2004 GMC Sierra TSBs

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 informational bulletin provides information on close-coupled converter and engine replacement.

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

This Preliminary Information communication advises the technician that the 2004-2007 Parallel Hybrid Truck parts will be...

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...

This informational bulletin provides information on close coupled converters and there affect on newly installed engines...

This Preliminary Information communication advises the technician that parallel hybrid truck parts are on parts restriction.

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

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 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.

GM: THERE IS A DIESEL ENGINE HARD START WHEN HOT.

GM: THERE IS AN INTERMITTENT ENGINE LIGHT ON DUE TO FIVE POSSIBLE INTERNAL TROUBLE CODES.

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

CHEVROLET/GMC: DIESEL ENGINE TURBO DTC P2563 OR P003A.

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

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

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

DURAMAX DIESEL INJECTOR DRIVER CODES WITH 6.6 ENGINE (VIN 2 - RPO LLY).

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.

INTERMITTENT SES/MIL LAMP ILLUMINATED, REDUCED ENGINE POWER, FUEL INJECTOR DRIVER CIRCUIT.

DUAL TANKS FUEL GAUGE DEFAULTS TO EMPTY - NEW CALIBRATIONS.

ENGINE WITH A REPEAT CRACKED FLYWHEEL.

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.

LOW OIL PRESSURE MESSAGE DISPLAY AND CHIMES ACTIVATED WHILE DRIVING FOLLOWING HYBRID (HP2) LM7 ENGINE AUTO-START (REPROGRAM THE PCM).

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

LM7, L59 OR L33 ENGINES WITH COLD START ROUGH OR INCORRECT IDLE, MISFIRE, MALFUNCTION INDICATOR LAMP (MIL) OR FLASHING REQUIRING O2 SENSOR REPLACEMENT.

ACCESSORY DRIVE BELT CHIRP, SQUEAL, OR SQUEAK TYPE NOISE AT COLD IDLE.

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

SERVICE ENGINE SOON (SES) LIGHT ON WITH REDUCTION IN ENGINE POWER, DIAGNOSTIC TROUBLE CODES P0202 AND P2146 OR P0207 AND P2149 SET.

EI05082 - LOSS OF BLOWER MOTOR SPEEDS EXCEPT FOR HIGH SPEED OR INOPERATIVE.

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.

FUEL GAUGE INOPERATIVE OR INACCURATE, THE SERVICE ENGINE SOON MALFUNCTION INDICATOR LAMP ON, OR FRONT FUEL TANK IS OVER...

ENGINE OIL DIPSTICK UNSEATED OR OIL LEAK.

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

ENGINE RPM SURGE AT 1100 TO 1400 RPM.

VEHICLE MAY BE BROUGHT IN FOR SERVICE ENGINE SOON (SES) OR MALFUNCTION INDICATOR LAMP (MIL) LIGHT ON.

6.6L LLY ENGINE OIL LEAK AT REAR HOUSING COVER BOLT.

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.

BLOWER MOTOR INOPERATIVE AT LOW AMBIENT TEMPERATURES.

ROUGH IDLE, FUEL KNOCK OR SMOKE WHILE DRIVING, COMBUSTION LEAK TYPE NOISE, OR A MISFIRE.

6.6 LLY INJECTOR DRIVER CODES.

DURAMAX DIESEL INJECTOR DRIVER CODES.

HIGHWAY SPEED EXCESSIVE SMOKE AND FUEL KNOCK.

HARD START HOT ONLY AFTER THE ENGINE HAS REACHED OPERATING TEMPERATURE AND THEN SHUT OFF.

REVISED ENGINE ELECTRICAL AND AUTOMATIC TRANSMISSION - 4L60E/4L65E SUBSECTIONS - NEW CAUTION STATEMENTS ADDED.

SURGE AT IDLE OR 1100 TO 1400 RPM.

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.

NOISE, SERVICE ENGINE SOON (SES) LIGHT, OR LOW POWER.

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.

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.

THIS IS IN REGARDS TO THE UNNECESSARY CHANGING OF TURBOCHARGERS DUE TO OIL SEEPAGE.

