2008 Chevrolet Express TSBs
72 Express Technical Service Bulletins
Technical Service Bulletins, or TSBs for short, are notifications made directly by Chevrolet to help automotive technicians diagnose and repair commonly reported Express problems. Interested in how this information is collected? Read more about TSBs.
Recent 2008 Express TSBs
STEERING
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Description: GM: THE SERVICE STABILITRAK MESSAGE BEING DISPLAYED IN DIC. THE STABILITRAK INDICATOR LIGHT MAY ALSO BE ON. *JS
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Description: STEERING NOISE WHEN TURNING LEFT. *TT UPDATED 3/4/11. *PE UPDATED ON 6/30/2011. *KB
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Description: BUICK/CADILLAC/CHEVROLET/GMC/OLDSMOBILE AND HUMMER: INFORMATION ON PITMAN ARM SHAFT SEAL SERVICE KIT. DO NOT REPLACE ENTIRE STEERING GEAR FOR PITMAN SEAL LEAK. TECHNICIANS HAVE BEEN REPLACING ENTIRE STEERING GEARS DUE TO NOT BEING ABLE TO
STEERING:GEAR BOX:SHAFT PITMAN
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Description: BUICK/CADILLAC/CHEVROLET/GMC/OLDSMOBILE AND HUMMER: INFORMATION ON PITMAN ARM SHAFT SEAL SERVICE KIT. DO NOT REPLACE ENTIRE STEERING GEAR FOR PITMAN SEAL LEAK. TECHNICIANS HAVE BEEN REPLACING ENTIRE STEERING GEARS DUE TO NOT BEING ABLE TO
SUSPENSION:FRONT:SHOCK ABSORBER
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Description: GM: 2006-2011 EXPRESS/SAVANA. A CRACK IN A WELD IS CAUSING THE FRONT SHOCK ABSORBER TOWER TO SEPARATE FROM THE FRAME. *RM
SUSPENSION:REAR
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Description: EATON LOCKING DIFFERENTIAL CHATTER SHUDDER NOISE ON TURNS, EQUIPPED WITH A LOCKING REAR DIFFERENTIAL RPO G80. *NJ UPDATED 7/17/2008. *PE
SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY
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Description: GM: THERE IS A NOISE FROM THE REAR OF THE VEHICLE DURING ACCELERATION AND IS FROM METAL TO METAL CONTACT OF BUSHINGS. 2006-2012 EXPRESS/SAVANA. *RM
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Description: REAR LEAF SPRING SLAP OR CLUNK NOISE (REPLACE SPRING INSERTS) *TT UPDATED 10/18/07. *NJ
SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:LEAF
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Description: GM: THERE IS A NOISE FROM THE REAR OF THE VEHICLE DURING ACCELERATION AND IS FROM METAL TO METAL CONTACT OF BUSHINGS. 2006-2012 EXPRESS/SAVANA. *RM
ELECTRONIC STABILITY CONTROL
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Description: GMC/CHEVROLET: UNINTENTIONAL STABILITRAK/ABS ACTIVATION ON BANKED/CURVED ROAD. (REPROGRAM ELECTRONIC BRAKE CONTROL MODULE). THE STABILITRAK ACTIVATES ON BANKED CURVED ROADS DURING NORMAL DRIVING CONDITIONS FOR THE SURFACE. IMPACT TO BRAK
TRACTION CONTROL SYSTEM
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Description: CHEVROLET/GMC: FALSE TRACTION CONTROL SYSTEM (TCS) ACTIVATION AT LOW SPEEDS, DTC C0710 SET (REPROGRAM ELECTRONIC BRAKE CONTROL MODULE (EBCM)). *PE
SERVICE BRAKES, HYDRAULIC:ANTILOCK:CONTROL UNIT/MODULE
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Description: FALSE TRACTION CONTROL SYSTEM (TCS) ACTIVATION AT LOW SPEEDS, DTC C0710 SET (REPROGRAM ELECTRONIC BRAKE CONTROL MODULE (EBCM)) WITH RPO JL4 AND BUILT PRIOR TO AUGUST 13, 2007. *NJ
SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE
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Description: GMC/CHEVROLET: UNINTENTIONAL STABILITRAK/ABS ACTIVATION ON BANKED/CURVED ROAD. (REPROGRAM ELECTRONIC BRAKE CONTROL MODULE). THE STABILITRAK ACTIVATES ON BANKED CURVED ROADS DURING NORMAL DRIVING CONDITIONS FOR THE SURFACE. IMPACT TO BRAK
SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
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Description: CHEVROLET/GMC: ABS LIGHT AND/OR SERVICE STABILITY MESSAGE ON WITH DTC C0045 AND/OR C0050.. THIS CODE MAY BE CAUSED BY A WIRE PULLING OUT OF THE CRIMP ON A TERMINAL AT THE X413 OR X414 CONNECTOR. *PE
ENGINE AND ENGINE COOLING
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Description: GM: THE SERVICE ENGINE SOON LIGHT IS ON, THERE IS ALSO A MISFIRE OR ENGINE NOISE. THERE ARE MULTIPLE POSSIBLE CAUSES. *RM
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Description: GM: CHECK ENGINE LIGHT IS ON WITH NUMEROUS POSSIBLE FAULT CODES. THERE MAY BE A SHORT IN A TURBOCHARGER SENSOR. *RM
ENGINE AND ENGINE COOLING:ENGINE
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Description: BUICK/CADILLAC/CHEVROLET/GMC/HUMMER/PONTIAC/SAAB: OIL CONSUMPTION AND/OR EXHAUST SMOKE-POSSIBLE PCV BAFFLE OR LIFTER CONCERN. UPON INSPECTION, OBVIOUS OIL WILL BE FOUND IN THE INTAKE MANIFOLD AND/OR PCV VACUUM TUBE. *PE UPDATED 3/21/
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Description: GM: THERE IS AN INTERMITTENT ENGINE LIGHT ON DUE TO FIVE POSSIBLE INTERNAL TROUBLE CODES. THERE MAY ALSO BE AN EXTENDED CRANK AFTER FILLING THE FUEL TANK. *RM UPDATED 5/31/11. *PE UPDATED ON 06/16/2011. *KB UPDATED A SECOND TIME
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Description: PONTIAC/SATURN/BUICK/GMC/CHEVROLET/CADILLAC/HUMMER: VEHICLE START AND STALLS AFTER THEFT DETERRENT MODULE REPLACEMENT. MODEL YEARS 2006-2011. DOES NOT APPLY TO VEHICLES WITH KEYLESS ACCESS SYSTEM. *PE
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Description: CHEVROLET/GMC: POSSIBLE ENGINE OVERHEAT OR LOSS OF COOLANT. NORMAL SI DIAGNOSTICS WILL LEAD TO INSPECTING THE WATER PUMP FOR PROPER OPERATION. WHEN WATER PUMP IS REMOVED, BE SURE TO INSPECT THE IMPELLER. *PE
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Description: GMC\CHEVROLET SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SERVICE ENGINE SOON LIGHT ILLUMINATED-EXHAUST GAS RECIRCULATION (EGR) COOLER PLUGGING PREVENTION. *PE
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Description: GENERAL MOTORS: MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED, INTERMITTENT DTC P0191, SLOW FUEL RAIL PRESSURE (FRP) DECAY, WIRING HARNESS CONNECTIONS, VOLTAGE FLUCTUATIONS/INTERRUPTIONS (FOLLOW CORRECTION INFORMATION BELOW). *PE
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Description: CHEVROLET SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ECM EEPROM - REPROGRAM ECM. ALL 2007 AND CERTAIN 2008 CHEVEROLET SILVERADO AND EXPRESS AND GMC SIERRA AND SAVANA EQUIPPED WITH 6.6L DURAMAX VA DIESEL (RPO LMM - VIN 6
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Description: OIL LEAK AT REAR OF ENGINE. EQUIPPED WITH A 4.8, 5.3, 6.0 OR 6.2 V8 ENGINE. *NJ
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO-CHARGER
