2003 Gmc Sierra TSBs

INFORMATION ON HIGHER THAN EXPECTED OIL CONSUMPTION.

CUSTOMER SATISFACTION PROGRAM REGARDING ENGINE OIL CONTAMINATION.

CUSTOMER SATISFACTION PROGRAM REGARDING ENGINE OIL CONTAMINATION FOR CERTAIN MODELS INCLUDING THE 2003 GMC MEDIUM DUTY.

This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar...

This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles.

This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar...

This Preliminary Information communication provides information to the technician about vehicles that will not move in forward or reverse.

This Preliminary Information communication provides information to the technician about vehicles that have a Service...

This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles.

This Preliminary Information communication provides information to the technician about vehicles that have not...

GENERAL MOTORS: AN OPTIONAL ENGINE BLOCK HEATER PLUG IN FOR ONBOARD AC POWER AND WITH CONTINUOUS USAGE WILL RESULT IN...

GMC/CHEVROLET: ENGINES, WITH EGR SYSTEM, HAS LEAKAGE FROM EGR COOLER ENGINE COOLANT INTO THE COMBUSTION CHAMBER.

GENERAL MOTORS: INFORMATION PROVIDED BY BULLETIN FOR ALL 2012 AND PRIOR GENERAL MOTOR TRUCKS AND PASSENGER VEHICLES...

GENERAL MOTORS SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.

GM: THE SERVICE ENGINE SOON LIGHT IS ON, THERE IS ALSO A MISFIRE OR ENGINE NOISE.

BUICK/CADILLAC/CHEVROLET/GMC/HUMMER/PONTIAC/SAAB: OIL CONSUMPTION AND/OR EXHAUST SMOKE-POSSIBLE PCV BAFFLE OR LIFTER CONCERN.

GENERAL MOTORS CORP: SPECIAL COVERAGE ADJUSTMENT; ANALOG ONSTAR DEACTIVATION.

POSSIBLE ENGINE OIL LEAK DUE TO PCV FREEZE-UP, EQUIPPED WITH THE 4.8, 5.3, 6.0, AND 6.2 V-8 ENGINES.

CHEVROLET\GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.

ENGINE SURGE OR STALL AT STOP AND/OR DTC P0742 POSSIBLE TCC APPLIED.

DIESEL ENGINE CYLINDER HEAD GASKET MISSING THICKNESS GRADE MARKINGS.

DIAGNOSTIC INFORMATION ON TURBOCHARGER MALFUNCTION DUE TO LACK OF ENGINE OIL FOR LBZ, LB7, AND LLY DURAMAX DIESEL ENGINE.

DUAL TANKS FUEL GAUGE DEFAULTS TO EMPTY - NEW CALIBRATIONS.

TURBOCHARGER OIL FEED LINE KINKED OR RESTRICTED.

LACK OF POWER LU3 ENGINE) AT HIGH AMBIENT TEMPERATURES ONLY (IF NECESSARY, REPROGRAM PCM WITH NEW SERVICE...

INFORMATION ON LONGER MAIN BEARING CAP BOLTS REQUIRED FOR CERTAIN 2001-2006 LB7, LLY, LBZ DURAMAX DIESEL ENGINES.

GENERATION III V8 ENGINE PISTON REPAIRS.

ENGINE OIL LEAK AT REAR COVER ASSEMBLY AREA.

SERVICE VME - 2006 DURAMAX DIESEL ENGINE FUEL SYSTEM COMPONENTS ARE NOT INTERCHANGEABLE WITH EARLIER YEAR MODEL VEHICLES.

POOR ENGINE PERFORMANCE - MISFIRE, ROUGH IDLE, STALLS, ENGINE CRANKS BUT DOES NOT RUN, SERVICE ENGINE SOON/CHECK ENGINE...

OIL LEAK UNDER EXTREME COLD TEMPERATURES (-34 DEGREES C) (-30 DEGREES F) OR COLDER).

DIAGNOSTIC TROUBLE CODE (DTC) P1172 OR P2636, FUEL GAUGE READS EMPTY, SERVICE ENGINE SOON (SES) LIGHT ON.

FLEXIBLE FUEL (RPO L59) ROUGH IDLE, MISFIRE, MALFUNCTION INDICATOR LAMP DIAGNOSTIC TROUBLE CODE P0300.

DURAMAX DIESEL PILOT TO MAIN INJECTION FUEL KNOCK NOISE.

ENGINE OIL DIPSTICK UNSEATED OR OIL LEAK.

DURAMAX DIESEL ENGINE HARD START, NO START, STALL OF DIAGNOSTIC TROUBLE CODE P0093, P1093.

4L60E, 4L65E REPLACEMENT VALVE BODY GASKETS DOES NOT SEEM TO FIT.

DIAGNOSTIC TROUBLE CODE P0128 OR ENGINE WILL NOT REACH OPERATING TEMPERATURE.

SUPPLEMENT TO 03-06-01-024B 4.3L LU3 L35 TIMING CHAIN TENSIONER.

01-05 6.6 LLY LB7 DURAMAX DIESEL ENGINE AIR FILTER USAGE.

OIL LEAK FROM THE PCV VENT TUBE.

ROUGH IDLE, SERVICE ENGINE SOON (SES)LIGHT, UNSTABLE IDLE, HESITATION, SURGE OR STALLING.

STEERING IDLER ARM INSPECTION PROCEDURE.

1999 - 2005 GEN II COLD ENGINE MISFIRE AT IDLE WITH POSSIBLE P0171 AND/OR P0174.

DIESEL OIL LEAK FROM PCV VENT TUBE.

DIESEL ENGINE BALANCE RATES ALL SHOWING ZERO.

ENGINE OVERHEAT ON VEHICLES EQUIPPED WITH RPO VYU SNOWPLOW PREP PACKAGE.

SERVICE ENGINE SOON LIGHT IS ILLUMINATED AND THE VEHICLE MAY NOT START.

BULLETIN 04-08-64-003, FRONT DOOR POWER WINDOW MOTOR ASSEMBLIES - WARRANTY REPAIR INFORMATION.

OIL LEAK AT COOLER TO ENGINE BLOCK MATING SURFACE.

SERVICE ENGINE SOON (SES) LIGHT, P0087, P0093, P1093, LOW POWER, NO START, HARD START, FUEL IN CRANKCASE.

SERVICE ENGINE SOON LIGHT ON WITH DIAGNOSTIC TROUBLE CODE P0446 SET REPLACE CANISTER.

IDLE INSTABILITY, LOW OR ROUGH IDLE WITH ELECTRONIC THROTTLE CONTROL.

SERVICE ENGINE SOON (SES) LIGHT, P0087, P0093, P1093, LOW POWER, NO START, HARD START, FUEL IN CRANKCASE.

LB7 ENGINE VIBRATION MISS OR RUNS ROUGH NO DIAGNOSTIC TROUBLE CODE.

ENGINE LOW OIL LIGHT ON THE DIC.

ENGINE OVERHEATING. *TT

HVAC BLOWER MOTOR INOPERATIVE OR STAYS RUNNING.

POWER WINDOW MOTOR NOW AVAILABLE SEPARATELY FROM THE POWER WINDOW REGULATORY ASSEMBLY.

EXCESSIVE SHIFTER AND/OR ENGINE VIBRATION, BEARING GROWL AND/OR RATTLE TYPE NOISE WHILE DEPRESSING OR RELEASING CLUTCH PEDAL.

ENGINE OIL LEAK AT MAIN BERING SIDE BOLT.

ENGINE LOW POWER WILL NOT GO OVER 2300 RPMS.

ALLISON LCT1000 PUMP SEPARATOR PLATE CHANGE DISREGARD ADDITIONAL VALVE.

EXCESSIVE OIL CONSUMPTION.

CHECK ENGINE LIGHT WITH A P0300 DUE TO 2-4 CYLINDERS MISFIRING ON THE SAME BANK OF THE ENGINE.

EXHAUST VIBRATION RESONANCE OR MOAN IN VEHICLES WITH GEN III V8 ENGINES.

P0420 AND P0430 DTSC IN THE DETROIT, MICHIGAN AREA WITH GEN III V-8 ENGINES.

6.6 LB7 ENGINE WITH A NO CHARGE CONDITION WITH DIAGNOSTIC TROUBLE CODE P0380 P0621.

ENGINEERING INVESTIGATION - CATALYTIC CONVERTER REPLACEMENT.

GEN III ENGINE COATED PISTON INFORMATION.