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.

RATTLE OR CRACKLING NOISE FROM ENGINE COMPARTMENT.

UNABLE TO RESET ENGINE OIL LIFE MONITOR.

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

ENGINE OIL LEAK NEAR OIL FILTER.

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

DIESEL OIL LEAK AT RIGHT REAR OF ENGINE.

TURBO AIR CHARGE COOLER HOSES OIL SEEPAGE OR BLOWS OFF ON ACCELERATION.

ROUGH IDLE WITH WHITE SMOKE AND HIGH BALANCE RATES.

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.

ENGINEERING INVESTIGATION (EI #04073) HIGH, LOW OR ERRATIC OIL PRESSURE GAUGE READING SETTING DIAGNOSTIC TROUBLE CODES P0522 AND/OR P0523.

ENGINE OIL LEAK AT MAIN BERING SIDE BOLT.

CERTAIN 2004 6.6L LLY DURAMAX DIESEL ENGINES MAY HAVE AN ISSUE WITH THE HIGH PRESSURE FUEL LINES THAT PREVENT THEM FROM...

ENGINE LOW POWER WILL NOT GO OVER 2300 RPMS.

ALLISON LCT1000 PUMP SEPARATOR PLATE CHANGE DISREGARD ADDITIONAL VALVE.

COOLANT LEAK AT ENGINE MOUNT BOLT.

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.

ACCESSORY DRIVE BELT CHIRP NOISE AT COLD IDLE.

ENGINEERING INVESTIGATION - CATALYTIC CONVERTER REPLACEMENT.

ENGINE LOW SPEED ENGINE RPM SURGE.

GAS ENGINES EXHAUST BUZZ OR RATTLE NOISE.

LOW POWER SERVICE ENGINE SOON/MALFUNCTION INDICATOR LIGHT ON DIAGNOSTIC TROUBLE CODE P0116 AND P0299.

SMOKE, FUEL KNOCK, SURGING, AND HIGH INJECTOR BALANCE RATES.

ENGINEERING IS INVESTIGATING THE 04 6.6L LB7 INJECTORS FOR CONCERNS OF DTC P1093 AND HIGH RETURN LINE FLOW RATES.

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.

04 FULL SIZE TRUCKS AND UTILITIES WITH VIN G, N, T, V AND U ENGINES MAY HAVE A HIGH ALTITUDE, HIGH AMBIENT TEMPERATURE STALL.

OIL SEEPAGE FROM TURBO AIR CHARGE COOLER HOSES OR HOSE BLOWING OFF DURING ACCELERATION.

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.

TIMING CHAIN TENSIONER BREAKPOINTS FOR SERVICE KIT OR PRODUCTION KIT.

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...

04 MODEL YEAR 4.8.5.3.7.6.0 GEN III ENGINE PISTON PIN INFORMATION.

ENGINE CYLINDER HEAD CUP PLUG COOLANT LEAK.

6.0L LQ4 VIN U ENGINE RESTRICTION.

REPEAT ENGINE OIL LEAK AT MAIN BEARING SIDE BOLT.

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.

INACCURATE FUEL GAUGE READINGS AND/OR ENGINE STALL.

GURGLE NOISE MAY BE HEARD FROM THE ENGINE COOLANT COMPARTMENT ON TRUCKS BUILT WITH RPO HP2 PARALLEL HYBRID SYSTEM.

ENGINE OIL IN THE TURBO CHARGE AIR COOLER PIPES AND HOSES.

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

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

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.

NORMAL ENGINE OPERATING NOISE CHARACTERISTICS.

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.

6.6 LLY DURAMAX DIESEL ENGINES HAVE AN ISSUE WITH THE HIGH PRESSURE FUEL LINES THAT PREVENT THEM FROM ACHIEVING THE...

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

6.6 LLY ENGINE GLOW PLUGS ARE NOT INTERCHANGEABLE WITH THE CURRENT 6.6 LB7 GLOW PLUGS.*MR

COOLANT LEAK FROM HEAD CUP PLUGS ON GEN III ENGINES.

