVER CIRCUIT CODES P0201 THROUGH P0208. THIS ALSO INCLUDES 2004 2005 LLY C2 C3 C4 C5 E4 E5 D4 D5 K2 K3 MODELS. *EH UPDATED *EH (NHTSA ID #10011735, no date provided)
• TSB #3204 -- COOLANT LEAK AT ENGINE MOUNT BOLT. *EH (NHTSA ID #10010663, no date provided)
• TSB #3227 -- BROKEN #2 AND #7 INJECTOR CONNECTOR TERMINALS. THIS ALSO INCLUDES LLY 6.6 C2 C3 C4 C5 K2 K3 D4 D5 E4 E5. *EH (NHTSA ID #10011674, no date provided)
• TSB #3193 -- EXCESSIVE OIL CONSUMPTION. *EH (NHTSA ID #10010647, no date provided)
• TSB #3328A -- SURGE AT IDLE OR 1100 TO 1400 RPM. *EH (NHTSA ID #10014952, no date provided)
• TSB #3187 -- ENGINE LOW POWER WILL NOT GO OVER 2300 RPMS. *EH (NHTSA ID #10010865, no date provided)
• TSB #3380 -- OIL LEAK FROM THE PCV VENT TUBE. *TT (NHTSA ID #10014932, no date provided)
• TSB #3230 -- DIESEL OIL LEAK AT RIGHT REAR OF ENGINE. THIS INCLUDES LLY C2 C3 C4 C5 D4 D5 E4 E5 K2 K3 MODELS. *EH (NHTSA ID #10011689, no date provided)
• TSB #3312 -- NO START, HARD START, LOSS OF POWER, OR WHITE SMOKE. *TT (NHTSA ID #10017208, no date provided)
• TSB #3212A -- FUEL LEAKING FROM BODY OF INJECTOR. THIS ALSO INCLUDES 2004-2005 LLY C2 C3 C4 C5 K2 K3 D4 D5 E4 E5 MODELS. *EH (NHTSA ID #10011584, no date provided)
• TSB #3087 -- CRANK NO START, STALL, HARD START, AND NO CRANKING RPM. *EH (NHTSA ID #10010916, no date provided)
• TSB #3375 -- ROUGH IDLE, SERVICE ENGINE SOON (SES)LIGHT, UNSTABLE IDLE, HESITATION, SURGE OR STALLING. WITH DIAGNOSTIC TROUBLE CODES P0300, P0335 OR P0336. *TT (NHTSA ID #10014923, no date provided)
• TSB #3317 -- HARD START / NO START OUTSIDE TEMPERATURES BELOW FREEZING. *TT (NHTSA ID #10017214, no date provided)
• TSB #3239 -- LB7 ENGINE VIBRATION MISS OR RUNS ROUGH NO DIAGNOSTIC TROUBLE CODE. THIS ALSO INCLUDES LB7 C2 C3 C4 C5 D4 D5 E4 E5 K2 K3. *EH (NHTSA ID #10011743, no date provided)
• TSB #3068B -- TURBO AIR CHARGE COOLER HOSES OIL SEEPAGE OR BLOWS OFF ON ACCELERATION. THIS ALSO INCLUDES 2004-2005 LLY C2 C3 C4 C5 K2 K3 D4 D5 E4 E5 MODELS. *EH (NHTSA ID #10011576, no date provided)
• TSB #3100C -- SES LIGHT DUE TO DTC P0116. *TT (NHTSA ID #10018575, no date provided)
• TSB #3292 -- DIESEL ENGINE BALANCE RATES ALL SHOWING ZERO. *EH (NHTSA ID #10013512, no date provided)
• TSB #3299 -- DIESEL OIL LEAK FROM PCV VENT TUBE. *EH (NHTSA ID #10013563, no date provided)