GAS ENGINES EXHAUST BUZZ OR RATTLE NOISE.

SERVICE ENGINE SOON LIGHT WITH A P0300 MISFIRE DUE TO MISFIRES MAINLY ON CYLINDER 7.

ENGINE TICK, RATTLE OR KNOCK NOISE AFTER CYLINDER HEAD GASKET REPLACEMENT ON THE 6.0L ENGINE.

THE ENGINE COOLANT TEMPERATURE OR INTAKE AIR TEMPERATURE SENSOR MAY READ -40 DEGREES WHEN MONITORED WITH TECH 2.

REPEAT HVAC BLOWER MOTOR FAILURE.

SERVICE ENGINE SOON LIGHT AND REDUCED ENGINE POWER WITH A DIAGNOSTIC TROUBLE CODE P1516.

WHISTLE NOISE FROM THE THROTTLE BODY AREA ON LIGHT THROTTLE ACCELERATION ON VEHICLES WITH GEN III ENGINES AND ELECTRONIC THROTTLE.

LESS THAN DESIRABLE AC PERFORMANCE, ESPECIALLY WHEN THE AMBIENT TEMPERATURE IS ABOVE 90 DEGREES ON VEHICLES EQUIPPED WITH THE DURAMAX DIESEL ENGINE.

TIMING CHAIN TENSIONER BREAKPOINTS FOR SERVICE KIT OR PRODUCTION KIT.

SERVICE ENGINE SOON LIGHT AND / OR REDUCED ENGINE POWER MODE DUE TO DIAGNOSTIC TROUBLE CODES P0120, P0220, P1516 AND/OR P1518.

SERVICE ENGINE SOON LIGHT AND / OR REDUCED ENGINE POWER MODE DUE TO DIAGNOSTIC TROUBLE CODES P0120, P0220, P1516 AND/OR P1518.

GM IS ANNOUNCING A PRODUCT EMISSION RECALL, NUMBER 04016.

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...

ENGINE CYLINDER HEAD CUP PLUG COOLANT LEAK.

6.0L LQ4 VIN U ENGINE RESTRICTION.

REPEAT ENGINE OIL LEAK AT MAIN BEARING SIDE BOLT.

CONTACTING TAC PRIOR TO REPLACEMENT OF AN ENGINE CONTROL MODULE (ECM).

SERVICE ENGINE SOON (SES) LIGHT, P0087, P0093, P1093, LOW POWER, NO START, HARD START, FUEL IN CRANKCASE.

ENGINE MISFIRE DUE TO INJECTOR FRETTING CORROSION.

OIL PAN OR OIL COOLER LINE LEAK ON GEN III V-8 ENGINES EQUIPPED WITH AN OIL COOLER.

BATTERY OR CHARGE INDICATOR LIGHT REMAINS ON FOR UP TO 30 SECONDS AFTER A COLD START AND ENGINE RUNNING.

HIGHER THAN EXPECTED OIL CONSUMPTION EVEN AFTER THE INTAKE BOLTS WERE REPLACED PER 02-06-01-035.

INACCURATE FUEL GAUGE READINGS AND/OR ENGINE STALL.

INTERMITTENT SERVICE ENGINE SOON (SES) LIGHT COMES ON AND CODE P0700 ALONG WITH DIAGNOSTIC TROUBLE CODE P0742 STORED.

ENGINE COOLANT LEAK AT INTAKE GASKET.

8.1L CHANGES IN HEADS, BOLTS AND GASKET FOR FOR 2004 1/2 ENGINES.

4.3L L35 ENGINE-DIAGNOSTIC TROUBLE CODE P0300 BUT NO MISFIRE CAN FELT.

INFORMATION ON ENGINE TICKING.

ALLISON LCT1000 BUZZ, MOAN NOISE AT 1400 RPM WITH THE 8.1 L18 GAS ENGINE.

LOSS OF POWER, HESITATES ON ACCELERATION ON 4.8, 5.3 AND 6.0 ENGINES COUPLED WITH THE 4L60E OR 4L65E TRANSMISSION.

4.3L L35 ENGINE WIDE OPEN THROTTLE DIAGNOSTIC TROUBLE CODE (DTC) P0335, P0336, P0339.

ROLL-OUT FOR THE GEN III SMALL BLOCK ENGINES WITH IRIDIUM SPARK PLUGS.

6.6L LB7 LLY DIESEL ENGINE WITH ROUGH, UNSTABLE, LOW IDLE SPEED OR STALL.

LOW POWER, WILL NOT GO OVER 2300 RPMS.

ENGINE OVERHEATS ON VEHICLES EQUIPPED WITH RPO VYU SNOWPLOW PREP PACKAGE.

TIMING CHAIN TENSIONER BREAKPOINTS FOR SERVICE KIT OR PRODUCTION FIX.

6.6L DIESEL ENGINE ROUGH IDLE, CLATTER, STALL AND/OR DIAGNOSTIC TROUBLE CODE (DTC) P1223.

GEN III ENGINES WITH MAF (MASS AIRFLOW) SENSOR CODE P0101.

VIBRATION FROM ENGINE MOUNT BRACKET.

BLOWER MOTOR OPERATES ON HIGH ONLY.*MR

COOLANT LEAK FROM HEAD CUP PLUGS ON GEN III ENGINES.

INACCURATE FUEL GAUGE READINGS AND/OR ENGINE STALL.

ANTI-LOCK BRAKING SYSTEM (ABS) LIGHT ON AND THE ABS PUMP MOTOR CONTINUES TO RUN.

6.6L LB7 LLY DIESEL ENGINE DRIVE BELT CHIRPING ON SHUT DOWN.

6.6L LB7 REPEAT ENGINE OIL LEAK (LEFT SIDE) #2 MAIN BEARING CROSS BOLT.

6.6L LB7 ENGINE - FUEL RAIL PRESSURE REGULATOR HARNESS CONNECTOR SERVICING.

TRANSMISSION OIL LEAK, ABNORMAL KNOCKING NOISE HEARD AT IDLE.

ADVANCE SERVICE INFORMATION - EXHAUST SYSTEM POPPING/SNAPPING NOISE WHEN VEHICLE IS HOT, AT IDLE OR IMMEDIATELY AFTER VEHICLE IS SHUT OFF.

THIS MESSAGE IS IN REGARD TO DURAMAX TURBOCHARGER NOISES OR POSSIBLY A PERFORMANCE OR FUEL ECONOMY COMPLAINT.

DURAMAX DIESEL FUEL IN OIL DIAGNOSTICS.

ALLISON LCT1000 KNOCK NOISE AND POSSIBLE LEAK FROM THE TORQUE CONVERTER AREA.

6.6L LB7 DIESEL ENGINE RECAPPING TOOL FOR FUEL SYSTEM HIGH-PRESSURE SIDE DIAGNOSIS.

TIMING CHAIN TENSIONER BREAKPOINTS FOR SERVICE KIT OR PRODUCTION FIX.

6.6L LB7 DURAMAX DIESEL TURBOCHARGER NOISES OR FUEL ECONOMY COMPLAINT.

2004 6.6L DURAMAX LB7 ENGINES WITH EXTENDED CRANK DURING HOT ENGINE RESTART.

ENGINE WHISTLE NOISE.

6.6 LITER DURAMAX DIESEL ENGINE FUEL KNOCK NOISE.

TIMING CHAIN TENSIONER BREAKPOINTS FOR SERVICE KIT OR PRODUCTION FIX FOR VEHICLE EXHIBITING RATTLE-TYPE NOISE COMING...

03063 - OBD SYSTEM SOFTWARE UPGRADE - ON-BOARD DIAGNOSTIC (OBD) SYSTEM SOFTWARE UPGRADE - DIAGNOSTIC TROUBLE CODE (DTC)...

LACK OF PASSENGER COMPARTMENT HEAT AND/OR RAISED/ROUGH IDLE AFTER START AND/OR P0128 DIAGNOSTIC TROUBLE CODE (DTC)...

TRANSMISSION OIL LEAK, ABNORMAL KNOCKING NOISE HEARD AT IDLE.

THE SERVICE ENGINE SOON LAMP IS ILLUMINATED, NO 3RD AND 4TH GEAR, THE TRANSMISSION DOES NOT SHIFT CORRECTLY, THE...

EXCESSIVE DURAMAX TURBOCHARGER WHINE NOISE OR POSSIBLY A PERFORMANCE OR A FUEL ECONOMY COMPLAINT.