6.6L LLY DIESEL ENGINE FUELINJECTOR COMPRESSION LEAK NOISE OR SOOT AROUND THE INJECTOR BODY.*MR

INACCURATE FUEL GAUGE READINGS AND/OR ENGINE STALL.

6.6L LLY ENGINE - DIAGNOSTIC TROUBLE CODE (DTC) U0106 RESETS OR WILL NOT CLEAR.

4.3 4.8 5.3 6.0 LR4 LU3 LM7 L59 LQ4 LQ9 ENGINES- EVAP CODE P0442.

6.6 LLY DURAMAX DIESEL ENGINE TURBOCHARGER LEARN PROCEDURE.

4.8 5.3 LM4 LM7 LR4 ENGINE - WITH O2 SENSOR CODES P0135, P0141, P0155, P0161.

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.

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.

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.

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...

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.

ALLISON AUTOMATIC TRANSMISSION VALVE BODY HARDWARE CHANGES.

INFORMATION ON ENGINE TICKING.

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

AVAILABILITY OF STARTER MOTOR SOLENOID IF DAMAGED DURING SERVICE.

HIGHER THAN EXPECTED OIL CONSUMPTION <8500 GVW.

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

REVISED ENGINE CRANKS BUT DOES NOT RUN DIAGNOSTIC.

HVAC BLOWER MOTOR MAY RUN CONTINUOUSLY AFTER VEHICLE IS TURNED OFF.

6.6L DURAMAX LB7 ENGINES WITH TURBOCHARGER SYSTEM WHINE NOISE.

GEN III ENGINE NOISE AFTER HOT SOAK RESTART.

HVAC BLOWER MOTOR FAN STAYS ON IN THE HIGH BLOWER POSITION.

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

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

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: INFORMATION ON FIXING MULTIPLE SITUATIONS RIGHT THE FIRST TIME.

NEW DESIGN FRONT AXLE SIDE BEARING ADJUSTERS.

REAR DRIVE AXLE WHINE NOISE (REPLACE SLIP YOKE ASSEMBLY).

OIL PRESSURE GAUGE READING LOW OR NEAR RED ZONE.

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.

TCC SURGE AND/OR FLUID CONTAMINATION.

ADDITIONAL DIAGNOSTIC INFORMATION DTC P0757.

RANGE INHIBIT AND/OR WILL NOT MOVE.

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.

REVISED DIAGNOSTIC TROUBLE CODE (DTC) P2563.

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.

PLEASE STOP THE DELIVERY DUE TO THE LIMITATIONS OF THE GM ADMINISTRATIVE MESSAGE SYSTEM.

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.

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

REMOTE KEYLESS ENTRY (RKE) SYSTEM INOPERATIVE.

BROKEN #2 AND #7 INJECTOR CONNECTOR TERMINALS.

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.

SOME 2004 FULL SIZE TRUCKS AND UTILITIES MAY EXPERIENCE A DIAGNOSTIC TROUBLE CODE P0442.

261 TRANSFER CASE DRIVELINES GROWL 1100-1200 RPM.

OIL PAN OR OIL COOLER LINE LEAK.

UNABLE TO PERFORM SET UP NEW ONSTAR ON VEHICLES WITH GEN 6.05 HARDWARE.

ALLISON LCT 1000 BUZZ NOISE FEEL ON TCC APPLY.

ONSTAR CENTER UNABLE TO PERFORM REMOTE DIAGNOSTIC.

ERRATIC OIL PRESSURE WITH DIAGNOSTIC TROUBLE CODE'S P0522 AND/OR P0523.

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.

PERFORMANCE PACKAGE RPO PCX.

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

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.

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

RATTLE TYPE NOISE DUE TO A CRACKED FLEX PLATE.

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).

VEHICLES AND HUMMER H2 WITH A HIGH ALTITUDE STALL.

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.

ALLISON LCT1000 RANGE INHIBIT AND/OR WILL NOT MOVE.

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.

SECONDARY SUNSHADE VISOR ELIMINATION.*MR

DRIVER PERSONALIZATION REGARDING MEMORY SEATS.