ENGINE AND ENGINE COOLING:ENGINE

• TSB #05-06-04-047 -- SERVICE ENGINE SOON (SES) LIGHT ON WITH REDUCTION IN ENGINE POWER, DIAGNOSTIC TROUBLE CODES P0202 AND P2146 OR P0207 AND P2149 SET. *TT ADD DTC P1294. INSTALL REVISED 90 DEGREE INJECTOR CONNECTOR WITH HARNESS SUPPORT BRACKET SERVI (NHTSA ID #10017389, APRIL 01 2008)
• TSB #060139002 -- FRONT BLOWER MOTOR INOPERATIVE OR MAY NOT SHUT OFF IN EXTREMELY LOW AMBIENT TEMPERATURE CONDITIONS. *KB (NHTSA ID #10022260, APRIL 01 2007)
• 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 #060604026 -- INTERMITTENT SES/MIL LAMP ILLUMINATED, REDUCED ENGINE POWER, FUEL INJECTOR DRIVER CIRCUIT. DTC'S P0201, P0202, P0203, P0204, P0205, P0206, P0207, P0208. CYLINDER BANK SHUT DOWN DTC'S P2146, OR P2149. *KB (NHTSA ID #10020835, DECEMBER 01 2006)
• TSB #040604001 -- VARIOUS INTERMITTENT DRIVEABILITY CONDITIONS - HESITATION, LACK OF POWER, ETC. *TT (NHTSA ID #10011126, DECEMBER 01 2006)
• TSB #040604007 -- SERVICE ENGINE SOON (SES) LIGHT, P0087, P0093, P1093, LOW POWER, NO START, HARD START, FUEL IN CRANKCASE. *TT (NHTSA ID #10008460, OCTOBER 01 2006)
• TSB #030693001 -- DIAGNOSTIC INFORMATION ON TURBOCHARGER MALFUNCTION DUE TO LACK OF ENGINE OIL FOR LBZ, LB7, AND LLY DURAMAX DIESEL ENGINE. *KB (NHTSA ID #10020839, MAY 01 2006)
• TSB #060601003 -- INFORMATION ON LONGER MAIN BEARING CAP BOLTS REQUIRED FOR CERTAIN 2001-2006 LB7, LLY, LBZ DURAMAX DIESEL ENGINES. *TT (NHTSA ID #10019474, JANUARY 01 2006)
• TSB #050604077 -- LACK OF POWER LU3 ENGINE) AT HIGH AMBIENT TEMPERATURES ONLY (IF NECESSARY, REPROGRAM PCM WITH NEW SERVICE CALIBRATION).*AK (NHTSA ID #10019582, DECEMBER 01 2005)
• TSB #050604063 -- LM7, L59 OR L33 ENGINES WITH COLD START ROUGH OR INCORRECT IDLE, MISFIRE, MALFUNCTION INDICATOR LAMP (MIL) OR FLASHING REQUIRING O2 SENSOR REPLACEMENT. *TT (NHTSA ID #10017760, OCTOBER 01 2005)
• TSB #040604007E -- SERVICE ENGINE SOON (SES) LIGHT, P0087, P0093, P1093, LOW POWER, NO START, HARD START, FUEL IN CRANKCASE. *TT (NHTSA ID #10012150, OCTOBER 01 2005)
• TSB #040604070 -- INFORMATION ON THE REVISED FUEL FILTER FOR THE 6.6L DURAMAX DIESEL. *TT (NHTSA ID #10012715, AUGUST 01 2005)
• TSB #050604029 -- FLEXIBLE FUEL (RPO L59) ROUGH IDLE, MISFIRE, MALFUNCTION INDICATOR LAMP DIAGNOSTIC TROUBLE CODE P0300. *TT (NHTSA ID #10017336, JUNE 01 2005)
• TSB #040602006 -- ENGINE OVERHEATING. *TT (NHTSA ID #10011206, JUNE 01 2005)
• TSB #050601014 -- OIL LEAK UNDER EXTREME COLD TEMPERATURES (-34 DEGREES C) (-30 DEGREES F) OR COLDER). *TT (NHTSA ID #10017409, MAY 01 2005)
• TSB #050604008 -- DIAGNOSTIC TROUBLE CODE (DTC) P1172 OR P2636, FUEL GAUGE READS EMPTY, SERVICE ENGINE SOON (SES) LIGHT ON. *TT (NHTSA ID #10017337, APRIL 01 2005)
• TSB #702 -- DURAMAX AIR FILTER. GM TECH LINKS. *TT (NHTSA ID #10016371, FEBRUARY 01 2005)
• TSB #020601022C -- INFORMATION ON ENGINE TICKING. INCLUDING 2004 CHEVROLET KODIAK C45/C5500 SERIES AND 2004 GMC TOPKICK C4500/C5500 SERIES. *TT UPDATE. *TT (NHTSA ID #10004742, JANUARY 01 2005)
• TSB #040601020 -- ENGINE OIL LEAK NEAR OIL FILTER. *TT (NHTSA ID #10012146, 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 #040604043 -- UNABLE TO RESET ENGINE OIL LIFE MONITOR. *TT (NHTSA ID #10012163, JUNE 01 2004)
• TSB #3025 -- 04 MODEL YEAR 4.8.5.3.7.6.0 GEN III ENGINE PISTON PIN INFORMATION. *MJ (NHTSA ID #10008832, JANUARY 01 2004)
• TSB #01701 -- 4.8 5.3 LM4 LM7 LR4 ENGINE - WITH O2 SENSOR CODES P0135, P0141, P0155, P0161. SIT BULLETIN 1452753. *TT (NHTSA ID #10006395, 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 #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 #00700A -- 4.3L L35 ENGINE WIDE OPEN THROTTLE DIAGNOSTIC TROUBLE CODE (DTC) P0335, P0336, P0339. *TT *MJ (NHTSA ID #10007584, JANUARY 01 2004)
• TSB #01485B -- TIMING CHAIN TENSIONER BREAKPOINTS FOR SERVICE KIT OR PRODUCTION FIX. RATTLE-TYPE NOISE COMING FROM THE ENGINE AT APPROXIMATELY 1800 TO 2200 RPMS. 4.3L LU3 L35 ENGINE. *TT (NHTSA ID #10007272, JANUARY 01 2004)
• TSB #3015 -- 6.0L LQ4 VIN U ENGINE RESTRICTION. *TT (NHTSA ID #10008781, JANUARY 01 2004)
• TSB #3087 -- CRANK NO START WITH NO CRANKING RPM SPARK OR INJECTOR PULSE. *TT (NHTSA ID #10009513, JANUARY 01 2004)
• TSB #00678B -- ENGINE OVERHEATS ON VEHICLES EQUIPPED WITH RPO VYU SNOWPLOW PREP PACKAGE. *TT (NHTSA ID #10007286, JANUARY 01 2004)
• TSB #00609B -- LOW POWER, WILL NOT GO OVER 2300 RPMS. 6.6L LB7 ENGINE. *TT (NHTSA ID #10007527, JANUARY 01 2004)
• TSB #3018 -- ENGINE CYLINDER HEAD CUP PLUG COOLANT LEAK. *MJ (NHTSA ID #10008804, JANUARY 01 2004)
• TSB #01353 -- ENGINE MISFIRE DUE TO INJECTOR FRETTING CORROSION. *TT (NHTSA ID #10007937, 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 #3055 -- SERVICE ENGINE SOON LIGHT WITH A P0300 MISFIRE DUE TO MISFIRES MAINLY ON CYLINDER 7. *TT (NHTSA ID #10009666, JANUARY 01 2004)
• TSB #3011 -- REPEAT ENGINE OIL LEAK AT MAIN BEARING SIDE BOLT. *TT (NHTSA ID #10008780, 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 #01499 -- 2004 6.6L DURAMAX LB7 ENGINES WITH EXTENDED CRANK DURING HOT ENGINE RESTART. DIAGNOSTIC TROUBLE CODE (DTC) P0193 MAY OR MAY NOT BE SET. SIT BULLETIN 1402202. *TT (NHTSA ID #10005481, JANUARY 01 2004)
• TSB #01485A -- TIMING CHAIN TENSIONER BREAKPOINTS FOR SERVICE KIT OR PRODUCTION FIX FOR VEHICLE EXHIBITING RATTLE-TYPE NOISE COMING FROM THE ENGINE AT APPROXIMATELY 1800 TO 2200 RPMS. SIT BULLETIN 1408407. *TT (NHTSA ID #10005445, JANUARY 01 2004)
• TSB #01845 -- NORMAL ENGINE OPERATING NOISE CHARACTERISTICS. *TT (NHTSA ID #10007566, JANUARY 01 2004)
• TSB #01972 -- ERRATIC OIL PRESSURE GMT 610 OR GMT800 WITH CODES P0522 OR P0523. *TT 01972A REPLACED AND UPDATED 01/01/04. *SC (NHTSA ID #10007581, JANUARY 01 2004)
• TSB #3022A -- 04 FULL SIZE TRUCKS AND UTILITIES WITH VIN G, N, T, V AND U ENGINES MAY HAVE A HIGH ALTITUDE, HIGH AMBIENT TEMPERATURE STALL. *TT (NHTSA ID #10009617, JANUARY 01 2004)
• TSB #3004 -- 4.8L 5.3L 6.6L 8.1L P1285 P1286 OR P2133 AFTER REPLACING APP SENSOR. *MJ (NHTSA ID #10008891, JANUARY 01 2004)
• TSB #01774 -- 6.6L LB7 REPEAT ENGINE OIL LEAK (LEFT SIDE) #2 MAIN BEARING CROSS BOLT. *MR (NHTSA ID #10006256, JANUARY 01 2004)
• TSB #00764B -- 6.6L DIESEL ENGINE ROUGH IDLE, CLATTER, STALL AND/OR DIAGNOSTIC TROUBLE CODE (DTC) P1223. *TT (NHTSA ID #10007271, JANUARY 01 2004)
• TSB #01619 -- 6.6 LLY ENGINE GLOW PLUGS ARE NOT INTERCHANGEABLE WITH THE CURRENT 6.6 LB7 GLOW PLUGS.*MR (NHTSA ID #10007183, 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 #02051 -- INTERMITTENT SERVICE ENGINE SOON (SES) LIGHT COMES ON AND CODE P0700 ALONG WITH DIAGNOSTIC TROUBLE CODE P0742 STORED. *TT (NHTSA ID #10007737, JANUARY 01 2004)
• TSB #02029 -- INACCURATE FUEL GAUGE READINGS AND/OR ENGINE STALL. *MR (NHTSA ID #10006934, JANUARY 01 2004)
• TSB #1530076 -- VEHICLES AND HUMMER H2 WITH A HIGH ALTITUDE STALL. *MJ (NHTSA ID #10008787, JANUARY 01 2004)
• TSB #01939 -- 4.3 4.8 5.3 6.0 LR4 LU3 LM7 L59 LQ4 LQ9 ENGINES- EVAP CODE P0442. *MR (NHTSA ID #10006565, JANUARY 01 2004)
• TSB #01275C -- SOME OWNERS OF 03 G-VANS OR 04 C/K TRUCKS DRIVING AT HIGH ALTITUDE WITH WARM AMBIENT TEMPERATURES MAY COMPLAIN OF A STALL AND OR LACK OF POWER OR RUNNING ROUGH CONDITION UNTIL THE VEHICLE COOLS DOWN. *TT (NHTSA ID #10004189, NOVEMBER 18 2003)
• TSB #00634A -- GEN III ENGINE NOISE AFTER HOT SOAK RESTART. *TT (NHTSA ID #10004162, NOVEMBER 18 2003)
• TSB #100903 -- DURAMAX DIESEL FUEL IN OIL DIAGNOSTICS REVISITED. GM VOICEMAIL LOG. THIS INCLUDES C4500 AND 5500 TRUCKS. *TT (NHTSA ID #10004986, OCTOBER 09 2003)
• TSB #100803 -- THE ENGINE DIAGNOSTIC FUEL LEAKS INSIDE OF THE ENGINE. GM VOICEMAIL LOG. THIS INCLUDES 2000 - 2004 CHEVROAND GMC C4500 AND 5500 TRUCKS. *TT (NHTSA ID #10004982, OCTOBER 08 2003)
• TSB #030604054 -- REVISED FUEL INJECTOR BALANCE TEST WITH TECH 2 (AUTOMATIC TRANSMISSION). VARIOUS MODELS INCLUDING 2003-2004 CHEVROLET KODIAK AND GMC TOPKICK. *TT (NHTSA ID #10004316, OCTOBER 01 2003)
• TSB #030604046 -- REVISED ENGINE CRANKS BUT DOES NOT RUN DIAGNOSTIC. *TT (NHTSA ID #10004307, OCTOBER 01 2003)
• TSB #030604053 -- REVISED FUEL INJECTOR BALANCE TEST WITH TECH 2 (MANUAL TRANSMISSION). *TT (NHTSA ID #10004315, OCTOBER 01 2003)
• TSB #030604060 -- INFORMATION ON NEW SPARK PLUGS AND GAPPING. VARIOUS MODELS INCLUDING PONTIAC GTO 2004. *TT (NHTSA ID #10004733, OCTOBER 01 2003)
• TSB #030604045 -- REVISED DIAGNOSTIC TROUBLE CODE (DTC) P0093 OR DTC P1093 DIAGNOSTIC TABLES. *TT (NHTSA ID #10004306, OCTOBER 01 2003)
• TSB #030603001A -- STARTER CRANKS AFTER KEY IS RELEASED (NORMAL CONDITION). *TT (NHTSA ID #10004304, OCTOBER 01 2003)
• TSB #030603008 -- AVOIDING OIL LEVEL SENSOR HARNESS DAMAGE DURING LOWER OIL PAN INSTALLATION. *TT (NHTSA ID #10004373, SEPTEMBER 01 2003)
• TSB #030601023 -- HIGHER THAN EXPECTED OIL CONSUMPTION <8500 GVW. VARIOUS MODELS INCLUDING 2003-2004 CHEVROLET KODIAK (C4500-C5500 SERIES MODELS)AND GMC TOPKICK (C4500-C5500 SERIES MODELS). *TT (NHTSA ID #10004370, AUGUST 01 2003)
• TSB #030603007 -- AVAILABILITY OF STARTER MOTOR SOLENOID IF DAMAGED DURING SERVICE. 2004 CHEVROLET KODIAK C4500/5500 AND GMC TOPKICK C4500/5500 INCLUDED. *TT (NHTSA ID #10004372, AUGUST 01 2003)
• TSB #3056 -- CHECK ENGINE LIGHT WITH A P0300 DUE TO 2-4 CYLINDERS MISFIRING ON THE SAME BANK OF THE ENGINE. *TT (NHTSA ID #10010364, no date provided)
• TSB #3322 -- INCORRECT O2 SENSORS AND WIRING HARNESS CAUSING HO2 SENSOR HEATER CIRCUIT CODES P0135 P0141 P0155 P0161. *TT (NHTSA ID #10017196, no date provided)
• TSB #3394 -- 6.6 LLY INJECTOR DRIVER CODES. MISFIRE, ROUGH RUNNING, AND THE MIL/SES LIGHT ON. *SC (NHTSA ID #10017120, no date provided)
• TSB #3282 -- ENGINE OVERHEAT ON VEHICLES EQUIPPED WITH RPO VYU SNOWPLOW PREP PACKAGE. *TT (NHTSA ID #10013504, no date provided)
• TSB #3048A -- SUPPLEMENT TO 03-06-01-024B 4.3L LU3 L35 TIMING CHAIN TENSIONER. RATTLE-TYPE NOISE COMING FROM THE ENGINE AT APPROXIMATELY 1800 TO 2200 RPMS. *TT (NHTSA ID #10017154, no date provided)
• TSB #3346 -- THERE HAS BEEN A HIGH PERCENTAGE OF NO TROUBLE FOUND (NTF) 6.6 LLY ENGINE CONTROL MODULES (ECMS) BEING RETURNED TO THE WARRANTY PARTS CENTER. THE NO TROUBLE FOUND (NTF) ECMS ARE BEING REPLACED FOR A SPECIFIC LIST OF DIAGNOSTIC TROUBLE CODE (NHTSA ID #10014804, no date provided)
• TSB #3267 -- DIAGNOSTIC TROUBLE CODE P0128 OR ENGINE WILL NOT REACH OPERATING TEMPERATURE. *SC (NHTSA ID #10017155, no date provided)
• TSB #3258 -- 6.6L LLY ENGINE OIL LEAK AT REAR HOUSING COVER BOLT. *TT (NHTSA ID #10017160, no date provided)
• TSB #3343 -- ENGINE OIL DIPSTICK UNSEATED OR OIL LEAK. *TT (NHTSA ID #10017229, no date provided)
• TSB #3556 -- HARD START OR EXTENDED CRANK TIME ON INITIAL COLD START WHEN USING ALCOHOL BLENDED FUELS. *SC (NHTSA ID #10016942, 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)
• TSB #3691B -- GENERATION III V8 ENGINE PISTON REPAIRS. *TT (NHTSA ID #10019426, no date provided)
• TSB #3232 -- 1999 - 2005 GEN II COLD ENGINE MISFIRE AT IDLE WITH POSSIBLE P0171 AND/OR P0174. *TT (NHTSA ID #10014870, no date provided)

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

• TSB #020601027 -- INFORMATION ON HIGHER THAN EXPECTED OIL CONSUMPTION. NLM (NHTSA ID #634283, MAY 01 2005)

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

• TSB #3048 -- TIMING CHAIN TENSIONER BREAKPOINTS FOR SERVICE KIT OR PRODUCTION KIT. SUPPLEMENT TO 03-06-01-024B. *TT (NHTSA ID #10009391, JANUARY 01 2004)
• TSB #01242A -- 6.6L LB7 LLY DIESEL ENGINE DRIVE BELT CHIRPING ON SHUT DOWN. SIT BULLETIN 1460352. *TT (NHTSA ID #10006284, JANUARY 01 2004)

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO-CHARGER

• TSB #10292004 -- THIS IS IN REGARDS TO THE UNNECESSARY CHANGING OF TURBOCHARGERS DUE TO OIL SEEPAGE. *TT (NHTSA ID #10013041, OCTOBER 29 2004)
• TSB #01496 -- 6.6L LB7 DURAMAX DIESEL TURBOCHARGER NOISES OR FUEL ECONOMY COMPLAINT. SERVICE VME. SIT BULLETIN 1401355. *TT (NHTSA ID #10005493, JANUARY 01 2004)
• TSB #01400 -- 6.6L DURAMAX LB7 ENGINES WITH TURBOCHARGER SYSTEM WHINE NOISE. *TT (NHTSA ID #10004204, NOVEMBER 18 2003)
• TSB #100803 -- EXCESSIVE DURAMAX TURBOCHARGER WHINE NOISE OR POSSIBLY A PERFORMANCE OR A FUEL ECONOMY COMPLAINT. GM VOICEMAIL LOG. THIS INCLUDES 2003-2004 4500 AND 5500 TRUCKS. *TT (NHTSA ID #10004983, OCTOBER 08 2003)
• TSB #3348 -- NOISE, SERVICE ENGINE SOON (SES) LIGHT, OR LOW POWER. DEALER MAY FIND TURBINE (EXHAUST SIDE) WHEEL RUB DAMAGE, A BROKEN TURBINE SHAFT, OR TURBO BEARING CONCERN. *TT (NHTSA ID #10014816, no date provided)
• TSB #3068 -- OIL SEEPAGE FROM TURBO AIR CHARGE COOLER HOSES OR HOSE BLOWING OFF DURING ACCELERATION. POSSIBLE DIAGNOSTIC TROUBLE CODE P0299. *TT UPDATED 04-24-07. *KB (NHTSA ID #10009606, no date provided)
• TSB #3401 -- TURBOCHARGER OIL FEED LINE KINKED OR RESTRICTED. *TT (NHTSA ID #10020072, no date provided)