THE ENGINE DIAGNOSTIC FUEL LEAKS INSIDE OF THE ENGINE.

REVISED FUEL LEAKS INSIDE OF ENGINE DIAGNOSTIC.

ALLISON AUTOMATIC TRANSMISSION VALVE BODY HARDWARE CHANGES.

INFORMATION ON ENGINE TICKING.

ERRATIC IDLE, IDLE SURGE, ROUGH RUN, OR NEAR STALL.

POOR ENGINE PERFORMANCE - MISFIRE, ROUGH IDLE, SERVICE ENGINE SOON/CHECK ENGINE LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE (DTC) P0300 SET.

AVAILABILITY OF STARTER MOTOR SOLENOID IF DAMAGED DURING SERVICE.

RATTLE NOISE IN ENGINE.

HIGHER THAN EXPECTED OIL CONSUMPTION <8500 GVW.

TRANSMISSION OIL LEAK, ABNORMAL KNOCKING NOISE HEARD AT IDLE.

TRANSMISSION OIL LEAK, ABNORMAL KNOCKING NOISE HEARD AT IDLE.

DIAGNOSTIC INFORMATION FOR TURBO FAILURE DUE TO LACK OF OIL OR REPEAT TURBO FAILURES.

REVISED ENGINE CRANKS BUT DOES NOT RUN DIAGNOSTIC.

RATTLE NOISE IN ENGINE.

SERVICE ENGINE SOON (SES) LIGHT ON WITH TAC MODULE CODES P1516 AND POSSIBLE CODES P1514, P1515, P1518.

CAM SENSOR CONNECTOR DOES NOT FIT SENSOR WHEN ENGINE IS REPLACED.

GEN III ENGINE NOISE AFTER HOT SOAK RESTART.

6.6L LB7 ENGINE WITH DIAGNOSTIC TROUBLE CODE (DTC) P0201 AND P0208.

4.3L LU3 ENGINE HOT SOAK HESITATION LOW POWER.

THIS VME MESSAGE APPLIES TO THE VALVE BODY FOR THE ALLISON SERIES 1000 TRANSMISSION REVISED FOR THE 2004 MODEL YEAR TO...

CHECK ENGINE LIGHT ON WITH NO DRIVABILITY CONCERNS, DIAGNOSTIC TROUBLE CODE P0120, P0220, P1516, OR P1518 SET.

ENGINE COOLANT LOSS WITH NO VISIBLE LEAKS.

MULTIPLE DRIVEABILITY SYMPTOMS OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE DUE TO CLOGGED FUEL INJECTORS.

ENGINE STARTER CRANKS AFTER KEY IS RELEASED ON COLD START.

ENGINE KNOCK OR LIFTER NOISE.

OIL LEAK AT OIL COOLER TO ENGINE BLOCK MATING SURFACE.

CONCERNS WITH LAUNCH SHUDDER / VIBRATION ON ACCELERATION.

This informational bulletin provides a quick guide to updating which model vehicle after replacing the IPC.

This informational bulletin provides a list off all the issues revolving around new vehicles for a one stop place to...

This informational bulletin provides information on a GM of Canada OnStar cellular communication upgrade.

This informational bulletin provides information on a GM of Canada OnStar cellular communication upgrade.

This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate.

This Preliminary Information communication provides information to the technician about customers may inquire about the...

This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate.

GM: ONSTAR IS MAKING INCOMPLETE CALLS WITHOUT THE DRIVER KNOWING.

GM: INFORMATION ON FIXING MULTIPLE SITUATIONS RIGHT THE FIRST TIME.

NEW DESIGN FRONT AXLE SIDE BEARING ADJUSTERS.

UNWANTED/LOOSE SEAT MOVEMENT.

INTERMITTENT HEATED SEATS INOPERATIVE, DIAGNOSTIC TROUBLE CODE B3941 SET.

PING, POP, SNAP OR CLICK NOISE FROM THE PROPELLER SHAFT.

NO START, HARD START, LOSS OF POWER, OR WHITE SMOKE.

ADDITIONAL DIAGNOSTIC INFORMATION DTC P0757.

HEATED SEATS TURN OFF.

DURAMAX AIR FILTER. GM TECH LINKS.

INFORMATION ON UPGRADING CERTAIN ONSTAR GENERATION 5 ANALOG/DIGITAL-READY SYSTEMS TO ONSTAR GENERATION 6 DUAL-MODE (ANALOG/DIGITAL).

REVISED DIAGNOSTIC TROUBLE CODE (DTC) U2104.

REVISED DIAGNOSTIC TROUBLE CODE (DTC) P1172 AND DTC P2636.

REAR AXLE RETAINER BUTTON BREAKAGE.

REVISED FRONT CASTER AND CAMBER ADJUSTMENT PROCEDURE.

OIL LIFE SYSTEM RESET PROCEDURES-TRUCKS.

4WD MODELS WITH NOISE, VIBRATION ON DRY PAVEMENT.

HIGHWAY SPEED VIBRATION ON SMOOTH SURFACE.

THIS MESSAGE IS TO PROVIDE DEALERS WITH AN AWARENESS OF TWO NEW COMMANDS AVAILABLE VIA VOICE RECOGNITION IN THE ONSTAR...

ENABLING MEMORY SEAT FEATURE VIA DIC IF FEATURE APPEARS INOPERATIVE.

PERSONAL TRIP BUSINESS TRIP FEATURE MUST BE ON FOR TRIP ODOMETER TO ACCUMULATE.

INCORRECT AMP CODE GENERATOR.

FLUID LEAK FROM FRONT OF VEHICLE ADD TEFLON TAPE TO FRONT AXLE VENT PLUG THREADS.

SUMMARY OF PUBLISHED BULLETINS.

PROPER USE OF LABOR OPERATION CODE WHEN DIAGNOSIS LEADS TO SIR PASSENGER PRESENCE SYSTEM REPLACEMENT.

MEMORY SEAT MAY NOT RETURN TO REQUESTED POSITION.

VARIOUS INTERMITTENT DRIVEABILITY CONDITIONS - HESITATION, LACK OF POWER, ETC.

DIAGNOSTIC TROUBLE CODE C0327 WITH OR WITHOUT ADDITIONAL DIAGNOSTIC TROUBLE CODES SETTING.

ALLISON LCT1000 CLUNK NOISE ON START IN PARK.

261 TRANSFER CASE DRIVELINES GROWL 1100-1200 RPM.

OIL PAN OR OIL COOLER LINE LEAK.

ALLISON LCT 1000 BUZZ NOISE FEEL ON TCC APPLY.

SPEEDOMETER INOPERATIVE.

PING, POP, SNAP, OR CLICK NOISE FROM THE PROPELLER SHAFT.

CONCERNS REGARDING BULLETIN 00-02-35-003F.

ALLISON LCT1000 DIAGNOSTIC TROUBLE CODE P1711, P0872 AFTER COMPLETING REPAIRS.

ADDITIONAL PART NUMBERS FOR BULLETIN 02-01-38-007B.

ALLISON LCT1000 PUMP WHINE NOISE.

REPLACEMENT FLEXPLATE MAY HAVE LARGER BOLT HOLES THAN THE ORIGINAL FLEXPLATE.

02-05 ONSTAR EQUIPPED VEHICLES EMITTING BEEPING NOISE BEFORE CONNECTING TO ONSTAR.

DOWNHILL CRUISE CONTROL SURGE.

CRANK NO START WITH NO CRANKING RPM SPARK OR INJECTOR PULSE.

BUZZ NOISE FELT IN THE ACCELERATOR PEDAL ON THE FIRST ACCELERATION AFTER STARTING THE VEHICLE.

CRUISE CONTROL AND/OR THE POWER TAKE OFF UNIT (PTO) MAY BE INOPERATIVE.

REAR AXLE LOCKING DIFFERENTIAL CHATTER SHUDDER NOISE ON TURNS.

WHEN USING VOICE RECOGNITION DIALING, SOME NUMBERS OR COMMANDS MAY NOT BE UNDERSTOOD BY THE SYSTEM ESPECIALLY THE NUMBER TWO (2).

PARTS SHOWING NO STOCK OR NOT AVAILABLE.

A NO CHARGE CONDITION WITH DIAGNOSTIC TROUBLE CODE (DTC) P0380, P0621.

ALLISON LCT1000 OIL PUMP WHINE, BUZZ ON COLD START.

BUZZ NOISE AND VIRBATION IN THE ACCELERATOR PEDAL AT APPROX.