STOP DELIVERY ORDER (CHEVROLET BAC 113611-114593).

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.

REAR SEAT DOES NOT FOLD DOWN INTO THE STOWED POSITION.*MR

SQUEAK NOISE COMING FROM THE FRONT OF THE VEHICLE.

D HEIGHT SPECIFICATION MISSING FROM SI.

SNAP/POPPING TYPE NOISE COMING FROM FRONT OF VEHICLE.

XM DEALER ASSISTANCE LINE INFORMATION.

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

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

SOME OWNERS OF 03 G-VANS OR 04 C/K TRUCKS DRIVING AT HIGH ALTITUDE WITH WARM AMBIENT TEMPERATURES MAY COMPLAIN OF A...

ALLISON LCT1000 DIAGNOSTIC TROUBLE CODE (DTC) P0700 AND NO COMMUNICATION WITH THE TECH 2.

DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE.

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...

CADILLAC/CHEVROLET/GMC/HUMMER: SOME SUVS AND TRUCKS ARE EXHIBITING A CONDITION WHERE BY GRINDING/RATCHETING TYPE NOISE...

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.

4L60-E/4L65-E AUTOMATIC TRANSMISSION/TORQUE CONVERTER CLUTCH (TCC) SHUDDER, WATER IN TRANSMISSION.

4L60-E/4L65-E AUTOMATIC TRANSMISSION SECOND GEAR START, LACK/LOSS OF POWER WHEN ACCELERATING FROM A STOP.

SERVICE VME - 8.6 INCH REAR AXLE WHICH EXHIBIT A GEAR WHINE CONDITION (UNTIL DECEMBER 23, 2005).

ELECTRONIC TRANSFER CASE UNABLE TO COMPLETE SHIFT.

4L80E/4L85E HARSH SHIFT OR SLIP NO TCC APPLY.

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.

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.

HARSH 1-2 SHIFT. *EH

ALLISON LCT1000 TRANSMISSION HARD TO REMOVE FROM PARK.

ALLISON LCT 1000 TRANSMISSION PRNDL INOPERATIVE AND NO COMMUNICATION WITH THE TECH 2 SCAN TOOL.

STARTER GRINDING NOISE DURING CRANKING ON VEHICLES EQUIPPED WITH THE ALLISON AUTOMATIC TRANSMISSION.

M74 ALLISON LCT1000 PTO GEAR APPLICATIONS.

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.

SQUAWK OR GRUNT NOISE THAT OCCURS ON THE 2-3 UPSHIFT ON VEHICLES WITH 4L60E - M30, 4L60E M32 TRANSMISSION.

DIAGNOSTIC TROUBLE CODE TIPS- LCT1000 TRANSMISSION.

4L80E / 4L85E TRANSMISSION MAY HAVE A CONDITION IN WHICH THE TRANSMISSION OVERDRIVE GEAR SET MAY FAIL DUE TO INADEQUATE...

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.

STOP DELIVERY ORDER ON CERTAIN VEHICLES WITH 4L80E OR 4L8E AUTOMATIC TRANSMISSION.

THE 4L60E/4L65E AUTOMATIC TRANSMISSION MAY EXPERIENCE A LEAK, INOPERATIVE/SLIPPING IN 2ND, 3RD AND 4TH GEARS OR NO...

ALLISON LCT1000 TRANSMISSION PRNDL INOPERATIVE AND NO COMMUNICATION WITH THE TECH 2 SCAN TOOL.

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

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

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

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

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.

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).

ALLISON LCT1000 DIAGNOSTIC TROUBLE CODE (DTC) P0700 UNABLE TO COMMUNICATE WITH THE TRANSMISSION CONTROL MODULE (TCM) USING THE TECH 2.

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).

SHIFT STABILIZATION AND TOW/HAUL MODE FEATURE FOR HYDRA-MATIC 4L60-E/4L65-E AND 4L80-E/4L85-E TRANSMISSIONS.

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.

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...

DOOR GLASS POPS OUT OF RUN CHANNEL.

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.