ENGINE AND ENGINE COOLING:ENGINE:DIESEL

• TSB #07057 -- SPECIAL COVERAGE ADJUSTMENT - ENGINE GLOW PLUG ON CERTAIN VEHICLES WITH 6.6L DIESEL V8 (RPO LB7 - VIN 1) ENGINE & CALIFORNIA EMISSIONS (YF5/NE1) OR CLEAN FUEL EMISSIONS (VCL). CSC WAS RECEIVED. *NJ (NHTSA ID #10024154, FEBRUARY 01 2008)
• TSB #070601009 -- DIESEL ENGINE CYLINDER HEAD GASKET MISSING THICKNESS GRADE MARKINGS. *KB (NHTSA ID #10021839, MAY 01 2007)
• TSB #030693001A -- DIAGNOSTIC INFORMATION FOR TURBO FAILURE DUE TO LACK OF OIL OR REPEAT TURBO FAILURES. *TT (NHTSA ID #10004319, AUGUST 01 2005)
• TSB #00968A -- 6.6L LB7 LLY DIESEL ENGINE WITH ROUGH, UNSTABLE, LOW IDLE SPEED OR STALL. *TT (NHTSA ID #10007534, JANUARY 01 2004)
• TSB #01512 -- 6.6 LITER DURAMAX DIESEL ENGINE FUEL KNOCK NOISE. VARIOUS MODELS INCLUDING THE 2004 GMC C4500 AND C5500. SIT BULLETIN 1406247. *TT (NHTSA ID #10005462, JANUARY 01 2004)
• TSB #3328B -- ENGINE RPM SURGE AT 1100 TO 1400 RPM. THIS CONDITION MAY BE NOTICED MORE WHEN TOWING. *TT (NHTSA ID #10017202, no date provided)
• TSB #3225A -- 01-05 6.6 LLY LB7 DURAMAX DIESEL ENGINE AIR FILTER USAGE. *SC (NHTSA ID #10017137, no date provided)
• TSB #3504 -- HARD START HOT ONLY AFTER THE ENGINE HAS REACHED OPERATING TEMPERATURE AND THEN SHUT OFF. *TT (NHTSA ID #10016491, no date provided)
• TSB #3314 -- DURAMAX DIESEL ENGINE HARD START, NO START, STALL OF DIAGNOSTIC TROUBLE CODE P0093, P1093. *TT (NHTSA ID #10017211, no date provided)

ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO-CHARGER

• TSB #001496A -- THIS MESSAGE IS IN REGARD TO DURAMAX TURBOCHARGER NOISES OR POSSIBLY A PERFORMANCE OR FUEL ECONOMY COMPLAINT. SERVICE VME. 6.6 LB7 DIESEL ENGINE. P0102, P0103, P0236. *TT (NHTSA ID #10005513, JANUARY 01 2004)
• TSB #01896 -- 6.6 LLY DURAMAX DIESEL ENGINE TURBOCHARGER LEARN PROCEDURE. *MR (NHTSA ID #10006476, no date provided)

ENGINE AND ENGINE COOLING:COOLING SYSTEM

• TSB #02013 -- COOLANT LEAK FROM HEAD CUP PLUGS ON GEN III ENGINES. *MR (NHTSA ID #10007119, JANUARY 01 2004)
• TSB #3072 -- THE ENGINE COOLANT TEMPERATURE OR INTAKE AIR TEMPERATURE SENSOR MAY READ -40 DEGREES WHEN MONITORED WITH TECH 2. *TT (NHTSA ID #10009622, JANUARY 01 2004)
• TSB #3121 -- EXHAUST VIBRATION RESONANCE OR MOAN IN VEHICLES WITH GEN III V8 ENGINES. *TC (NHTSA ID #10010248, JANUARY 01 2004)
• TSB #10012003 -- BLUEHEAT COOLANT HEATER THERMO TOP C. WEBASTO. *MR (NHTSA ID #10006572, OCTOBER 01 2003)

ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

• TSB #01339 -- HVAC BLOWER MOTOR FAN STAYS ON IN THE HIGH BLOWER POSITION. SERVICE VME. *TT (NHTSA ID #10004110, NOVEMBER 18 2003)

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)
• TSB #020605003C -- EXHAUST MOAN/VIBRATION. *TT UPDATE. *TT (NHTSA ID #10002939, FEBRUARY 01 2004)
• TSB #01531 -- EXHAUST MOAN VIBRATION. SIT BULLETIN 1408514. *TT (NHTSA ID #10005447, JANUARY 01 2004)

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

• TSB #050604021 -- REVISED INSPECTION/MAINTENANCE (I/M) EVAPORATIVE EMISSION (EVAP) SYSTEM SET PROCEDURE. *TT (NHTSA ID #10015005, MARCH 01 2005)

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)

• TSB #PIP3343 -- POSSIBLE ENGINE OIL LEAK DUE TO PCV FREEZE-UP, EQUIPPED WITH THE 4.8, 5.3, 6.0, AND 6.2 V-8 ENGINES. *NJ (NHTSA ID #10024344, FEBRUARY 01 2008)

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

• TSB #3256A -- VEHICLE MAY BE BROUGHT IN FOR SERVICE ENGINE SOON (SES) OR MALFUNCTION INDICATOR LAMP (MIL) LIGHT ON. *TT (NHTSA ID #10017169, no date provided)

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

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

FUEL SYSTEM, GASOLINE

• TSB #3129A -- SMOKE, FUEL KNOCK, SURGING, AND HIGH INJECTOR BALANCE RATES. *TC TO INCLUDE 2005 CHEVROLET KODIAK AND GMC TOPKICK. *TT (NHTSA ID #10009992, JANUARY 01 2004)
• TSB #02029 -- INACCURATE FUEL GAUGE READINGS AND/OR ENGINE STALL. *MR (NHTSA ID #10006934, JANUARY 01 2004)
• TSB #01747 -- LOCKING GAS CAP AVAILABILITY. *MR (NHTSA ID #10006336, JANUARY 01 2004)
• TSB #030604049 -- REVISED FUEL SYSTEM DIAGNOSIS PICKUP. *TT (NHTSA ID #10004311, OCTOBER 01 2003)

FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP

• TSB #01588 -- CHANGE IN GAS CAP TETHER ATTACHMENT POINT. SERVICE VME. SIT BULLETIN 1414321. *TT (NHTSA ID #10005427, JANUARY 01 2004)
• TSB #01332A -- TIGHTEN FUEL CAP MESSAGE ON THE DIC. SIT BULLETIN 1411567. *TT (NHTSA ID #10005408, JANUARY 01 2004)
• TSB #01588A -- FUEL CAP TETHER STRAP TOO SHORT. *TT (NHTSA ID #10007280, JANUARY 01 2004)
• TSB #01332 -- DIC MESSAGE THAT THE FUEL CAP IS NOT ON TIGHT. SERVICE VME. *TT (NHTSA ID #10004107, NOVEMBER 18 2003)

FUEL SYSTEM, GASOLINE:DELIVERY

• TSB #01761B -- FUEL GAUGE DIVERTS TO EMPTY AFTER IDLING ON INCLINE OR REFUELING. *NM (NHTSA ID #10007211, JANUARY 01 2004)

FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

• TSB #3014 -- FUEL SENDER INFORMATION ON TRUCKS WITH 6.6L DIESEL. *TT (NHTSA ID #10008789, JANUARY 01 2004)

FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

• TSB #01678 -- 6.6 LLY DURAMAX DIESEL ENGINES HAVE AN ISSUE WITH THE HIGH PRESSURE FUEL LINES THAT PREVENT THEM FROM ACHIEVING THE PROPER TORQUE UPON REINSTALLATION AFTER A REPAIR. *TT (NHTSA ID #10007241, JANUARY 01 2004)
• TSB #3208 -- CERTAIN 2004 6.6L LLY DURAMAX DIESEL ENGINES MAY HAVE AN ISSUE WITH THE HIGH PRESSURE FUEL LINES THAT PREVENT THEM FROM ACHIEVING THE PROPER TORQUE UPON REINSTALLATION AFTER A REPAIR. *TT (NHTSA ID #10010866, no date provided)

FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

• TSB #3422 -- DURAMAX DIESEL PILOT TO MAIN INJECTION FUEL KNOCK NOISE. *TT (NHTSA ID #10017303, no date provided)

FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS

• TSB #04039 -- SPECIAL POLICY ADJUSTMENT - INJECTORS - REPLACE. *MJ UPDATED 2/21/08. *NJ (NHTSA ID #10007861, NOVEMBER 01 2007)
• TSB #3280 -- RUST FOUND IN THE INJECTOR INLET FILTER DURING INJECTOR REPAIRS. *TT (NHTSA ID #10013502, no date provided)
• TSB #3525 -- SERVICE VMX - DURAMAX INJECTOR WIRING HARNESS SUPPORT BRACKET KIT. *TT (NHTSA ID #10016564, no date provided)
• TSB #3400 -- ROUGH IDLE, FUEL KNOCK OR SMOKE WHILE DRIVING, COMBUSTION LEAK TYPE NOISE, OR A MISFIRE. 6.6 LLY INJECTOR KNOCK, HEAVY SMOKE DURING WARM UP CYCLE. *TT (NHTSA ID #10017129, no date provided)

FUEL SYSTEM, DIESEL

• TSB #1531156 -- PARTS SHOWING NO STOCK OR NOT AVAILABLE. *MJ (NHTSA ID #10008783, JANUARY 01 2004)
• TSB #01989 -- 6.6L LLY DIESEL ENGINE FUELINJECTOR COMPRESSION LEAK NOISE OR SOOT AROUND THE INJECTOR BODY.*MR (NHTSA ID #10007057, JANUARY 01 2004)
• TSB #01495 -- DURAMAX DIESEL FUEL IN OIL DIAGNOSTICS. SERVICE VME. LB7 6.6L ENGINE. SIT BULLETIN 1401353. VARIOUS MODELS INCLUDING 2003 AND 2004 GMC C4500 AND 5500 TRUCKS. *TT (NHTSA ID #10005511, JANUARY 01 2004)
• TSB #3394C -- DURAMAX DIESEL INJECTOR DRIVER CODES. MISFIRE, ROUGH RUNNING, AND THE MALFUNCTION INDICATOR LAMP (MIL) / SERVICE ENGINE SOON (SES) LIGHT ON. *TT (NHTSA ID #10017025, no date provided)

FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY

• TSB #01568 -- HARD TO FILL FUEL TANK AT HIGH VOLUME DIESEL PUMPS. SIT BULLETIN 1411583. *TT (NHTSA ID #10005409, JANUARY 01 2004)