ALLISON LCT1000 DIAGNOSTIC TROUBLE CODES (DTC) P1711, P0872 AFTER COMPLETING REPAIRS.

POOR GROUND CONNECTION CAUSING DIAGNOSTIC TROUBLE CODE (DTC) C0265.

ONSTAR SYSTEM IS ATTEMPTING AND/OR COMPLETING PHONE CALLS WHICH THE OPERATOR OF THE VEHICLE DID NOT INITIATE.

DRIVER PERSONALIZATION REGARDING MEMORY SEATS.

DRIVERS OR PASSENGERS HEATED SEATS TURN ON BY THEMSELVES.

PRODUCT INFORMATION ON REAR SLIDER.

LEFT FRONT OF VEHICLE SITS LOW.

POOR GROUND CONNECTION CAUSING DIAGNOSTIC TROUBLE CODE (DTC) C0265.

LOCKING GAS CAP AVAILABILITY.

XM RAPID ACTIVATION UTILIZATION.

BUSINESS TRIP AND/OR PERSONAL TRIP ODOMETER INOPERATIVE.

THIS BULLETIN IS BEING ISSUED TO REVISE STEP 4 OF DIAGNOSTIC TROUBLE CODE (DTC) P2135.

D HEIGHT SPECIFICATION MISSING FROM SI.

XM DEALER ASSISTANCE LINE INFORMATION.

GROWL OR MOAN NOISE COMING FROM FRONT AXLE.

DIAGNOSTIC INFORMATION FOR REPLACEMENT REMOTE KEYLESS ENTRY (RKE) TRANSMITTER INOPERATIVE - UNABLE TO SYNCHRONIZE.

REVISED DIAGNOSTIC TROUBLE CODE (DTC) P0093 OR DTC P1093 DIAGNOSTIC TABLES.

LOSS OF COOLANT. *TT

DIAGNOSTIC TROUBLE CODE C0327 WITH OR WITHOUT ADDITIONAL DIAGNOSTIC TROUBLE CODES (DTCS) SETTING.

POOR PERFORMANCE FROM A STOP IN 2WD, AUTO OR 4WD HI.

COOLANT LOSS (INTO THE CRANKCASE).

PASSENGER COMPARTMENT AIR FILTER.

REVISED REQUIREMENTS FOR INSTALLING THE RUNNING BOARD.

REVISED DIAGNOSTIC TROUBLE CODE P1125.

RATTLE/SQUEAK FROM FRONT OF VEHICLE.

SERPENTINE BELT IDENTIFICATION AND DIAGNOSIS FOR MEDIUM DUTY TRUCKS.

FRONT PASSENGER SIDE MANUAL SEAT DOES NOT FULLY LOCK INTO POSITION.

ACCESSORY DRIVE BELT WHINE.

REMOTE KEYLESS ENTRY (RKE) SYSTEM INOPERATIVE.

WHINE NOISE FROM FRONT AXLE.

REMOTE KEYLESS ENTRY SYSTEM INOPERATIVE.

REMOTE KEYLESS ENTRY (RKE) SYSTEM INOPERATIVE.

REMOTE KEYLESS ENTRY (RKE) SYSTEM INOPERATIVE.

VEHICLE WILL NOT START CONDITION.

SCRAPING NOISE FROM REAR OF VEHICLE.

AVAILABILITY OF REAR SEAT SHOULDER BELT COMFORT GUIDES.

CENTER CONSOLE LID HARD TO OPEN OR CLOSE.

DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE.

SOME CUSTOMERS MAY COMMENT THAT THE TRANSMISSION SLIPS, A SHUDDER, CHUGGLE, OR VIBRATION IS FELT WHEN THE TRANSMISSION...

NEW PRODUCT INFORMATION, GRADE BRAKE FEATURE OF ALLISON 1000 SERIES TRANSMISSION.

INSPECTION OF TIRE AND WHEEL SIZE PRIOR TO DIAGNOSIS OF TRANSMISSION SHIFTS, POOR PERFORMANCE, SPEEDOMETER, CRUISE CONTROL CONCERNS.

This informational bulletin provides technicians with information regarding automatic transmission oil cooler flow test...

This Preliminary Information communication provides information to the technician about vehicles that may have a...

This Preliminary Information communication provides information to the technician about vehicles that have slip in...

This Preliminary Information communication provides information to the technician about the percentage of UV protection...

BUICK/CADILLAC/CHEVROLET/GMC/OLDSMOBILE AND HUMMER: INFORMATION ON PITMAN ARM SHAFT SEAL SERVICE KIT.

GMC: FLUID LEAK FROM TRANSMISSION OIL COOLER LINES DUE TO CORROSION.

DIAGNOSTIC INFORMATION ON MN8, MT1 SES/MIL ILLUMINATED, DTC P0757, HARSH SHIFT, DELAYED 2-3 SHIFT, 2-3 SHIFT FLARE, NO...

GEAR BOX POWER STEERING PUMP, P/S PERFORMANCE CONCERNS.

ALLISON LCT1000 HARSH 3-2, 2-1 DOWNSHIFT, AND ABS MAY ACTIVATE.

INSPECTION OF TIRE AND WHEEL SIZE PRIOR TO DIAGNOSIS OF TRANSMISSION SHIFTS, POOR PERFORMANCE, SPEEDOMETER, CRUISE CONTROL CONCERNS.

SLIP CONDITION IN 2ND, 3RD, OR 4TH.

CLUTCH PEDAL FADE OR CLUTCH WILL NOT DISENGAGE TYPICALLY WHEN TOWING.

ELECTRONIC TRANSFER CASE UNABLE TO COMPLETE SHIFT.

CLUTCH PEDAL SQUEAK. *SC

NO SHIFT, SPEEDOMETER ERRATIC/INOPERATIVE, P0721 C0237 P0500 C0055.

STEERING GEAR WHISTLE NOISE ON TURNS.

NEW ESSENTIAL TOOL J 45096 23 AUTOMATIC TRANSMISSION OIL COOLER LINE ADAPTER FOR ALLISON TRANSMISSION.

BEARING GROWL OR RATTLE TYPE NOISE WHILE DEPRESSING OR RELEASING THE CLUTCH PEDAL.

RELEASE OF STEERING GEAR STUB SHAFT BEARING KIT FOR SERVICE.

TRANSMISSION LEAKS, SLIPS, VEHICLE WILL NOT MOVE.

SLOW OR NO ENGAGEMENT OF AUTOMATIC TRANSMISSION NO START BLANK PRNDL DISPLAY FLASHING PRNDL DIAGNOSTIC TROUBLE CODE...

LEAK FROM THE VENT 4L80E/4L85E TRANSMISSION.

REVISED CLUTCH PRESSURE PLATE ADJUSTMENT.

ALLISON LCT1000 TRANSMISSION HARD TO REMOVE FROM PARK.

TRANSMISSION OIL COOLER LINE FITTING CLARIFICATION.

M74 ALLISON LCT1000 PTO GEAR APPLICATIONS.

CLUTCH PEDAL ASSEMBLY SQUEAK NOISE.

TRANSMISSION SLIPS, DELAYED ENGAGEMENT, COLD HESITATION, INTERMITTENT, POOR PERFORMANCE, POWER, SHIFT, DTCS P0701,...

THIS MESSAGE IS ABOUT THE TRANSMISSION NOT SHIFTING INTO GEAR WITH THE CLUTCH PEDAL FULLY DEPRESSED.

THIS MESSAGE IS ABOUT HYDRAULIC FLUID USAGE FOR THE HYDRAULIC CLUTCH SYSTEM.

CLUNK NOISE ON A 3-2 DOWNSHIFT.

DIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR NOISY COOLING FAN.

INTERMITTENT NO FORWARD OR REVERSE WITH POSSIBLY EITHER A FLASHING PRNDL DISPLAY OR A RANGE SHIFT INHIBITED MESSAGE.

HIGHWAY SPEED VIBRATION ON K2500HD 4WD VEHICLES EQUIPPED WITH A 4L80E AUTOMATIC TRANSMISSION.

4L60E, 4L65E FORWARD AND LOW REVERSE WAVED STEEL CLUTCH PLATE APPEARANCE CHANGE.

DIAGNOSTIC TROUBLE CODE TIPS- LCT1000 TRANSMISSION.

ALLISON LCT1000 WILL NOT SHIFT FROM PARK DUE TO ICE, SNOW OR MUD BUILD-UP ON SHIFT LINKAGE.