20 INCH PLUS WHEELS ARE NO LONGER TO BE INSTALLED ON THIS BODY STYLE.

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).

INSTRUMENT PANEL CLUSTER PARTS RESTRICTION.

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

TINNY RATTLE TYPE NOISE FROM THE ROOF AT HIGHWAY SPEEDS.

LATCH ON THE REAR QUARTER GLASS IS LOOSE OR HAS BECOME DETACHED FROM THE WINDOW GLASS.

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.

WINDSHIELD WIPER ARM LOOSE.*MR

POWER FOLDING MIRRORS WILL NOT FOLD INWARD.*MR

FRONT DOOR FRAME CONTACTS THE WINDSHIELD REVEAL MOLDING.

WINDSHIELD REVEAL MOLDING FLUTERING.

REAR QUARTER GLASS HINGE (LATCH) LOOSE.

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.

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.

INCORRECT O2 SENSORS AND WIRING HARNESS CAUSING HO2 SENSOR HEATER CIRCUIT CODES P0135 P0141 P0155 P0161.

SERVICE VMX - DURAMAX INJECTOR WIRING HARNESS SUPPORT BRACKET KIT.

SERVICE 4WD LIGHT ON WITH EITHER A VARIETY OF DIAGNOSTIC TROUBLE CODES OR NO COMMUNICATION WITH THE TRANSFER CASE CONTROL MODULE.

AIRFLOW SENSOR PROBLEM.

DIAGNOSTIC INFORMATION FOR INTERMITTENT VEHICLE NO CRANK DEAD BATTERY.

PROPER METHOD TO SECURE FUEL CAP DURING REFUELING.

FUEL INJECTOR DRIVER CIRCUIT CODES P0201 THROUGH P0208.

AUTOMATIC DUAL ZONE HVAC BATTERY DRAW.

SERVICE 4WD LIGHT ON AND NO COMMUNICATION WITH TRANSFER CASE CONTROL MODULE.

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.

GLOW PLUG CONTROL MODULE LOSS OF COMMUNICATION, POSSIBLE DIAGNOSTIC TROUBLE CODE (DTC) U0106 SET, AND DTC WILL NOT CLEAR.

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

ROOF BEACON SWITCH LEFT ON CAUSING BATTERY DRAW.

PASSENGER DOOR MODULE LOCK UP.*MR

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).

PROGRAMMING ONSTAR MODULE FOR CANADIAN FRENCH VOICE RECOGNITION.

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 INACCURATE/ DIAGNOSTIC TROUBLE CODE P0461 AND OR P2636/ TRANSFER PUMP WILL NOT SHUT OFF.

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

DIESEL HESITATION OR THROTTLE DELAY.

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.

FUEL FILTER REPLACEMENT.

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.

FUEL LEAKING FROM BODY OF INJECTOR.

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

FUEL PRESSURE REGULATOR CONNECTOR OR TERMINAL REPAIRS.

EXHAUST VIBRATION RESONANCE OR MOAN.

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

FUEL SENDER INFORMATION ON TRUCKS WITH 6.6L DIESEL.

FUEL CAP TETHER STRAP TOO SHORT.

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

FUEL GAUGE DIVERTS TO EMPTY AFTER IDLING ON INCLINE.

EXHAUST MOAN VIBRATION.

HARD TO FILL FUEL TANK AT HIGH VOLUME DIESEL PUMPS.

TIGHTEN FUEL CAP MESSAGE ON THE DIC.

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.

DIC MESSAGE THAT THE FUEL CAP IS NOT ON TIGHT.

EXHAUST MOAN/VIBRATION.

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.

INCREASED STEERING AND BRAKE EFFORT.

SERVICE BRAKE BOOSTER MESSAGE.

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.

FRONT WINDSHIELD WIPER ARM DOES NOT REMAIN UPRIGHT POSITION AS IT DID ON PRIOR MODELS AND AS A RESULT, CUSTOMER MAY...

ELECTRONIC BRAKE CONTROL MODULE PART RESTRICTION.*MR *MJ

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.

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).

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

CRUISE CONTROL INOPERATIVE AND/OR MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P0833 STORED.