FUEL SYSTEM, OTHER

• TSB #701 -- FUEL FILTER REPLACEMENT. GM TECH LINK. *TT (NHTSA ID #10015762, JANUARY 01 2005)
• TSB #040849019 -- CRANKS BUT NO START, STALL, INACCURATE/INCORRECT FUEL GAUGE READING, NO FUEL, VEHICLE IS OUT OF FUEL AND FUEL GAUGE READS ABOVE EMPTY. *TT THIS BULLETIN REPLACES PREVIOUS BULLETIN NUMBER 04-08-49-019. *TT (NHTSA ID #10011222, AUGUST 01 2004)
• TSB #030604048 -- REVISED FUEL SYSTEM DIAGNOSIS CAB CHASSIS. *TT (NHTSA ID #10004309, APRIL 01 2004)
• TSB #3087 -- UPDATED PART NUMBER FOR BULLETIN 04-08-49-019 STALL, INACCURATE/INCORRECT FUEL GAUGE READING. *TT (NHTSA ID #10009516, JANUARY 01 2004)
• TSB #030604047 -- REVISED FUEL SYSTEM DIAGNOSIS-HIGH PRESSURE SIDE. *TT (NHTSA ID #10004308, OCTOBER 01 2003)
• TSB #3078 -- SOME 2004 FULL SIZE TRUCKS AND UTILITIES MAY EXPERIENCE A DIAGNOSTIC TROUBLE CODE P0442. *TT (NHTSA ID #10010372, no date provided)
• TSB #3491 -- HIGHWAY SPEED EXCESSIVE SMOKE AND FUEL KNOCK. *TT (NHTSA ID #10017016, no date provided)
• TSB #3616 -- SERVICE VME - 2006 DURAMAX DIESEL ENGINE FUEL SYSTEM COMPONENTS ARE NOT INTERCHANGEABLE WITH EARLIER YEAR MODEL VEHICLES. *TT (NHTSA ID #10018560, no date provided)
• TSB #3149 -- FUEL PRESSURE REGULATOR CONNECTOR OR TERMINAL REPAIRS. *TT (NHTSA ID #10010880, no date provided)

FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES

• TSB #3110 -- ERRATIC OIL PRESSURE WITH DIAGNOSTIC TROUBLE CODE'S P0522 AND/OR P0523. *SC (NHTSA ID #10010025, JANUARY 01 2004)

FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM

• TSB #08136 -- ON-BOARD DIAGNOSTICS (OBD)-FUEL LEVEL SENDER-REPROGRAM ENGINE CONTROL MODULE (ECM). CSC WAS RECEIVED. *PE (NHTSA ID #10025326, MAY 01 2008)
• TSB #4150 -- DUAL TANKS FUEL GAUGE DEFAULTS TO EMPTY - NEW CALIBRATIONS. STALL START TANK TRANSFER. VEHICLES WITH 6.6L RPO LB7 OR LLY ENGINES. *KB (NHTSA ID #10020582, OCTOBER 11 2006)
• TSB #040604065 -- ENGINEERING INVESTIGATION (EI #04073) HIGH, LOW OR ERRATIC OIL PRESSURE GAUGE READING SETTING DIAGNOSTIC TROUBLE CODES P0522 AND/OR P0523. 2004 ISUZU W4 ALSO INCLUDED. *TT UPDATE. *TT (NHTSA ID #10011049, OCTOBER 01 2004)
• TSB #01761 -- FUEL GAUGE DIVERTS TO EMPTY AFTER IDLING ON INCLINE. SIT BULLETIN 1459166. *TT (NHTSA ID #10006359, JANUARY 01 2004)
• TSB #02089 -- INACCURATE FUEL GAUGE READINGS AND/OR ENGINE STALL. SERVICE VME. *TT (NHTSA ID #10007789, JANUARY 01 2004)
• TSB #3616A -- FUEL GAUGE INOPERATIVE OR INACCURATE, THE SERVICE ENGINE SOON MALFUNCTION INDICATOR LAMP ON, OR FRONT FUEL TANK IS OVER FILLED WITH FUEL, TO THE TOP OF THE FILLER CAP. *TT (NHTSA ID #10017267, no date provided)
• TSB #3630 -- INACCURATE FUEL GAUGE READINGS/REAR FLOAT ARM STUCK. *TT UPDATED 03-01-07. *KB (NHTSA ID #10019889, no date provided)
• TSB #3630A -- FUEL GAUGE IS INACCURATE OR READS EMPTY ON DIESEL EQUIPPED CHASSIS CAB WITH DUAL TANKS. *TT (NHTSA ID #10017273, no date provided)
• TSB #3616 -- FUEL GAUGE INACCURATE/ DIAGNOSTIC TROUBLE CODE P0461 AND OR P2636/ TRANSFER PUMP WILL NOT SHUT OFF. *TT (NHTSA ID #10017274, no date provided)

POWER TRAIN

• TSB #040731006 -- EXCESSIVE SHIFTER AND/OR ENGINE VIBRATION, BEARING GROWL AND/OR RATTLE TYPE NOISE WHILE DEPRESSING OR RELEASING CLUTCH PEDAL. *TT (NHTSA ID #10011070, DECEMBER 01 2004)
• TSB #08242004 -- BEARING GROWL OR RATTLE TYPE NOISE WHILE DEPRESSING OR RELEASING THE CLUTCH PEDAL. *TT (NHTSA ID #10013097, AUGUST 24 2004)
• TSB #04019 -- 4L80E / 4L85E TRANSMISSION MAY HAVE A CONDITION IN WHICH THE TRANSMISSION OVERDRIVE GEAR SET MAY FAIL DUE TO INADEQUATE LUBRICATION AS A RESULT OF A TRANSMISSION CASTING CHANGE. CUSTOMER SATISFACTION PROGRAM BULLETIN. ALSO TO INCLUDE 2004 (NHTSA ID #10006811, MARCH 01 2004)
• TSB #3092 -- ALLISON LCT 1000 BUZZ NOISE FEEL ON TCC APPLY. *SC (NHTSA ID #10010222, JANUARY 01 2004)
• TSB #3054 -- REPLACEMENT FLEXPLATE MAY HAVE LARGER BOLT HOLES THAN THE ORIGINAL FLEXPLATE. *TT (NHTSA ID #10009665, JANUARY 01 2004)
• TSB #040731001 -- REVISED CLUTCH PRESSURE PLATE ADJUSTMENT. *TT (NHTSA ID #10011131, JANUARY 01 2004)
• TSB #3151 -- ALLISON LCT1000 TRANSMISSION HARD TO REMOVE FROM PARK. *TT (NHTSA ID #10010275, JANUARY 01 2004)
• TSB #3095 -- ALLISON LCT 1000 TRANSMISSION PRNDL INOPERATIVE AND NO COMMUNICATION WITH THE TECH 2 SCAN TOOL. *SC UPDATED *EH (NHTSA ID #10010217, JANUARY 01 2004)
• TSB #02086 -- 4L60E, 4L65E INTERMITTENT NEUTRAL FROM A STOP OR STEADY SPEED. *TT (NHTSA ID #10007782, JANUARY 01 2004)
• TSB #02069 -- ALLISON LCT1000 RANGE INHIBIT AND/OR WILL NOT MOVE. *TT (NHTSA ID #10007766, JANUARY 01 2004)
• TSB #02113 -- INTERMITTENT NO FORWARD OR REVERSE WITH POSSIBLY EITHER A FLASHING PRNDL DISPLAY OR A RANGE SHIFT INHIBITED MESSAGE. *TT (NHTSA ID #10007455, JANUARY 01 2004)
• TSB #01977 -- ALLISON LCT1000 PRNDL FLASH AND/OR WILL NOT MOVE. *TT (NHTSA ID #10007580, JANUARY 01 2004)
• TSB #01716 -- ALLISON LCT1000 TRANSMISSION PRNDL INOPERATIVE AND NO COMMUNICATION WITH THE TECH 2 SCAN TOOL. SIT BULLETIN 1455451. *TT (NHTSA ID #10006248, 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 #00837 -- ALLISON LCT1000 OVERDRIVE DISABLE LAMP INOPERATIVE AFTER INSTALLATION OF INSTRUMENT PANEL (IP). *TT (NHTSA ID #10010254, JANUARY 01 2004)
• TSB #3130 -- ALLISON LCT 1000 PRNDL FLASH AND/OR WILL NOT MOVE. *TC (NHTSA ID #10010079, JANUARY 01 2004)
• TSB #01129A -- ALLISON LCT1000 SERVICEABILITY. *TT (NHTSA ID #10004170, NOVEMBER 18 2003)
• TSB #030730054 -- TRANSMISSION FLUID LEAKS OUT OF VENT WHEN TRUCK IS STARTED AFTER A COLD SOAK. *TT (NHTSA ID #10004744, NOVEMBER 01 2003)
• TSB #080403 -- THIS VME MESSAGE APPLIES TO THE VALVE BODY FOR THE ALLISON SERIES 1000 TRANSMISSION REVISED FOR THE 2004 MODEL YEAR TO ADD MODULATED MAIN PRESSURE CONTROL. THIS REVISION WILL PROVIDE ADDITIONAL TRANSMISSION OIL COOLER FLOW AND REDUCE PUMP (NHTSA ID #10003869, AUGUST 04 2003)
• TSB #990730022A -- SHIFT STABILIZATION AND TOW/HAUL MODE FEATURE FOR HYDRA-MATIC 4L60-E/4L65-E AND 4L80-E/4L85-E TRANSMISSIONS. *TT (NHTSA ID #10002886, JUNE 01 2003)
• TSB #052103 -- ESSENTIAL TOOLS FOR SERVICING THE ALLISON TRANSMISSION. THESE TOOLS INCLUDE A FOUR-WHEEL DRIVE SPANNER NUT WRENCH, REAR BEARING PULLER LEGS, DIGITAL DEPTH MICROMETER AND A REAR BEARING INSTALLER. THESE TOOLS ARE REQUIRED TO REPLACE A CR (NHTSA ID #10003656, MAY 21 2003)
• TSB #3083 -- M74 ALLISON LCT1000 PTO GEAR APPLICATIONS. *TT (NHTSA ID #10009506, no date provided)
• TSB #3105 -- PING, POP, SNAP OR CLICK NOISE FROM THE PROPELLER SHAFT. *TT (NHTSA ID #10017226, no date provided)
• TSB #3205 -- ALLISON LCT1000 PUMP SEPARATOR PLATE CHANGE DISREGARD ADDITIONAL VALVE. *TT (NHTSA ID #10010861, 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 #3260 -- 4L80E/4L85E HARSH SHIFT OR SLIP NO TCC APPLY. *TT (NHTSA ID #10017145, no date provided)
• TSB #3156 -- 261 TRANSFER CASE DRIVELINES GROWL 1100-1200 RPM. *TT (NHTSA ID #10010292, no date provided)
• TSB #3105C -- PING, POP, SNAP, OR CLICK NOISE FROM THE PROPELLER SHAFT. *SC (NHTSA ID #10009978, no date provided)
• TSB #3352 -- SERVICE 4WD LIGHT ON WITH EITHER A VARIETY OF DIAGNOSTIC TROUBLE CODES OR NO COMMUNICATION WITH THE TRANSFER CASE CONTROL MODULE. *TT (NHTSA ID #10014857, no date provided)

POWER TRAIN:CLUTCH ASSEMBLY

• TSB #3870 -- CLUTCH PEDAL FADE OR CLUTCH WILL NOT DISENGAGE TYPICALLY WHEN TOWING. *TT (NHTSA ID #10020238, no date provided)