ALLISON LCT1000 DARK OR DISCOLORED TRANSMISSION FLUID WITH NO LOSS OF PERFORMANCE.

TRANSMISSION FLUID LEAK FROM FRONT OF TRANSMISSION - TORQUE CONVERTER HOUSING/PUMP AREA.

TRANSMISSION HAS A HARSH 1-2 SHIFT, SLIPPING 1-2 SHIFT FOLLOWED BY A HARSH ENGAGEMENT.

4L60-E AUTOMATIC TRANSMISSION OIL PUMP FIRST AND SECOND DESIGN IDENTIFICATION.

SOME CUSTOMERS MAY COMMENT THAT THE TRANSMISSION SLIPS, A SHUDDER, CHUGGLE, OR VIBRATION IS FELT WHEN THE TRANSMISSION...

4L80E, 4L85E WHINE NOISE IN FIRST AND SECOND GEAR.

4L80E, 4L85E AUTOMATIC TRANSMISSION DIAGNOSTIC TROUBLE CODE (DTC) P0706 AND VEHICLE MAY NOT START.

SLIP CONDITION IN 2ND, 3RD OR 4TH DAMAGED 2-4 BAND 3-4 CLUTCH ON THE 4L60E/4L65E AUTOMATIC TRANSMISSION.

NO 2ND, NO 4TH AND NO REVERSE.

ALLISON LCT1000 NO SHIFT, SPEEDOMETER ERRATIC/INOPERATIVE, DIAGNOSTIC TROUBLE CODES (DTCS) P0721, C0237 POSSIBLE ANTI-LOCK BRAKE SYSTEM (ABS) LAMP ON.

6.6L AND MANUAL TRANSMISSION GROWL NOISE WHILE ENGAGING OR DISENGAGING CLUTCH.

TRANSMISSION FLUID LEAKS OUT OF VENT WHEN TRUCK IS STARTED AFTER A COLD SOAK.

6.6L AND MANUAL TRANSMISSION GROWL NOISE WHILE ENGAGING OR DISENGAGING CLUTCH.

TRANSMISSION LEAKS, SLIPS, VEHICLE WILL NOT MOVE.

MALFUNCTION INDICATOR LAMP (MIL) IS ON; THE TRANSMISSION IS STUCK IN THIRD GEAR; AND / OR THE INSTRUMENT CLUSTER IS INOPERATIVE.

INFORMATION ON ALLISON TRANSMISSION SERVICE REPAIRS - FULL SERVICE OF INTERNAL COMPONENTS.

REVISED FUEL INJECTOR BALANCE TEST WITH TECH 2 (AUTOMATIC TRANSMISSION).

REVISED FUEL INJECTOR BALANCE TEST WITH TECH 2 (MANUAL TRANSMISSION).

4L80E/4L85E MAY SET A DIAGNOSTIC TROUBLE CODE (DTC) P0706 (TRANSMISSION RANGE SWITCH PERFORMANCE) AND EXHIBIT A NO START CONDITION.

THE ALLISON LCT1000 TRANSMISSIONS MAY EXPERIENCE A LEAK FROM OIL PUMP AREA.

ALLISON LCT1000 REPEAT TRANSMISSION CONTROL MODULE (TCM) FAILURES WITH POSSIBLE MULTIPLE DIAGNOSTIC TROUBLE CODES (DTCS).

TRANSMISSION HAS A HARSH 1-2 SHIFT, SLIPPING 1-2 SHIFT FOLLOWED BY A HARSH ENGAGEMENT.

TRANSMISSION HAS A HARSH 1-2 SHIFT, SLIPPING 1-2 SHIFT FOLLOWED BY A HARSH ENGAGEMENT.

ALLISON TRANSMISSION CONTROL MODULE FASTLEARN PROCEDURE UPDATE REQUIRED AFTER TRANSMISSION REPAIRS.

SUBJECT REGARDING POWER FOLDING OUTSIDE REARVIEW MIRROR OPERATION PRIOR TO CUSTOMER DELIVERY AND / OR TEST DRIVE.

SOME CUSTOMES HAVE COMMENTED THAT WHEN THE MIRROR IS MANUALLY FOLDED INWARD OR OUTWARD, THE MIRROR DOES NOT RETURN TO ITS ORIGINAL POSITION.

SOME CUSTOMERS MAY COMMENT THAT THE MANUAL LOCK LEVER COMES LOOSE FROM THE DOOR TRIM PANEL.

SUBJECT REGARDING AVAILABILITY OF PICKUP BOX REINFORCEMENT KITS FOR TOOLBOX / REAR WINDOW BARRIER / LADDER RACK APPLICATIONS.

This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables.

GM: THE FRONT OR REAR DOOR MAY NOT OPEN FROM THE INSIDE OR OUTSIDE HANDLE, THE DOOR WILL NOT UNLOCK WITH ANY METHOD.

GM: ON SOME TRUCK MODELS THERE IS SOME FRAME CORROSION.

CADILLAC\CHEVROLET\GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.

CADILLAC\CHEVROLET\GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.

TURN SIGNAL IN CAMPER STYLE OUTSIDE REARVIEW MIRROR (RPO DPN) DOES NOT ILLUMINATE TURN SIGNAL FLASH (REPLACE UPPER...

ONE OF THE FOLLOWING CONCERNS WHEN PROGRAMMING THE MILEAGE OR THE HOURS INTO AN EXCHANGE INSTRUMENT PANEL CLUSTER THAT...

LEFT FRONT AXLE SHAFT DIFFICULT TO REMOVE.

UNWANTED OPERATION OF REAR WINDOWS.

INACCURATE OUTSIDE TEMPERATURE READING ON INSIDE REARVIEW MIRROR.

SERVICE VME-OUTSIDE REAR VIEW MIRROR INOPERATIVE.

SERVICE VME - OUTSIDE REARVIEW MIRROR VIBRATION.

RATTLE TYPE NOISE COMING FROM THE REAR OF THE CAB DURING BODY TWIST MANEUVERS OR OVER BUMPS.

DOOR HINGE REPLACEMENT KIT.

4L80E OUTPUT CARRIER THRUST WASHER CHANGES.

LEFT CAMPER MIRROR WILL NOT LOCK INTO DETENT WHEN MIRROR IS FOLDED INWARD.

WINDRUSH AROUND WINDSHIELD.

FRONT POWER WINDOW NOISY OR INOPERATIVE.

TAILGATE CABLE SLACK.

TAILGATE SUPPORT CABLE.

ALLISON LCT1000 OVERDRIVE DISABLE LAMP INOPERATIVE AFTER INSTALLATION OF INSTRUMENT PANEL (IP).

PAINT FOR THE 2003 GMT800 TRUCKS FOR CANADIAN DEPT.

RATTLE TYPE NOISE COMING FROM THE REAR OF THE CAB DURING BODY TWIST MANEUVERS OR OVER BUMPS.

REAR QUARTER GLASS SERVICE REPLACEMENT KITS MAY HAVE DEFORMED SEALING STRIPED WHEN INITIALLY REMOVED FROM THEIR PACKAGING CAUSING DEALERS TO REORDER.

POWER FOLDING MIRRORS HAVE NO DETENT OR THEY MAY FLOP IN THE WIND.

TINNY RATTLE TYPE NOISE FROM THE ROOF AT HIGHWAY SPEEDS.

SERVICE VME - SWITCHING MIRRORS FROM POWER FOLDING TO POWER EXTENDING.

SQUEAK OR CREAK NOISE FROM UNDERBODY OVER BUMPS.

REPLACEMENT TAILGATE CABLES BIND AT SHOULDER BOLT.

OUTSIDE REARVIEW MIRRORS MAY BLOW IN AT HIGHWAY SPEEDS OR POWER FOLDING FEATURE APPEARS INOPERATIVE.

OUTSIDE REARVIEW MIRROR GLASS MAY CRACK.

NOISE COMING FROM INSTRUMENT PANEL CLUSTER OR TACHOMETER.

INSTRUNMENT PANEL CLUSTER (IPC) GAUGES INOPERATIVE AT TIMES WHILE CRANKING.

POWER FOLDING MIRRORS WILL NOT FOLD INWARD.*MR

WINDSHIELD REVEAL MOLDING FLUTERING.

FRONT POWER WINDOW NOISY OR INOPERATIVE ON VEHICLES LOCATED IN MICHIGAN ONLY.

INSTRUMENT PANEL CLUSTER (IPC) GAUGES INOPERATIVE.

OUTSIDE REARVIEW MIRRORS MEMORY OPERATION.