SES LIGHT DUE TO DTC P0116.

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.

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.

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.

FRONT BLOWER INOPERATIVE STAY RUNNING DURING LOW AMBIENT TEMPERATURE.

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

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

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

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

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.

INOPERATIVE AIR CONDITIONER SYSTEM OR LACK OF COOLING.

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.

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

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

This Preliminary Information communication provides information to the technician about vehicles that have grease leaking from front hub bearings.

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.

FRONT HUB BEARING GREASE LEAK.

USE OF CORRECT INSTALLATION PROCEDURE FOR LOOSE HUBCAP ASSEMBLY.

SQUEAK NOISE FROM REAR LEAF SPRINGS.

GREASE LEAK FROM FRONT HUB BEARING.

SUSPENSION VIBRATION OR FRAME BEAMING AT 40 -60 MPH.

WHEEL ALIGNMENT SPECS FOR SPRING SPECIAL AND TEXAS TRUCK.

REPEAT REAR AXLE HUB SEAL LEAK.

FRONT LOWER CONTROL ARM CHANGE.

SQUEAK NOISE EMANATING FROM THE FRONT SHOCK AREA.

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

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

This warranty administration bulletin provides information to clarify proper transaction administration of GM Dealer...

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

NO CONNECT. GEN 6 VEHICLES IN ASHE, ALLEGHANY, SURRY AND WILKES COUNTY, NC CANNOT CONNECT O ONSTAR OR EMERGENCY SERVICES.

GEN 6 VEHICLES IN MOUNT AIRY, NC CANNOT CONNECT TO ONSTAR OR EMERGENCY SERVICES.

SERVICE 4WD INDICATOR ILLUMINATED.

SERVICE INFORMATION FOR FRONT HEATED SEAT INOPERATIVE/COLD.

SNOW PLOW PREP PACKAGE INFORMATION - SERVICE VME.

STOP DELIVERY ORDER INSPECTION CLAIM SUBMISSION.

CHANGE IN GAS CAP TETHER ATTACHMENT POINT.

SIZZLE NOISE AFTER VEHICLE SHUT OFF.

ALLISON LCT1000 SERVICEABILITY.

2004 NEW MODEL PRODUCT CHANGES.

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

DTC C0327 WITH OR WITHOUT ADDITIONAL DTC'S SETTING.

SERVICE TIRE PRESSURE MONITORING SYSTEM DIAGNOSTICS CODES.

20 INCH PLUS SIZE WHEEL RESTRICTION - SUPPLEMENT TO ACCESSORIES BULLETIN ACC04-056.

WHY THE CREW CAB SHORT BED (5 FOOT 8 INCH) IS NOT RECOMMENDED FOR FIFTH WHEEL TRAILERING.

QUADRASTEER INTERMITTENT SERVICE 4-WHEEL STEER MESSAGE.

SERVICE 4 WHEEL STEER MESSAGE WITH DIAGNOSTIC TROUBLE CODE C0455.

20 INCH WHEELS STOP SELL ON 1500 CREW CAB WITH 5'8' BED.

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.

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.

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.

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.

XM RADIO WAS WORKING PRIOR TO JULY 26, 2004 AND IT IS INOPERATIVE NOW.

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.

PRODUCT INFORMATION REGARDING RADIO PERSONALIZATION.

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.

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

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

BRIDGESTONE DUELER PRODUCT INFORMATION UPDATE.

HARD START / NO START OUTSIDE TEMPERATURES BELOW FREEZING.

BRIDGESTONE DUELER PRODUCT INFORMATION UPDATE.

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

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

ERRATIC OIL PRESSURE GMT 610 OR GMT800 WITH CODES P0522 OR P0523.

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.

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

DUAL STAGE PASSENGER AIR BAG USED IN SINGLE STAGE APPLICATION.

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.

ACCESSORY POWER OUTLET (APO) TURNS OFF AUTOMATICALLY - PARALLEL HYBRID TRUCK (RPO HP2).

PRE-DELIVERY AND SERVICE GUIDE - PARALLEL HYBRID TRUCK.