POWER TRAIN:MANUAL TRANSMISSION

• TSB #00908D -- 6.6L AND MANUAL TRANSMISSION GROWL NOISE WHILE ENGAGING OR DISENGAGING CLUTCH. *TT *MJ (NHTSA ID #10005441, JANUARY 01 2004)
• TSB #00908C -- 6.6L AND MANUAL TRANSMISSION GROWL NOISE WHILE ENGAGING OR DISENGAGING CLUTCH. THESE ARE C/K MODELS. *TT (NHTSA ID #10004409, JANUARY 01 2003)
• TSB #3136 -- SLIP CONDITION IN 2ND, 3RD, OR 4TH. DAMAGED 2-4 OR 3-4 CLUTCH. *KB UPDATED 10/31/07. *NJ (NHTSA ID #10021019, no date provided)
• TSB #4144 -- ALLISON LCT1000 HARSH 3-2, 2-1 DOWNSHIFT, AND ABS MAY ACTIVATE. *KB (NHTSA ID #10022360, no date provided)

POWER TRAIN:AUTOMATIC TRANSMISSION

• TSB #3927 -- ENGINE WITH A REPEAT CRACKED FLYWHEEL. *KB (NHTSA ID #10020489, SEPTEMBER 27 2006)
• TSB #020730004 -- NEW PRODUCT INFORMATION, GRADE BRAKE FEATURE OF ALLISON 1000 SERIES TRANSMISSION. *SLC THIS BULLETIN REPLACES 02-07-30-004. *TT (NHTSA ID #631800, SEPTEMBER 01 2006)
• TSB #050730017 -- 4L60-E/4L65-E AUTOMATIC TRANSMISSION/TORQUE CONVERTER CLUTCH (TCC) SHUDDER, WATER IN TRANSMISSION. *TT (NHTSA ID #10017462, FEBRUARY 01 2006)
• TSB #030730031D -- TRANSMISSION LEAKS, SLIPS, VEHICLE WILL NOT MOVE. *TT (NHTSA ID #10004379, FEBRUARY 01 2006)
• 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 #050730013 -- 4L60-E/4L65-E AUTOMATIC TRANSMISSION SECOND GEAR START, LACK/LOSS OF POWER WHEN ACCELERATING FROM A STOP. *TT (NHTSA ID #10017354, MAY 01 2005)
• TSB #050730002 -- NEW ESSENTIAL TOOL J 45096 23 AUTOMATIC TRANSMISSION OIL COOLER LINE ADAPTER FOR ALLISON TRANSMISSION. *EH (NHTSA ID #10013480, JANUARY 01 2005)
• TSB #030730044 -- INFORMATION ON ALLISON TRANSMISSION SERVICE REPAIRS - FULL SERVICE OF INTERNAL COMPONENTS. *TT (NHTSA ID #10004326, AUGUST 01 2004)
• TSB #020730011 -- SLOW OR NO ENGAGEMENT OF AUTOMATIC TRANSMISSION NO START BLANK PRNDL DISPLAY FLASHING PRNDL DIAGNOSTIC TROUBLE CODE P0708 P0872 P0847 P0875 P1711 P1713 OR U1000 SET. THIS SERVICE BULLETIN REPLACES 020730011. *EH (NHTSA ID #10012151, JUNE 01 2004)
• TSB #04222004 -- RATTLE TYPE NOISE DUE TO A CRACKED FLEX PLATE. GM VOICEMAIL EXPRESS. *TT (NHTSA ID #10009235, APRIL 22 2004)
• TSB #01493 -- ALLISON LCT1000 PRNDL FLASH AND/OR WILL NOT MOVE WITH P0721, P0731, P0732, P0733, P0734, P0743, P0746, P0747, P0776, P0777, P1720, P1721, P1723 AND P1724. *TT (NHTSA ID #10005508, JANUARY 01 2004)
• TSB #01330 -- ALLISON LCT1000 BUZZ, MOAN NOISE AT 1400 RPM WITH THE 8.1 L18 GAS ENGINE. *TT (NHTSA ID #10007606, JANUARY 01 2004)
• TSB #01654 -- SQUAWK OR GRUNT NOISE THAT OCCURS ON THE 2-3 UPSHIFT ON VEHICLES WITH 4L60E - M30, 4L60E M32 TRANSMISSION. *TT (NHTSA ID #10007233, JANUARY 01 2004)
• TSB #00856 -- ALLISON LCT1000 OIL PUMP WHINE, BUZZ ON COLD START. *TT (NHTSA ID #10007815, JANUARY 01 2004)
• TSB #01605 -- ALLISON LCT1000 INTERMITTENT NO REVERSE COLD ONLY.*MR (NHTSA ID #10007174, JANUARY 01 2004)
• TSB #30559 -- ALLISON LCT1000 DIAGNOSTIC TROUBLE CODE P1711, P0872 AFTER COMPLETING REPAIRS. *TT (NHTSA ID #10009674, JANUARY 01 2004)
• TSB #00702 -- SLIP CONDITION IN 2ND, 3RD OR 4TH DAMAGED 2-4 BAND 3-4 CLUTCH ON THE 4L60E/4L65E AUTOMATIC TRANSMISSION. *TT *MJ (NHTSA ID #10005476, JANUARY 01 2004)
• TSB #01343 -- ALLISON LCT1000 DIAGNOSTIC TROUBLE CODE (DTC) P0700 AND NO COMMUNICATION WITH THE TECH 2. *TT (NHTSA ID #10004122, NOVEMBER 18 2003)
• TSB #00557B -- THE ALLISON LCT1000 TRANSMISSIONS MAY EXPERIENCE A LEAK FROM OIL PUMP AREA. *TT (NHTSA ID #10004190, NOVEMBER 18 2003)
• TSB #030730057 -- TRANSMISSION FLUID LEAK FROM FRONT OF TRANSMISSION - TORQUE CONVERTER HOUSING/PUMP AREA. 2500/3500 SERIES MODELS. *TT (NHTSA ID #10005581, NOVEMBER 01 2003)
• TSB #030730056 -- 4L60-E AUTOMATIC TRANSMISSION OIL PUMP FIRST AND SECOND DESIGN IDENTIFICATION. *TT (NHTSA ID #10005566, NOVEMBER 01 2003)
• TSB #030730053 -- ALLISON AUTOMATIC TRANSMISSION VALVE BODY HARDWARE CHANGES. *TT (NHTSA ID #10004747, OCTOBER 01 2003)
• TSB #3170 -- HARSH 1-2 SHIFT. *EH (NHTSA ID #10010577, no date provided)
• TSB #01932 -- ALLISON LCT1000 DARK OR DISCOLORED TRANSMISSION FLUID WITH NO LOSS OF PERFORMANCE. *MR (NHTSA ID #10006495, no date provided)
• TSB #3259C -- 4L80E, 4L85E WHINE NOISE IN FIRST AND SECOND GEAR. *TT (NHTSA ID #10005514, no date provided)
• TSB #3497 -- RANGE INHIBIT AND/OR WILL NOT MOVE. *TT (NHTSA ID #10016523, no date provided)
• TSB #3161 -- ALLISON LCT1000 CLUNK NOISE ON START IN PARK. *EH (NHTSA ID #10010546, no date provided)
• TSB #3243 -- LEAK FROM THE VENT 4L80E/4L85E TRANSMISSION. *EH (NHTSA ID #10011753, no date provided)
• TSB #3438A -- TCC SURGE AND/OR FLUID CONTAMINATION. *TT (NHTSA ID #10017100, no date provided)

POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)

• TSB #PIP3394 -- DURAMAX DIESEL INJECTOR DRIVER CODES WITH 6.6 ENGINE (VIN 2 - RPO LLY). *NJ (NHTSA ID #10024283, FEBRUARY 01 2008)
• TSB #4290 -- ENGINE SURGE OR STALL AT STOP AND/OR DTC P0742 POSSIBLE TCC APPLIED. EQUIPPED WITH ALLISON LCT1000 TRANSMISSION RPO M74 OR MW7. *NJ (NHTSA ID #10023751, DECEMBER 01 2007)
• TSB #01483 -- VEHICLE HAS NO PCM (POWER TRAIN CONTROL MODULE) COMMUNICATION WITH TECH 2. SIT BULLETIN 1400427. *TT (NHTSA ID #10005496, JANUARY 01 2004)
• TSB #01473 -- ALLISON LCT1000 DIAGNOSTIC TROUBLE CODE (DTC) P0700 UNABLE TO COMMUNICATE WITH THE TRANSMISSION CONTROL MODULE (TCM) USING THE TECH 2. *TT (NHTSA ID #10004274, NOVEMBER 18 2003)
• TSB #00938B -- ALLISON LCT1000 REPEAT TRANSMISSION CONTROL MODULE (TCM) FAILURES WITH POSSIBLE MULTIPLE DIAGNOSTIC TROUBLE CODES (DTCS). *TT (NHTSA ID #10004179, NOVEMBER 18 2003)

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)
• TSB #01856 -- ALLISON LCT1000 WILL NOT SHIFT FROM PARK DUE TO ICE, SNOW OR MUD BUILD-UP ON SHIFT LINKAGE. *MR (NHTSA ID #10006712, JANUARY 01 2004)

POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

• TSB #05-04-21-003 -- SERVICE 4WD LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE (DTC) C0374 SET. *TT UPDATED 10/05/07. *NJ INSPECT WIRING HARNESS TO TRANSFER CASE SPEED SENSORS, REPLACE WIRING HARNESS. UPDATED 7/18/08 *PE (NHTSA ID #10017464, JANUARY 01 2008)
• TSB #020421006C -- INOPERATIVE 4WD/AWD LAMPS, INOPERATIVE 4WD/AWD SYSTEM. *TT (NHTSA ID #10004357, MARCH 01 2004)
• TSB #01267A -- SERVICE 4WD LIGHT ON, THE 4WD IS INOPERATIVE AND NO CODES BESIDES U1000 CODES. SERVICE VME. *TT (NHTSA ID #10004104, NOVEMBER 18 2003)
• TSB #01267B -- SERVICE 4WD LIGHT ON NO CODES BESIDES U1000 CODES. SERVICE VME. *TT (NHTSA ID #10004200, NOVEMBER 18 2003)
• TSB #3665 -- 4WD INOPERATIVE AND POSSIBLE DTC C0327 STORED IN THE TRANSFER CASE CONTROL MODULE. *TT (NHTSA ID #10018926, no date provided)
• TSB #3424 -- ELECTRONIC TRANSFER CASE UNABLE TO COMPLETE SHIFT. *TT (NHTSA ID #10017299, no date provided)
• 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 #3351 -- INTERMITTENT MALFUNCTION INDICATOR LAMP (MIL) WITH DIAGNOSTIC TROUBLE CODE (DTC) C0374 OR ERRATIC 4WD/AWD OPERATION. *TT (NHTSA ID #10014853, no date provided)
• TSB #3134B -- SERVICE 4WD INDICATOR ILLUMINATED. *TC WITH DIAGNOSTIC TROUBLE CODE CO327. *TT (NHTSA ID #10010044, no date provided)

POWER TRAIN:DRIVELINE

• TSB #02116 -- HIGHWAY SPEED VIBRATION ON K2500HD 4WD VEHICLES EQUIPPED WITH A 4L80E AUTOMATIC TRANSMISSION. *TT (NHTSA ID #10007447, JANUARY 01 2004)
• 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 #030419001A -- USE OF SYNTHETIC FRONT AXLE LUBRICANT FOR 4WD VEHICLES SOLD IN COLD WEATHER CLIMATES. *TT THIS BULLETIN REPLACED PREVIOUS BULLETIN DATED 10/01/2003. *TT (NHTSA ID #10004717, SEPTEMBER 01 2004)
• TSB #4030 -- NEW DESIGN FRONT AXLE SIDE BEARING ADJUSTERS. *KB (NHTSA ID #10021676, no date provided)
• TSB #3364 -- REAR AXLE RETAINER BUTTON BREAKAGE. *EH (NHTSA ID #10014953, no date provided)
• TSB #3294 -- HIGHWAY SPEED VIBRATION ON SMOOTH SURFACE. *EH (NHTSA ID #10013541, no date provided)
• TSB #3137 -- SERVICE 4WD LIGHT ON AND NO COMMUNICATION WITH TRANSFER CASE CONTROL MODULE. *EH (NHTSA ID #10010612, 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)