INSIDE REARVIEW MIRROR COMPASS INOPERATIVE.

INFORMATION ON REMOVING FRONT DOOR TRIM PANEL TO AVOID BREAKAGE.

AVAILABILITY OF REPLACEMENT PARTS FOR WIDE LOAD OUTSIDE REARVIEW MIRRORS.

INFORMATION ON REMOVING THE FRONT DOOR TRIM PANEL DURING SWITCH REMOVAL TO AVOID BREAKAGE.

OUTSIDE REARVIEW MIRROR COURTESY LAMP FALLS OUT, BULB BURNS OUT.

RUST ON BACK SIDE OF FRONT BUMPER.

REVISED WHEEL DRIVE SHAFT INNER JOINT AND SEAL REPLACEMENT.

INSTRUMENT PANEL CLUSTER HIGH BEAM INDICATOR TOO BRIGHT.

RATTLE IN FLOOR CONSOLE CUPHOLDER DOOR.

SECOND ROW SEAT CENTER ARMREST PANEL WARPING.

FRONT DRIVER AND/OR PASSENGER DOOR LOCK BEZEL IS LOOSE AND FALLING OUT.

SNOWPLOW ROOF BEACON (LAMP) INOPERATIVE.

SUBJECT REGARDING NEW ENHANCEMENT FOR TECHNICAL ASSISTANCE CALLS RELATED TO ANY ELECTRICAL ISSUES.

FRONT SUSPENSION COIL SPRING NOISE.

This informational bulletin provides information on communication with OnStar module after Canadian cellular upgrade.

This informational bulletin provides information on Part Restriction and Ordering Process Information for OnStar Vehicle...

BLOWN MBEC 1 OR LBEC 1 FUSE.

IPC BACKLIGHTING INOPERATIVE TBC 2A FUSE OPEN.

UNABLE TO PROGRAM TIRE SIZE IN EBCM/VSES.

UNABLE TO LOCATE EMERGENCY LIGHT RELAY AND/OR BLUNT CUT WIRES.

4WD INOPERATIVE AND POSSIBLE DTC C0327 STORED IN THE TRANSFER CASE CONTROL MODULE.

HEATED SEAT INOPERATIVE OR SHUT OFF IN 30 SECONDS.

SERVICE 4WD LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE (DTC) C0374 SET.

REPLACEMENT OF CONNECTOR WHEN REPLACING FUEL TANK MODULE/FUEL PUMP MODULE.

RPO C82 NO LONGER INCLUDE THE INSTRUMENT PANEL JUMPER WIRING HARNESS.

AIRFLOW SENSOR PROBLEM.

DIAGNOSTIC INFORMATION FOR INTERMITTENT VEHICLE NO CRANK DEAD BATTERY.

AUTOMATIC DUAL ZONE HVAC BATTERY DRAW.

AUTOMATIC DUAL ZONE HVAC BATTERY DRAW SUPPLEMENT TO 02-01-39-007A.

ALLISON LCT 1000 P1781 OR P0802 SETTING IN THE ELECTRONIC CONTROL MODULE.

AUTO VOLUME INOPERATIVE AFTER IGNITION KEY IS CYCLED.

BLOWN MBEC 1 OR LBEC 1 FUSE.

NO COMMUNICATION WITH ANY MODULES, MULTIPE U-DIAGNOSTIC TROUBLE CODES (DTCS), INSTRUMENT PANEL CLUSTER (IPC) WARNING INDICATORS.

SERVICE VME - 03 - 04 FULL SIZE TRUCK, UTILITIES AND HUMMER H2 PASSENGER DOOR MODULE INOPERATIVE.

4.8L 5.3L 6.6L 8.1L P1285 P1286 OR P2133 AFTER REPLACING APP SENSOR.

VEHICLE WILL NOT START CAUSED BY THE STEERING WHEEL POSITION SENSOR.

UNABLE TO LOCATE EMERGENCY LIGHT RELAY AND/OR BLUNT CUT WIRES.

VEHICLE HAS NO PCM (POWER TRAIN CONTROL MODULE) COMMUNICATION WITH TECH 2.

INFORMATION ON NEW SPARK PLUGS AND GAPPING.

AVOIDING OIL LEVEL SENSOR HARNESS DAMAGE DURING LOWER OIL PAN INSTALLATION.

STARTER CRANKS AFTER KEY IS RELEASED (NORMAL CONDITION).

LACK OF POWER WITH TAC MODULE CODE OF P1518 REDUCED POWER MODE.

FUEL LEAK CONCERN FROM THE FUEL RAIL PRESSURE SENSOR.

PROGRAMMING ONSTAR MODULE FOR CANADIAN FRENCH VOICE RECOGNITION.

PROGRAMMING OF REPLACEMENT ONSTAR VEHICLE COMMUNICATION AND INTERFACE MODULES (VCIM).

WRONG SPARK PLUGS. *TT

PASSENGER DOOR MODULE RECALL FOR REMOTE KEYLESS ENTRY, FRONT PASSENGER POWER WINDOW, LOCK, MIRROR AND HEATED SEAT FUNCTIONS.

CUSTOMER SATISFACTION PROGRAM REGARDING BATTERY DRAIN CONDITION.

VOLUNTARY EMISSION RECALL INVOLVING SPARK PLUG REPLACEMENT.

SPARK PLUG REPLACEMENT.

POTENTIAL BATTERY DRAIN CONDITION.

This informational bulletin provides dealership personnel with information on flexible fuel vehicles (FFVs) and the...

GMC: FUEL GAUGE FLUCTUATION IN PARK OR NEUTRAL, CAUSING THE LOW FUEL LIGHT TO ILLUMINATE.

INACCURATE FUEL GAUGE READINGS/REAR FLOAT ARM STUCK.

FUEL GAUGE IS INACCURATE OR READS EMPTY ON DIESEL EQUIPPED CHASSIS CAB WITH DUAL TANKS.

HARD START OR EXTENDED CRANK TIME ON INITIAL COLD START WHEN USING ALCOHOL BLENDED FUELS.

PROGRAM BULLETIN (CUSTOMER SATISFACTION PROGRAM)-15,000 MILE (24,000 KM) FUEL FILTER CHANGE.

REVISED INSPECTION/MAINTENANCE (I/M) EVAPORATIVE EMISSION (EVAP) SYSTEM SET PROCEDURE.

INFORMATION ON THE PROPER AIR FILTER FOR THE DURAMAX DIESEL.

INFORMATION ON THE REVISED FUEL FILTER FOR THE 6.6L DURAMAX DIESEL.

INFORMATION ON SERVICING FUEL INJECTORS TO AVOID CONTAMINATION.

EXHAUST RATTLE NOISE OR VIBRATION.

CRANKS BUT NO START, STALL, INACCURATE/INCORRECT FUEL GAUGE READING, NO FUEL, VEHICLE IS OUT OF FUEL AND FUEL GAUGE READS ABOVE EMPTY.

START/STALL OR POOR DRIVEABILITY AFTER RESTART, LOSS OF GASOLINE OR CNG HOURS/MILES DATA WITH BI-FUEL VEHICLE.

FUEL PRESSURE REGULATOR CONNECTOR OR TERMINAL REPAIRS.

EXHAUST VIBRATION RESONANCE OR MOAN.

DURAMAX DIESEL LOW POWER AND FUEL ECONOMY.

03-06-04-037 SUPPLEMENT - EVAP CANISTER INSTALLATION INFORMATION.

UPDATED PART NUMBER FOR BULLETIN 04-08-49-019 STALL, INACCURATE/INCORRECT FUEL GAUGE READING.

FUEL GAUGE DIVERTS TO EMPTY AFTER IDLING ON INCLINE OR REFUELING.

EVAPORATIVE EMISSION SYSTEM DIAGNOSTIC DISABLED BY INCORRECT FUEL LEVEL REFERENCE.

FUEL GAUGE DIVERTS TO EMPTY AFTER IDLING ON INCLINE.

6.6L LB7 DURAMAX DIESEL DIAGNOSTIC TROUBLE CODE (DTC)S P0201 - P0208.

HARD TO FILL FUEL TANK AT HIGH VOLUME DIESEL PUMPS.

DURAMAX DIESEL FUEL IN OIL DIAGNOSTICS REVISITED.

REVISED FUEL SYSTEM DIAGNOSIS PICKUP.

REVISED FUEL SYSTEM DIAGNOSIS CAB CHASSIS.

REVISED FUEL SYSTEM DIAGNOSIS-HIGH PRESSURE SIDE.