POWER TRAIN:AXLE HUBS

• TSB #01222A -- REPEAT REAR AXLE HUB SEAL LEAK. *TT (NHTSA ID #10007278, JANUARY 01 2004)

ELECTRICAL SYSTEM

• TSB #030850014 -- INTERMITTENT NO START, SERVICE STABILITY MESSAGE, ANTI-LOCK BRAKE SYSTEM (ABS) LIGHT ILLUMINATED, MULTIPLE DIAGNOSTIC TROUBLE CODES (DTCS), DIC SHOWS UNKNOWN DRIVER, VARIOUS ELECTRICAL RELATED CONDITIONS. INCLUDES ESCALADE ESV AND EXT MOD (NHTSA ID #10004388, JANUARY 01 2006)
• TSB #040849007 -- PERSONAL TRIP BUSINESS TRIP FEATURE MUST BE ON FOR TRIP ODOMETER TO ACCUMULATE. *EH (NHTSA ID #10012680, MARCH 01 2004)
• TSB #01927 -- A NO CHARGE CONDITION WITH DIAGNOSTIC TROUBLE CODE (DTC) P0380, P0621. *TT (NHTSA ID #10007832, JANUARY 01 2004)
• TSB #01737 -- POOR GROUND CONNECTION CAUSING DIAGNOSTIC TROUBLE CODE (DTC) C0265. SIT BULLETIN 1460187. *TT (NHTSA ID #10006354, JANUARY 01 2004)
• TSB #01999 -- DIAGNOSTIC TROUBLE CODE TIPS- LCT1000 TRANSMISSION. *MR (NHTSA ID #10006960, JANUARY 01 2004)
• TSB #01267F -- SERVICE 4WD LIGHT ON NO CODES BESIDES U1000 CODES OR C0550. *MJ (NHTSA ID #10007624, JANUARY 01 2004)
• TSB #01217B -- ALLISON LCT1000 DIAGNOSTIC TROUBLE CODES (DTC) P1711, P0872 AFTER COMPLETING REPAIRS. *MJ (NHTSA ID #10007666, JANUARY 01 2004)
• TSB #00574A -- ALLISON LCT1000 NO SHIFT, SPEEDOMETER ERRATIC/INOPERATIVE, DIAGNOSTIC TROUBLE CODES (DTCS) P0721, C0237 POSSIBLE ANTI-LOCK BRAKE SYSTEM (ABS) LAMP ON. SI BULLETIN 1408789. *TT (NHTSA ID #10005451, JANUARY 01 2004)
• TSB #3094 -- ALLISON LCT 1000 P1781 OR P0802 SETTING IN THE ELECTRONIC CONTROL MODULE. (2005 CHEVROLET KODIAK AND 2005 GMC TOP KICK) *SC (NHTSA ID #10010243, JANUARY 01 2004)
• TSB #01737A -- POOR GROUND CONNECTION CAUSING DIAGNOSTIC TROUBLE CODE (DTC) C0265. *TT (NHTSA ID #10007312, JANUARY 01 2004)
• TSB #3159 -- INSTRUMENT PANEL CLUSTER PARTS RESTRICTION. *TC (NHTSA ID #10010038, JANUARY 01 2004)
• TSB #01592 -- 2003-2004 GENERATION 5 ONSTAR STEERING WHEEL CONTROL FUNCTION EXPLANATION. SIT BULLETIN 1416474. *TT (NHTSA ID #10005438, JANUARY 01 2004)
• TSB #3010 -- GLOW PLUG CONTROL MODULE LOSS OF COMMUNICATION, POSSIBLE DIAGNOSTIC TROUBLE CODE (DTC) U0106 SET, AND DTC WILL NOT CLEAR. *TT (NHTSA ID #10008807, JANUARY 01 2004)
• TSB #01953 -- ABS AND RED BRAKE MALFUNCTION INDICATOR LIGHT ON WITH NO DIAGNOSTIC TROUBLE CODES. *MR (NHTSA ID #10006917, JANUARY 01 2004)
• TSB #01824 -- 6.6L LLY ENGINE - DIAGNOSTIC TROUBLE CODE (DTC) U0106 RESETS OR WILL NOT CLEAR. *MR (NHTSA ID #10006631, JANUARY 01 2004)
• TSB #3089 -- SERVICE ENGINE SOON LIGHT AND REDUCED ENGINE POWER WITH A DIAGNOSTIC TROUBLE CODE P1516. DIAGNOSTIC TROUBLE CODES P0120, P0220, P1514, P1515, P1518 AND P2135 MAY ALSO BE PRESENT. *TT (NHTSA ID #10009520, no date provided)
• TSB #3357 -- MALFUNCTION INDICATOR LIGHT IS ON AND THE VEHICLE HAS A CODE P0706. *TT (NHTSA ID #10014865, no date provided)
• TSB #3075B -- BLOWN MBEC 1 OR LBEC 1 FUSE. *TT (NHTSA ID #10009599, no date provided)
• TSB #3001 -- NO COMMUNICATION WITH ANY MODULES, MULTIPE U-DIAGNOSTIC TROUBLE CODES (DTCS), INSTRUMENT PANEL CLUSTER (IPC) WARNING INDICATORS. 03-04 CHEVROLET ALL FULL SIZE TRUCKS AND UTILITIES AND 03-04 GMC ALL FULL SIZE TRUCKS AND UTILITIES AND 03-04 (NHTSA ID #10008900, no date provided)
• TSB #3427 -- ADDITIONAL DIAGNOSTIC INFORMATION DTC P0757. *TT (NHTSA ID #10017023, no date provided)
• TSB #3190 -- UNABLE TO LOCATE EMERGENCY LIGHT RELAY AND/OR BLUNT CUT WIRES. *KB (NHTSA ID #10021015, no date provided)
• TSB #3061C -- DIAGNOSTIC TROUBLE CODE C0327 WITH OR WITHOUT ADDITIONAL DIAGNOSTIC TROUBLE CODES SETTING. *TT (NHTSA ID #10010634, no date provided)
• TSB #3155 -- NO SHIFT, SPEEDOMETER ERRATIC/INOPERATIVE, P0721 C0237 P0500 C0055. *TT (NHTSA ID #10014863, no date provided)

ELECTRICAL SYSTEM:BATTERY

• TSB #01250C -- BATTERY OR CHARGE INDICATOR LIGHT REMAINS ON FOR UP TO 30 SECONDS AFTER A COLD START AND ENGINE RUNNING. *TT (NHTSA ID #10007871, JANUARY 01 2004)
• TSB #01060A -- ROOF BEACON SWITCH LEFT ON CAUSING BATTERY DRAW. GMC GMT 800. *MJ 2005 MODELS ADDED. *TT (NHTSA ID #10007670, no date provided)

ELECTRICAL SYSTEM:STARTER ASSEMBLY

• TSB #3084 -- STARTER GRINDING NOISE DURING CRANKING ON VEHICLES EQUIPPED WITH THE ALLISON AUTOMATIC TRANSMISSION. *TT (NHTSA ID #10009510, JANUARY 01 2004)

ELECTRICAL SYSTEM:FUSES AND CIRCUIT BREAKERS

• TSB #3075 -- BLOWN MBEC 1 OR LBEC 1 FUSE. *KB (NHTSA ID #10022766, no date provided)

DIGITAL INSTRUMENT PANEL

• TSB #07187 -- INSTRUMENT PANEL CLUSTER GAUGE NEEDLE FUNCTION MAY CAUSE INACCURATE READINGS ON SOME 2003-2004 CADILLAC, CHEVROLET, AND GMC VEHICLES. *NJ UPDATED 2/5/08. *NJ UPDATED 9/5/08. *PE (NHTSA ID #10023585, NOVEMBER 01 2007)
• TSB #4486 -- ONE OF THE FOLLOWING CONCERNS WHEN PROGRAMMING THE MILEAGE OR THE HOURS INTO AN EXCHANGE INSTRUMENT PANEL CLUSTER THAT IS RECEIVED FROM AN ELECTRONIC SERVICE CENTER (ESC). *NJ (NHTSA ID #10022914, no date provided)

EXTERIOR LIGHTING:HEADLIGHTS

• TSB #3170E -- IPC, INTERIOR LIGHTS AND/OR HEADLAMPS FLICKER. *AK FB2 (NHTSA ID #10019186, no date provided)

EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT

• TSB #070842013 -- TURN SIGNAL IN CAMPER STYLE OUTSIDE REARVIEW MIRROR (RPO DPN) DOES NOT ILLUMINATE TURN SIGNAL FLASH (REPLACE UPPER MIRROR GLASS) *NJ (NHTSA ID #10023217, SEPTEMBER 01 2007)

EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS

• TSB #01946 -- HAZARD LIGHT FLASHES WHEN TURN SIGNAL APPLIED. *MR (NHTSA ID #10006497, JANUARY 01 2004)

EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT

• TSB #01188A -- UNABLE TO LOCATE EMERGENCY LIGHT RELAY AND/OR BLUNT CUT WIRES. *TT (NHTSA ID #10007850, JANUARY 01 2004)

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 #02172004 -- LATCH ON THE REAR QUARTER GLASS IS LOOSE OR HAS BECOME DETACHED FROM THE WINDOW GLASS. GM VOICEMAIL EXPRESS. *TT (NHTSA ID #10009122, FEBRUARY 17 2004)

VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

• TSB #3713 -- DOOR GLASS POPS OUT OF RUN CHANNEL. *KB (NHTSA ID #10021017, SEPTEMBER 27 2006)
• 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 #030864037 -- FRONT POWER WINDOW NOISY OR INOPERATIVE ON VEHICLES LOCATED IN MICHIGAN ONLY. *TT (NHTSA ID #10005594, NOVEMBER 01 2003)
• TSB #3573 -- UNWANTED OPERATION OF REAR WINDOWS. *TT (NHTSA ID #10017277, no date provided)

VISIBILITY:REARVIEW MIRRORS/DEVICES

• TSB #3639 -- SERVICE VME-OUTSIDE REAR VIEW MIRROR INOPERATIVE. *SC (NHTSA ID #10017123, no date provided)

VISIBILITY:REARVIEW MIRRORS/DEVICES:INTERIOR

• TSB #01564 -- INSIDE REARVIEW MIRROR COMPASS INOPERATIVE. SERVICE VME. SIT BULLETIN 1411219. *TT (NHTSA ID #10005403, JANUARY 01 2004)
• TSB #3422 -- INACCURATE OUTSIDE TEMPERATURE READING ON INSIDE REARVIEW MIRROR. *TT (NHTSA ID #10017188, no date provided)

VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR

• TSB #030864010 -- OUTSIDE REARVIEW MIRRORS MAY BLOW IN AT HIGHWAY SPEEDS OR POWER FOLDING FEATURE APPEARS INOPERATIVE. ALSO TO INCLUDE 2005 MODELS. *TT (NHTSA ID #10008512, MAY 01 2004)
• TSB #01804 -- SERVICE VME- OUTSIDE MIRROR GLASS FALLS OUT.*MR (NHTSA ID #10006188, JANUARY 01 2004)
• TSB #02007 -- POWER FOLDING MIRRORS WILL NOT FOLD INWARD.*MR (NHTSA ID #10007063, JANUARY 01 2004)
• TSB #01159A -- OUTSIDE REARVIEW MIRRORS MEMORY OPERATION. SIT BULLETIN 1404207. *TT (NHTSA ID #10005470, JANUARY 01 2004)
• TSB #00993 -- OUTSIDE REARVIEW MIRROR GLASS MAY CRACK. *TT (NHTSA ID #10007826, JANUARY 01 2004)
• TSB #030864028 -- AVAILABILITY OF REPLACEMENT PARTS FOR WIDE LOAD OUTSIDE REARVIEW MIRRORS. *TT (NHTSA ID #10004396, SEPTEMBER 01 2003)
• TSB #3002 -- SERVICE VME - SWITCHING MIRRORS FROM POWER FOLDING TO POWER EXTENDING. *MJ (NHTSA ID #10008899, no date provided)
• TSB #3671 -- SERVICE VME - OUTSIDE REARVIEW MIRROR VIBRATION. *TT (NHTSA ID #10016529, no date provided)

VISIBILITY:WINDSHIELD WIPER/WASHER

• TSB #00844 -- FRONT WINDSHIELD WIPER ARM DOES NOT REMAIN UPRIGHT POSITION AS IT DID ON PRIOR MODELS AND AS A RESULT, CUSTOMER MAY INADVERTENTLY BRAKE THE WIPER ARM TRYING TO EXTEND THE BLADE. *MJ (NHTSA ID #10007515, JANUARY 01 2004)

VISIBILITY:WINDSHIELD WIPER/WASHER:LINKAGES

• TSB #01601 -- WINDSHIELD WIPER ARM LOOSE.*MR (NHTSA ID #10007179, JANUARY 01 2004)

VISIBILITY:DEFROSTER/DEFOGGER SYSTEM

• TSB #01766 -- FOGGING OF WINDOWS IN THE DEFROST MODE. ALSO INCLUDING MODELS: 2003-2004 GMC YUKON XL, DENALI XL, 2003-2004 SIERRA DENALI. *MR (NHTSA ID #10006220, JANUARY 01 2004)

VISIBILITY:DEFROSTER/DEFOGGER SYSTEM:WINDSHIELD:BLOWER

• TSB #040139009 -- HVAC BLOWER MOTOR INOPERATIVE OR STAYS RUNNING. *TT (NHTSA ID #10011191, AUGUST 01 2004)
• TSB #030138015 -- HVAC BLOWER MOTOR MAY RUN CONTINUOUSLY AFTER VEHICLE IS TURNED OFF. *TT (NHTSA ID #10004293, SEPTEMBER 01 2003)
• TSB #3766 -- FRONT BLOWER INOPERATIVE STAY RUNNING DURING LOW AMBIENT TEMPERATURE. *TT (NHTSA ID #10018566, no date provided)
• TSB #3545 -- BLOWER MOTOR INOPERATIVE AT LOW AMBIENT TEMPERATURES. *TT (NHTSA ID #10017132, no date provided)
• TSB #3691A -- FRONT HVAC BLOWER INOPERATIVE. *TT (NHTSA ID #10018623, no date provided)

AIR BAGS

• TSB #040941003 -- PROPER USE OF LABOR OPERATION CODE WHEN DIAGNOSIS LEADS TO SIR PASSENGER PRESENCE SYSTEM REPLACEMENT. *TT (NHTSA ID #10012542, JUNE 01 2004)
• TSB #020941002 -- AIR BAG LAMP ON, PASSENGER AIR BAG INDICATOR ALWAYS READS OFF, DIAGNOSTIC TROUBLE CODE (DTC) B0092 SET. *TT (NHTSA ID #10000080, MARCH 01 2004)
• TSB #00442A -- DUAL STAGE AIR BAG USED IN SINGLE STAGE APPLICATION. *TT (NHTSA ID #10007291, JANUARY 01 2004)
• TSB #4179 -- DUAL STAGE PASSENGER AIR BAG USED IN SINGLE STAGE APPLICATION. *KB (NHTSA ID #10021016, no date provided)
• TSB #3373 -- SIR LIGHT ON STEADY AFTER BULB TEST AND NO DIAGNOSTIC TROUBLE CODES (DTCS). *TT (NHTSA ID #10013523, no date provided)

SEAT BELTS

• TSB #040850011 -- REPAIRING NAPPED SEAT FABRIC. *EH (NHTSA ID #10012127, JULY 01 2004)
• TSB #040850003 -- ENABLING MEMORY SEAT FEATURE VIA DIC IF FEATURE APPEARS INOPERATIVE. *EH (NHTSA ID #10012682, MARCH 01 2004)

STRUCTURE

• TSB #00778A -- BUSINESS TRIP AND/OR PERSONAL TRIP ODOMETER INOPERATIVE. SIT BULLETIN 1460572. *TT (NHTSA ID #10006293, JANUARY 01 2004)
• TSB #01822 -- FRONT DOOR FRAME CONTACTS THE WINDSHIELD REVEAL MOLDING. *MR (NHTSA ID #10006720, JANUARY 01 2004)
• TSB #3128 -- ALL FULL SIZE TRUCKS PICK UP BOX SHEET METAL FRACTURE/DAMAGE WITH AFTERMARKET ACCESSORIES INSTALLED. *SC (NHTSA ID #10009932, JANUARY 01 2004)
• TSB #02052 -- NOISE COMING FROM INSTRUMENT PANEL CLUSTER OR TACHOMETER. *TT (NHTSA ID #10007738, JANUARY 01 2004)

STRUCTURE:BODY

• TSB #610 -- RATTLE TYPE NOISE COMING FROM THE REAR OF THE CAB DURING BODY TWIST MANEUVERS OR OVER BUMPS. GM TECH LINK. *TT (NHTSA ID #10015770, OCTOBER 01 2004)
• TSB #030861002B -- SNAP/POPPING TYPE NOISE COMING FROM FRONT OF VEHICLE. *TT 03-08-61-002B, DATED 05/01/2004 REPLACED. *TT (NHTSA ID #10005172, SEPTEMBER 01 2004)
• TSB #0408111002 -- RAISED SURFACE, DIMPLE IN BODY SIDE MOLDING. *MJ THIS BULLETIN REPLACED PREVIOUS BULLETIN 04-08-111-002, DATED 05/01/2004. *TT (NHTSA ID #10008485, JULY 01 2004)
• TSB #3089 -- RATTLE TYPE NOISE COMING FROM THE REAR OF THE CAB DURING BODY TWIST MANEUVERS OR OVER BUMPS. *TT (NHTSA ID #10009518, JANUARY 01 2004)
• TSB #01936 -- PAINTED BODY SIDE MOLDINGS DIMPLE (RAISED SURFACE). SERVICE VME. *TT (NHTSA ID #10007830, JANUARY 01 2004)
• TSB #3122 -- DIMPLE IN THE BODY SIDE MOLDING. *SC (NHTSA ID #10009960, JANUARY 01 2004)

STRUCTURE:BODY:DOOR

• TSB #3000 -- SERVICE VME - 03 - 04 FULL SIZE TRUCK, UTILITIES AND HUMMER H2 PASSENGER DOOR MODULE INOPERATIVE. *MJ (NHTSA ID #10008896, JANUARY 01 2004)
• TSB #030864029 -- INFORMATION ON REMOVING FRONT DOOR TRIM PANEL TO AVOID BREAKAGE. *TT (NHTSA ID #10004397, SEPTEMBER 01 2003)
• TSB #030864022 -- INFORMATION ON REMOVING THE FRONT DOOR TRIM PANEL DURING SWITCH REMOVAL TO AVOID BREAKAGE. *TT (NHTSA ID #10002947, JULY 01 2003)

STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS

• TSB #3464 -- DOOR HINGE REPLACEMENT KIT. *TT (NHTSA ID #10014808, no date provided)

STRUCTURE:BODY:TAILGATE

• TSB #3227 -- TAILGATE CABLE SLACK. THIS INCLUDES 1998-2006 CHEVROLET AND GMC FULL AND MID SIZE TRUCKS. *EH UPDATED. *KB (NHTSA ID #10011755, OCTOBER 04 2006)
• TSB #04007A -- TAILGATE SUPPORT CABLE. RECALL 04007A. GM PARTS BULLETINS & INFORMATION. *TT UPDATED *EH (NHTSA ID #10010543, OCTOBER 22 2004)

STRUCTURE:BODY:ROOF AND PILLARS

• TSB #3067 -- TINNY RATTLE TYPE NOISE FROM THE ROOF AT HIGHWAY SPEEDS. *TT (NHTSA ID #10009375, JANUARY 01 2004)

LATCHES/LOCKS/LINKAGES

• TSB #01955 -- PASSENGER DOOR MODULE LOCK UP.*MR (NHTSA ID #10007070, JANUARY 01 2004)
• TSB #01790 -- REAR QUARTER GLASS HINGE (LATCH) LOOSE. *MR (NHTSA ID #10006288, JANUARY 01 2004)

VEHICLE SPEED CONTROL

• TSB #01470 -- ERRATIC IDLE, IDLE SURGE, ROUGH RUN, OR NEAR STALL. *TT (NHTSA ID #10004413, JANUARY 01 2004)
• TSB #3155 -- SPEEDOMETER INOPERATIVE. *TC (NHTSA ID #10009987, JANUARY 01 2004)
• TSB #3101 -- ENGINE LOW SPEED ENGINE RPM SURGE. *SC (NHTSA ID #10010071, JANUARY 01 2004)
• TSB #3272 -- DIESEL HESITATION OR THROTTLE DELAY. *SC (NHTSA ID #10017167, no date provided)

VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

• TSB #00786 -- BUZZ NOISE AND VIRBATION IN THE ACCELERATOR PEDAL AT APPROX. 10 MPH ON START UP. *MJ (NHTSA ID #10007714, JANUARY 01 2004)

VEHICLE SPEED CONTROL:CRUISE CONTROL

• TSB #3051 -- CRUISE CONTROL AND/OR THE POWER TAKE OFF UNIT (PTO) MAY BE INOPERATIVE. *TT (NHTSA ID #10009388, JANUARY 01 2004)
• TSB #3073 -- DOWNHILL CRUISE CONTROL SURGE. *TT (NHTSA ID #10009593, JANUARY 01 2004)
• TSB #3673 -- CRUISE CONTROL INOPERATIVE AND/OR MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P0833 STORED. THE CONDITION MAY NOT BE ABLE TO BE DUPLICATED BY THE DEALER YET THE CONSUMER MAY HAVE A REPEAT CONCERN. *AK (NHTSA ID #10019203, no date provided)

TIRES

• TSB #030310006D -- 20 INCH WHEELS AND TIRES AVAILABLE THROUGH GMSPO. *EH *TT (NHTSA ID #10012161, SEPTEMBER 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 #3157 -- EXCESSIVE TIRE SPIN SETTING DIAGNOSTIC TROUBLE CODE C0543. *TC (NHTSA ID #10010018, JANUARY 01 2004)
• TSB #3235 -- 20 INCH WHEELS STOP SELL ON 1500 CREW CAB WITH 5'8' BED. *EH (NHTSA ID #10010654, no date provided)
• TSB #3562 -- BRIDGESTONE DUELER PRODUCT INFORMATION UPDATE. *KB (NHTSA ID #10021010, no date provided)
• TSB #3562A -- BRIDGESTONE DUELER PRODUCT INFORMATION UPDATE. *TT *SC (NHTSA ID #10016866, 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 #3425 -- UNABLE TO PROGRAM TIRE SIZE IN EBCM/VSES. *KB (NHTSA ID #10021075, no date provided)