EXHAUST MOAN/VIBRATION.

6.6L LB7 DURAMAX DIESEL FUEL PRESSURE REGULATOR REPLACEMENT.

EXHAUST / MUFFLER HEAT SHIELD RATTLE, POPPING NOISE UNDER VEHICLE.

This Preliminary Information communication provides information to the technician the steps needed to diagnose and...

This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need...

This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need...

CHEVROLET/GMC/CADILLAC: ANYTIME HYDRAULIC BRAKE PIPES ASSEMBLY NEED REPLACING, PRE-FORMED AND PRE-FLARED BRAKE PIPES...

ABS LIGHT ON, DTC'S C0265, C0201, U1041 SET AND/OR LOSS OF COMMUNICATION WITH BRAKE MODULE.

SERVICE BRAKE BOOSTER MESSAGE.

THE IGNITION DISTRIBUTOR CAP AND ROTOR MAY CORRODE AND CAUSE IGNITION SYSTEM FAILURE.

ANTI-LOCK BRAKING SYSTEM (ABS) TELLTALE ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE C0550.

APPLICATION OF HORN AT HORN PAD INOPERATIVE.

ANTILOCK BRAKE SYSTEM LIGHT ON SERVICE BRAKE SYSTEM MESSAGE ON DRIVER INFORMATION CENTER.

AVAILABILITY OF REAR WHEEL MUD FLAPS TO REDUCE DEBRIS BUILD-UP ON REAR BRAKE CALIPERS AND/OR REAR WHEELS.

LOW BRAKE PEDAL, RED BRAKE LIGHT ON, BRAKE SYSTEM WARNING MESSAGE ON.

ANTI-LOCK BRAKE SYSTEM (ABS) LIGHT ON, DIAGNOSTIC TROUBLE CODES (DTCS) C0265, C0201, U1041 SET AND/OR LOSS OF COMMUNICATION WITH BRAKE MODULE.

POWER STEERING FLUID LEAKING AT HYDRAULIC BRAKE BOOSTER.

ELECTRONIC BRAKE CONTROL MODULE PART RESTRICTION.*MR *MJ

ABS TELLTALE ILLUMINATED, DIAGNOSTIC TROUBLE CODE C0550 STORED IN HISTORY.*MR

ABS AND RED BRAKE MALFUNCTION INDICATOR LIGHT ON WITH NO DIAGNOSTIC TROUBLE CODES.

REAR PARKING BRAKE SHOE RETAINING SPRING CLIP SERVICE KIT FOR DRUM-IN-HAT (DIH) EQUIPPED VEHICLES.

SUPPLEMENT BRAKE ASSIST NOISY AND MAY RUN CONTINUOUSLY.

INTERMITTENT NO START, SERVICE STABILITY MESSAGE, ANTI-LOCK BRAKE SYSTEM (ABS) LIGHT ILLUMINATED, MULTIPLE DIAGNOSTIC...

ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS (CLEAN WHEEL SPEED SENSOR MOUNTING SURFACE).

ELECTRONIC BRAKE CONTROL MODULE PART RESTRICTION.

RIGHT REAR INNER BRAKE PAD WEAR.

ANTI-LOCK BRAKE SYSTEM (ABS) TELLTALE LIGHT BEING CONSTANTLY ILLUMINATED WITH A DIAGNOSTIC TROUBLE CODE C0550 BEING STORED.

SOME VEHICLES MAY EXHIBIT A REDUCED BRAKE POWER MESSAGE ON THE DRIVER'S INFORMATION CENTER (DIC).

TRAILER BRAKES APPLIED WHEN HEADLIGHTS / PARK LAMPS ARE ON, BRAKE CONTROLLER ILLUMINATION.

TRAILER BRAKES APPLIED WHEN HEADLIGHTS / PARK LAMPS ARE ON, BRAKE CONTROLLER ILLUMINATION.

TRAILER BRAKES APPLIED WHEN HEADLIGHTS / PARK LAMPS ARE ON, BRAKE CONTROLLER ILLUMINATION.

SOME CUSTOMERS MAY COMMENT THAT THE 4WD/AWD INDICATOR LIGHTS ON THE SELECTOR SWITCH DO NOT WORK OR THE 4WD/AWD SYSTEM MAY BE INOPERATIVE.

PICKUP BOX SHEET METAL FRACTURE / DAMAGE WITH AFTERMARKET ACCESSORIES INSTALLED.

BUICK\CADILLAC\CHEVROLET\GMC\HUMMER\OLDSMOBILE\PONTIAC\SAAB\SATURN SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.

HANDLING CHARACTERISTICS OF VEHICLES WITH 20 INCH WHEEL/TIRE ASSEMBLIES INSTALLED.

INTERMITTENT SERVICE 4WD LIGHT COMES ON WITH DIAGNOSTIC TROUBLE CODE (DTC) C0306 OR C0308 STORED IN TCCM.

MALFUNCTION INDICATOR LIGHT IS ON AND THE VEHICLE HAS A CODE P0706.

INTERMITTENT MALFUNCTION INDICATOR LAMP (MIL) WITH DIAGNOSTIC TROUBLE CODE (DTC) C0374 OR ERRATIC 4WD/AWD OPERATION.

SIR LIGHT ON STEADY AFTER BULB TEST AND NO DIAGNOSTIC TROUBLE CODES (DTCS).

ALL FULL SIZE TRUCKS PICK UP BOX SHEET METAL FRACTURE/DAMAGE WITH AFTERMARKET ACCESSORIES INSTALLED.

4L60E/4L65E INTERMITTENT NEUTRAL CONDITION WHILE ACCELERATING FROM A STOP OR WHILE DRIVING.

SERVICE 4WD LIGHT ON NO CODES BESIDES U1000 CODES OR C0550.

HAZARD LIGHT FLASHES WHEN TURN SIGNAL APPLIED.

SERVICE 4WD LIGHT ON, 4WD INOPERATIVE, DIAGNOSTIC TROUBLE CODES C0300 AND/OR C0305 SET.

CONCERNS WITH THE SERVICE FOUR-WHEEL DRIVE LIGHT OR THE FOUR-WHEEL DRIVE IS INOPERATIVE WITH A C0327 CODE STORED IN THE TCCM.

INOPERATIVE 4WD/AWD LAMPS, INOPERATIVE 4WD/AWD SYSTEM.

SERVICE 4WD LIGHT ON NO CODES BESIDES U1000 CODES.

SERVICE 4WD LIGHT ON, THE 4WD IS INOPERATIVE AND NO CODES BESIDES U1000 CODES.

SERVICE FOUR-WHEEL DRIVE LIGHT AND THE FOUR-WHEEL DRIVE IS INOPERATIVE.

DAYTIME RUNNING LAMP (DRL) BULB REPLACEMENT.

4-WHEEL DRIVE LIGHT, 4-WHEEL DRIVE INOPERATIVE, DIAGNOSTIC TROUBLE CODES C0327, P0836, P0500.

INOPERATIVE 4WD/AWD LAMPS, INOPERATIVE 4WD/AWD SYSTEM.

SOME CUSTOMERS MAY COMMENT ON VARIOUS HVAC CONCERNS INCLUDING TEMPERATURE DOORS DEFAULTING TO FULL HOT POSITION OR UNABLE TO OBTAIN DEFROST POSITION.

FRONT HVAC BLOWER INOPERATIVE.

HIGH PITCHED TONE HEARD INSIDE VEHICLE WHEN AC COMPRESSOR IS ENGAGED.

HVAC NOT COLD ENOUGH A/C COMPRESSOR DOES NOT ENGAGE .

REVISED AIR CONDITIONING (A/C) SYSTEM PERFORMANCE TEST.

HEAT VENTILATION AND AIR CONDITIONING SYSTEM CANNOT BE CONTROLLED OR DEFAULTS TO DEFROST MODE.

DIAGNOSTIC INFORMATION TO ACCURATELY DIAGNOSE A/C LOW PRESSURE SWITCH USING NEW KENT MOORE SPECIAL TOOL GE-47742.

AIR CONDITIONER (A/C) LOW PRESSURE SWITCH DIAGNOSTIC TOOL.

BLUEHEAT COOLANT HEATER THERMO TOP C.

PROGRAMMING CONTROL HEADS - HVAC AC.

UNDERHOOD AIR CONDITIONER RATTLE NOISE HEARD ON ACCELERATION OR A SUDDEN LOSS OF AIR CONDITIONER SYSTEM PERFORMANCE.

HVAC DIGITAL DISPLAY DOES NOT ILLUMINATE OR FUNCTION.

USE OF SYNTHETIC FRONT AXLE LUBRICANT FOR 4WD VEHICLES SOLD IN COLD WEATHER CLIMATES.

REAR SEAT AUDIO (RSA) AND/OR REAR HVAC INOPERATIVE.

AIR CONDITIONING COMPRESSOR BELT OR TENSIONER JUMPS OR FLUTTERS CAUSING A RATTLE NOISE.

CHANGES IN AIR CONDITIONING COMPESSOR ON/OFF INSTRUMENT PANEL DISPLAY SYMBOL FROM 2003 TO 2004 MODEL YEAR AND...

POOR AIR CONDITIONER PERFORMANCE - AIR CONDITIONER WILL NOT BLOW COLD ENOUGH.

AIR CONDITIONING (A/C) INOPERATIVE / INTERMITTENT, AIR CONDITIONER BLOWS WARM AIR.

SEAT HEATER AND/OR MEMORY POWER SEAT INOPERATIVE.

POOR AIR CONDITIONER PERFORMANCE - AIR CONDITIONER WILL NOT BLOW COLD ENOUGH.

This Preliminary Information communication provides information to the technician about vehicles that may have an issue...

This Preliminary Information communication provides information to the technician about vehicles that are travelling from Canada to the United States.

ONSTAR SYSTEM INOPERATIVE ONSTAR SYSTEM STATUS LIGHT IS RED RADIO LOCKED IN PHONE MODE OR DTC B1000.

INTERMITTENT CONCERN OF THE SERVICE 4 WHEEL STEER MESSAGE BEING DISPLAYED ON THE DIC.

LOW AUDIO OUTPUT FROM SPEAKERS.

REPLACEMENT RADIO READS CAL ERROR, HAS NO AUDIO OR WILL NOT PROGRAM.

XM ERROR ON A RADIO DISPLAY.

REPLACEMENT RADIO READS CAL ERROR, HAS NO AUDIO OR WILL NOT PROGRAM.

RADIO CD SKIPS/EJECTS OR CLOCK RESETS TO 12:00.

XM RADIO MUST BE TUNED TO CHANNEL 1 THROUGH 66 DURING ACTIVATION ATTEMPT.

TWEETER SPEAKER RATTLE IN FRONT SIDE DOOR(S), TWEETER SPEAKER FALLS OUT OF POSITION.

MULTIPLE DIAGNOSTIC TROUBLE CODES, INCLUDING ANY OR ALL OF P0708, P0847, P0872, P0875, P1711 OR P1713, PARTIAL OR NO PRINDEL DISPLAY OR NO MOVEMENT.

NO AUDIO OUT OF SPEAKERS AT TIMES.

NO AUDIO OUT OF SPEAKERS AT TIMES.

NO AUDIO OUT OF SPEAKERS AT TIMES.

CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL AND/OR STEERING COLUMN (REPLACE UPPER INTERMEDIATE STEERING SHAFT [I-SHAFT] ASSEMBLY).

DIAGNOSTIC TROUBLE CODE C0455, SERVICE REAR WHEEL STEERING, SYSTEM JUMPS FROM 4-WHEEL STEER TO 2-WHEEL STEER.

LACK OF STEERING ASSIST OR SHUDDER DURING PARKING LOT TYPE MANEUVERS.

CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL.

GENERATION 5 ONSTAR STEERING WHEEL CONTROL FUNCTION.

SUPPLEMENT TO 00-02-35-003F CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL.

VARIOUS STEERING OR SUSPENSION CONCERNS AFTER GM ACCESSORIES 20 INCH TIRE/WHEEL ASSEMBLIES HAVE BEEN INSTALLED.

INTERMEDIATE STEERING SHAFT SERVICE KIT.

LACK OF STEERING ASSIST WHEN STOPPED OR DURING PARKING LOT TYPE MANEUVERS.

LACK OF STEERING ASSIST OR SHUDDER DURING PARKING LOT TYPE MANEUVERS.

2003-2004 GENERATION 5 ONSTAR STEERING WHEEL CONTROL FUNCTION EXPLANATION.

INNER TIE ROD RELEASED FOR SERVICE.

CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN THE STEERING WHEEL.

CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN THE STEERING WHEEL.

This warranty administration bulletin provide policy information new tire warranty program and global warranty...

DTC C0327 WITH OR WITHOUT ADDITIONAL DTC'S SETTING.

QUADRASTEER INTERMITTENT SERVICE 4-WHEEL STEER MESSAGE.

SERVICE 4 WHEEL STEER MESSAGE WITH DIAGNOSTIC TROUBLE CODE C0455.

EXCESSIVE TIRE SPIN SETTING DIAGNOSTIC TROUBLE CODE C0543.

REVISED WHEEL DRIVE SHAFT NUT TORQUE SPECIFICATION.

EXCESSIVE TIRE SPIN SETTING DIAGNOSTIC TROUBLE CODE (DTC) CO542.

SERVICE 4 WHEEL STEER MESSAGE WITH DIAGNOSTIC TROUBLE CODE (DTC) C0455.

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.

GEN III REPLACEMENT FLYWHEEL BOLT HOLES LARGER THAN ORIGINAL PART.

TIRE SLOWLY GOES FLAT AND/OR EXCESSIVE WHEEL VIBRATION CAUSED BY BEAD SPLITS (REPLACE WHEELS WITH NEW HEAVY DUTY RIM...

EATON LOCKING DIFFERENTIAL CHATTER SHUDDER NOISE ON TURNS, EQUIPPED WITH A LOCKING REAR DIFFERENTIAL RPO G80.

SERVICE VME. SUPPLEMENT TO 00-02-35-003L.

HARD START / NO START OUTSIDE TEMPERATURES BELOW FREEZING.

ALLISON LCT 1000 PRNDL FLASH AND/OR WILL NOT MOVE.

INFORMATION ON DIAGNOSTIC TROUBLE CODE 63 FOR PASSENGER SENSING SYSTEM THAT IS NOT CALIBRATED.

CHEVROLET\GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.

ALLISON LCT1000 PRNDL FLASH AND/OR WILL NOT MOVE.

ALLISON LCT1000 PRNDL FLASH AND/OR WILL NOT MOVE WITH P0721, P0731, P0732, P0733, P0734, P0743, P0746, P0747, P0776,...

QUADRASTEER SERVICE UPDATE.

REVISED DIAGNOSTIC TROUBLE CODE P0336.

This technical bulletin provides a procedure to lube the rear leaf springs on vehicles with the condition of a squeak...

SUSPENSION VIBRATION OR FRAME BEAMING AT 40 - 60 MPH.

REVISED UPPER CONTROL ARM REPLACEMENT.

USE OF CORRECT INSTALLATION PROCEDURE FOR LOOSE HUBCAP ASSEMBLY.

SUSPENSION VIBRATION OR FRAME BEAMING AT 40 -60 MPH.

REPEAT REAR AXLE HUB SEAL LEAK.

REAR LEAF SPRING SLAP OR CLUNK NOISE (REPLACE SPRING INSERTS) *TT UPDATED 10/18/07.

REAR SPRING SLAP OR CLUNK NOISE.

This warranty administration bulletin provides information on the Clarification of Use for Dealer Empowerment Labor...

INFORMATION ON REVISED DESIGN OF INTAKE GASKET AND RELATED BOLTS FOR 2004 MID-YEAR ENHANCEMENT AND PRIOR YEAR SERVICE USAGE.

SERVICE INFORMATION FOR FRONT HEATED SEAT INOPERATIVE/COLD.

SNOW PLOW PREP PACKAGE INFORMATION - SERVICE VME.

QUADRASTEER PARTS RESTRICTION.

ALLISON LCT1000 SERVICEABILITY.

GM: THERE ARE SEAT BELT PROBLEMS: DIFFICULTY LATCHING AND UNLATCHING BUCKLE.

DUAL STAGE PASSENGER AIR BAG USED IN SINGLE STAGE APPLICATION.

INTERMITTENT AIR BAG TELLTALE SETS A FALSE DIAGNOSTIC TROUBLE CODE OF B0083 AND OR B0084.

DUAL STAGE AIR BAG USED IN SINGLE STAGE APPLICATION.

AIR BAG LAMP ON, PASSENGER AIR BAG INDICATOR ALWAYS READS OFF, DIAGNOSTIC TROUBLE CODE (DTC) B0092 SET.