WHEELS

• TSB #050310005 -- HANDLING CHARACTERISTICS OF VEHICLES WITH 20 INCH WHEEL/TIRE ASSEMBLIES INSTALLED. *TT (NHTSA ID #10017339, APRIL 01 2005)
• TSB #04056 -- 20 INCH PLUS SIZE WHEEL RESTRICTION - SUPPLEMENT TO ACCESSORIES BULLETIN ACC04-056. GM VOICEMAIL EXPRESS. *TT (NHTSA ID #10013858, NOVEMBER 16 2004)
• TSB #10192004 -- 20 INCH PLUS WHEELS ARE NO LONGER TO BE INSTALLED ON THIS BODY STYLE. *EH (NHTSA ID #10013039, OCTOBER 19 2004)
• TSB #01901 -- EXCESSIVE TIRE SPIN SETTING DIAGNOSTIC TROUBLE CODE (DTC) CO542. ALSO INCLUDING 2002, 2003 SIERRA DENALI. *MR (NHTSA ID #10006473, JANUARY 01 2004)
• 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)

WHEELS:CAP/COVER/HUB

• TSB #080603 -- DIFFICULTY WHEN INSTALLING WHEEL CENTER CAPS TO 17-INCH ALUMINUM WHEELS. VME MESSAGE. *TT (NHTSA ID #10003872, AUGUST 06 2003)

TRAILER HITCHES:FIFTH WHEEL ASSEMBLY

• TSB #3343 -- WHY THE CREW CAB SHORT BED (5 FOOT 8 INCH) IS NOT RECOMMENDED FOR FIFTH WHEEL TRAILERING. *TT (NHTSA ID #10013499, no date provided)

SEATS

• TSB #050850012 -- UNWANTED/LOOSE SEAT MOVEMENT. *TT (NHTSA ID #10017764, OCTOBER 01 2005)
• TSB #040850016B -- MEMORY SEAT MAY NOT RETURN TO REQUESTED POSITION. *EH (NHTSA ID #10011232, AUGUST 01 2005)
• TSB #01862 -- DRIVER PERSONALIZATION REGARDING MEMORY SEATS. *MR (NHTSA ID #10006603, JANUARY 01 2004)
• TSB #3025 -- REPAIRING CLOTH SEATS WITH NAPPED FABRIC. *MJ (NHTSA ID #10008794, JANUARY 01 2004)
• TSB #510 -- REPAIRING NAPPED FABRIC-SEATS MAY HAVE BEEN UPHOLSTERED IN NAPPED FABRICS WITH DORCHESTER ON THE BOLSTER AND HONEYCOMB ON THE INSERT. *SC (NHTSA ID #10016226, OCTOBER 01 2003)

SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER

• TSB #708 -- HEATED SEATS TURN OFF. *SC (NHTSA ID #10016457, AUGUST 01 2005)
• TSB #050850008 -- INTERMITTENT HEATED SEATS INOPERATIVE, DIAGNOSTIC TROUBLE CODE B3941 SET. *TT (NHTSA ID #10017380, AUGUST 01 2005)
• TSB #040850007 -- SERVICE INFORMATION FOR FRONT HEATED SEAT INOPERATIVE/COLD. *MJ (NHTSA ID #10008696, MARCH 01 2004)
• TSB #01850 -- DRIVERS OR PASSENGERS HEATED SEATS TURN ON BY THEMSELVES. *MR (NHTSA ID #10006580, JANUARY 01 2004)
• TSB #3287B -- HEATED SEAT INOPERATIVE OR SHUT OFF IN 30 SECONDS. DIAGNOSTIC TROUBLE CODES B2435, B2440, B3606 AND/OR B1825 SET IN THE DRIVERS SEAT MODULE. *TT (NHTSA ID #10018544, no date provided)

SEATS:MID/REAR ASSEMBLY

• TSB #01791 -- REAR SEAT DOES NOT FOLD DOWN INTO THE STOWED POSITION.*MR (NHTSA ID #10006183, JANUARY 01 2004)

INTERIOR LIGHTING

• TSB #4365 -- IPC BACKLIGHTING INOPERATIVE TBC 2A FUSE OPEN. *KB (NHTSA ID #10021673, no date provided)
• TSB #3170E -- IPC, INTERIOR LIGHTS AND/OR HEADLAMPS FLICKER. *AK FB2 (NHTSA ID #10019186, no date provided)

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)

EQUIPMENT

• TSB #050846006A -- INFORMATION ON UPGRADING CERTAIN ONSTAR GENERATION 5 ANALOG/DIGITAL-READY SYSTEMS TO ONSTAR GENERATION 6 DUAL-MODE (ANALOG/DIGITAL). *TT (NHTSA ID #10015018, SEPTEMBER 01 2005)
• TSB #0508132001 -- ACCESSORY POWER OUTLET (APO) TURNS OFF AUTOMATICALLY - PARALLEL HYBRID TRUCK (RPO HP2). *TT (NHTSA ID #10013460, JANUARY 01 2005)
• TSB #030844018A -- REAR SEAT AUDIO (RSA) AND/OR REAR HVAC INOPERATIVE. *TT UPDATE. *TT (NHTSA ID #10004329, JANUARY 01 2005)
• TSB #040852005 -- REMOTE KEYLESS ENTRY (RKE) SYSTEM INOPERATIVE. *TT (NHTSA ID #10012535, JUNE 01 2004)
• TSB #3050A -- 02-05 ONSTAR EQUIPPED VEHICLES EMITTING BEEPING NOISE BEFORE CONNECTING TO ONSTAR. *TT (NHTSA ID #10009623, JANUARY 01 2004)
• TSB #01457 -- FRONT LICENSE PLATE BRACKET. SERVICE VME. *TT (NHTSA ID #10004259, NOVEMBER 18 2003)
• TSB #00843C -- REPLACEMENT (RKE) TRANSMITTER IS INOPERATIVE - SERVICE VME. *TT (NHTSA ID #10004151, NOVEMBER 18 2003)
• TSB #030852005 -- DIAGNOSTIC INFORMATION FOR REPLACEMENT REMOTE KEYLESS ENTRY (RKE) TRANSMITTER INOPERATIVE - UNABLE TO SYNCHRONIZE. *TT (NHTSA ID #10004335, SEPTEMBER 01 2003)
• TSB #3044 -- GENERATION 5 ONSTAR STEERING WHEEL CONTROL FUNCTION. *TT (NHTSA ID #10010363, no date provided)

EQUIPMENT:ELECTRICAL

• TSB #01935 -- PRODUCT INFORMATION ON REAR SLIDER. *MR (NHTSA ID #10006443, JANUARY 01 2004)
• 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)

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

• TSB #01864 -- RADIO CD SKIPS/EJECTS OR CLOCK RESETS TO 12:00. *MR *TT (NHTSA ID #10006615, JANUARY 01 2004)
• TSB #01919 -- REPLACEMENT RADIO READS CAL ERROR, HAS NO AUDIO OR WILL NOT PROGRAM. *TT (NHTSA ID #10006807, JANUARY 01 2004)
• TSB #3106 -- XM RADIO WAS WORKING PRIOR TO JULY 26, 2004 AND IT IS INOPERATIVE NOW. *JB (NHTSA ID #10010132, JANUARY 01 2004)
• TSB #01919A -- REPLACEMENT RADIO READS CAL ERROR, HAS NO AUDIO OR WILL NOT PROGRAM. *TT (NHTSA ID #10007274, JANUARY 01 2004)
• TSB #01849 -- VEHICLES EQUIPPED WITH XM DO NOT HAVE AUDIO, AM, FM WORK CORRECTLY. *MR (NHTSA ID #10006708, JANUARY 01 2004)
• TSB #01958 -- PRODUCT INFORMATION REGARDING RADIO PERSONALIZATION. *MR (NHTSA ID #10006948, JANUARY 01 2004)
• TSB #01759 -- XM RAPID ACTIVATION UTILIZATION. *MR (NHTSA ID #10006302, JANUARY 01 2004)
• TSB #01662 -- XM ERROR ON A RADIO DISPLAY. *TT (NHTSA ID #10007248, JANUARY 01 2004)
• TSB #00573 -- LOW AUDIO OUTPUT FROM SPEAKERS. *MJ (NHTSA ID #10007618, JANUARY 01 2004)
• TSB #01390 -- XM RADIO MUST BE TUNED TO CHANNEL 1 THROUGH 66 DURING ACTIVATION ATTEMPT. 2004 CHEVROLET CANYON, GMC DENALI, GMC COLORADO ALSO INCLUDED. *TT (NHTSA ID #10004195, NOVEMBER 18 2003)

EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

• TSB #3120 -- ONSTAR CENTER UNABLE TO PERFORM REMOTE DIAGNOSTIC. (2004-2005 CHEVROLET YUKON, 2005 CHEVROLET TRAILBLAZER, 2002, 2003, 2005 BUICK RAINIER, 2005 CHEVROLET EXPRESS VAN, AND 2005 CADILLAC SEVILLE) *SC (NHTSA ID #10010109, JANUARY 01 2004)
• TSB #3090 -- UNABLE TO PERFORM SET UP NEW ONSTAR ON VEHICLES WITH GEN 6.05 HARDWARE. *SC (NHTSA ID #10010236, JANUARY 01 2004)
• TSB #3113 -- GEN 6 VEHICLES IN MOUNT AIRY, NC CANNOT CONNECT TO ONSTAR OR EMERGENCY SERVICES. *SC (NHTSA ID #10010199, JANUARY 01 2004)

EQUIPMENT:ELECTRICAL:AIR CONDITIONER

• TSB #050138012 -- EI05082 - LOSS OF BLOWER MOTOR SPEEDS EXCEPT FOR HIGH SPEED OR INOPERATIVE. *TT UPDATED. *KB UPDATED *KB (NHTSA ID #10017373, NOVEMBER 01 2006)
• TSB #040138014 -- HIGH PITCHED TONE HEARD INSIDE VEHICLE WHEN AC COMPRESSOR IS ENGAGED. *EH (NHTSA ID #10012731, OCTOBER 01 2004)
• TSB #040138013 -- HVAC NOT COLD ENOUGH A/C COMPRESSOR DOES NOT ENGAGE . *EH (NHTSA ID #10012727, OCTOBER 01 2004)
• TSB #030138019 -- UNDERHOOD AIR CONDITIONER RATTLE NOISE HEARD ON ACCELERATION OR A SUDDEN LOSS OF AIR CONDITIONER SYSTEM PERFORMANCE. *TT THIS BULLETIN REPLACES 03-01-38-019 DATED 11-01-2003. TO INCLUDE VARIOUS MODLES INCLUDING 2002-2004 COMMERCIAL UP (NHTSA ID #10005551, SEPTEMBER 01 2004)
• 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 #020138007 -- POOR AIR CONDITIONER PERFORMANCE - AIR CONDITIONER WILL NOT BLOW COLD ENOUGH. THIS SERVICE BULLETIN REPLACES 020138007A. *EH (NHTSA ID #10012091, JULY 01 2004)
• TSB #040138008 -- HEAT VENTILATION AND AIR CONDITIONING SYSTEM CANNOT BE CONTROLLED OR DEFAULTS TO DEFROST MODE. *EH (NHTSA ID #10012173, JUNE 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 #3076 -- REPEAT HVAC BLOWER MOTOR FAILURE. *TT (NHTSA ID #10009603, JANUARY 01 2004)
• TSB #01704 -- PROGRAMMING CONTROL HEADS - HVAC AC. *TT (NHTSA ID #10006405, JANUARY 01 200