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Description: GMC: OIL LEAK AT TURBOCHARGER AIR INTAKE PIPE. INITIAL INSPECTION MA REVEAL A LEAK THAT LOOKS AS IT IS COMING FROM THE REAR OF THE ENGINE. *PE
ENGINE AND ENGINE COOLING:ENGINE:DIESEL
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Description: GM: AN 'ENGINE POWER IS REDUCED' MESSAGE APPEARS AND THERE IS A STORED TROUBLE CODE. THIS IS CAUSED BY WEAR OF THE INTERNAL FUEL INJECTOR. *RM
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Description: DIESEL ENGINE GLOW PLUG TROUBLE CODES. *TT UPDATED 3/15/10. *PE
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Description: GMC/CHEVROLET: ENGINE COOLANT SENSOR DTCS P011A, P2184, AND P2185. DEALER MAY ENCOUNTER CONCERN OF SES LIGHT ON OR DTCS P011A, P2184 AND P2185. DIESEL ENGINES HAVE 2 ECT (ENGINE COOLANT TEMPERATURE) SENSORS. *PE
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Description: CHEVROLET/GMC: TURBO VANE POSITION SENSOR WIRE CHAFE; REDUCED POWER AND/OR THE SES/MIL LIGHT ON. INITIAL DIAGNOSIS MAY REVEAL ONE OR A COMBINATION OF TURBO DTCS P003A, P0234, P0401, P0402, P0652, P0698, P0699, P2563. IF ONE OR COMBINATION
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Description: CHEVROLET/GMC: DIESEL ENGINE TURBO DTC P2563 OR P003A. MAY ENCOUNTER A CONCERN OF SES LIGHT, REDUCED POWER, LOW POWER. *PE
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Description: GMC: EGR LOW FLOW DTC P0401. VEHICLES THAT ARE EQUIPPED WITH THE 6.6L DIESEL ENGINE RPO CODE LM. *PE
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Description: DURAMAX DIESEL DPF REGENERATION CHANGES - VEHICLES EQUIPPED WITH THE 6.6 DURAMAX DIESEL ENGINE RPO CODE LMM. *NJ
ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO-CHARGER
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Description: GM: INFORMATION ON INSPECTING AND REPLACING TURBOS. *RM
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Description: GM: THERE MAY BE REDUCED POWER AND AN INTERNAL TROUBLE CODE IN HIGH TEMPERATURES OR WHEN NEAR THE TOWING LIMIT. *RM
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Description: CHEVROLET/GMC: DIESEL ENGINE TURBO DTC P2563 OR P003A. MAY ENCOUNTER A CONCERN OF SES LIGHT, REDUCED POWER, LOW POWER. *PE
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Description: GMC: OIL LEAK AT TURBOCHARGER AIR INTAKE PIPE. INITIAL INSPECTION MA REVEAL A LEAK THAT LOOKS AS IT IS COMING FROM THE REAR OF THE ENGINE. *PE
ENGINE AND ENGINE COOLING:COOLING SYSTEM
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Description: CHEVROLET/GMC: POSSIBLE ENGINE OVERHEAT OR LOSS OF COOLANT. NORMAL SI DIAGNOSTICS WILL LEAD TO INSPECTING THE WATER PUMP FOR PROPER OPERATION. WHEN WATER PUMP IS REMOVED, BE SURE TO INSPECT THE IMPELLER. *PE
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
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Description: BUICK/CADILLAC/CHEVROLET/GMC/HUMMER/PONTIAC/SAAB: OIL CONSUMPTION AND/OR EXHAUST SMOKE-POSSIBLE PCV BAFFLE OR LIFTER CONCERN. UPON INSPECTION, OBVIOUS OIL WILL BE FOUND IN THE INTAKE MANIFOLD AND/OR PCV VACUUM TUBE. *PE UPDATED 3/21/
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Description: 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
FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL
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Description: GENERAL MOTORS: MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED, INTERMITTENT DTC P0191, SLOW FUEL RAIL PRESSURE (FRP) DECAY, WIRING HARNESS CONNECTIONS, VOLTAGE FLUCTUATIONS/INTERRUPTIONS (FOLLOW CORRECTION INFORMATION BELOW). *PE
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Description: GMC: FUEL RAIL PRESSURE SENSOR PERFORMANCE DTC P0191. MAY SET DUE TO ACTUAL FUEL RAIL PRESSURE NOT DROPPING QUICKLY ENOUGH WHEN THE ENGINE IS SHUT OFF. *PE
FUEL SYSTEM, DIESEL
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Description: GM: THERE MAY BE REDUCED POWER AND AN INTERNAL TROUBLE CODE IN HIGH TEMPERATURES OR WHEN NEAR THE TOWING LIMIT. *RM
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Description: DURAMAX DIESELS WITH DTC P009E, VEHICLES EQUIPPED WITH THE 6.6 DURAMAX DIESEL ENGINE RPO CODE LMN. *NJ UPDATED 4/7/08. *NJ
POWER TRAIN:AUTOMATIC TRANSMISSION
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Description: 4L60-E/4L65-E/4L70-E AUTOMATIC TRANSMISSION FLUID LEAK FROM OIL PUMP OR BELL HOUSING AREA (REPLACE TORQUE CONVERTER HUB-TO-OIL PUMP SEAL ASSEMBLY). ATTN: THIS BULLETIN APPLIES TO VEHICLES BUILT PRIOR TO DECEMBER 2007. *PE
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Description: DIAGNOSTIC INFORMATION ON MN8, MT1 SES/MIL ILLUMINATED, DTC P0757, HARSH SHIFT, DELAYED 2-3 SHIFT, 2-3 SHIFT FLARE, NO THIRD GEAR, SLIPS IN THIRD GEAR OR REVERSE. *PE
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Description: DIAGNOSTIC INFORMATION ON MH1, MN8, MT1, M15 TRANSMISSION SLIPS, WILL NOT SHIFT OR MAY OVERHEAT, SES/MIL MAY BE ILLUMINATED, DTCS P0218, P0894 SET. *PE UPDATED 8/12/08. *PE
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Description: SLIP CONDITION IN 2ND, 3RD, OR 4TH. DAMAGED 2-4 OR 3-4 CLUTCH. *KB UPDATED 10/31/07. *NJ
POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
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Description: U0106 LOSS OF COMMUNICATION WITH GLOW PLUG CONTROL MODULE. EQUIPPED WITH THE 6.6L DURAMAX DIESEL ENGINE RPO CODE LMM. *NJ
POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES
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Description: GMC: LEAK FROM TRANSMISSION OIL COOLER LINE FITTING ON VEHICLES BUILT IN APRIL OR MAY, 2008. *PE
POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
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Description: TRANSFER CASE FRONT INPUT SHAFT SEAL IS POPPED OUT. EQUIPPED WITH (AWD). *NJ
ELECTRICAL SYSTEM
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Description: GM: THE DOME LIGHT IS INOPERATIVE. THE AIR BAG LIGHT IS ON AND THE DOOR AJAR LIGHT IS ON. THIS IS LIKELY CAUSED BY A WIRING HARNESS. *RM UPDATED ON 6/27/2011. *KB
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Description: BUICK/CADILLAC/CHEVROLET/GMC/HUMMER/PONTIAC/SATURN: ADDITIONAL DIAGNOSTIC INFORMATION FOR U0140 OR U0073. VEHICLE MAY EXHIBITS SOME SYMPTOM(S) AS DOOR LOCKS CYCLE WHILE DRIVING; INTERMITTENT NO START; SERVICE STABILITRAK DIC MESSAGE; SPEE
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Description: STABILITRAK DISABLE SWITCH IS INOPERATIVE. *TT UPDATED 2/27/08. *NJ
ELECTRICAL SYSTEM:WIRING
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Description: GM SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE CHECK ENGINE LIGHT IS ON WITH THE ENGINE RUNNING ROUGH. THE SPARK PLUG WIRE BOOTS DON'T PROVIDE ENOUGH PROTECTION. *RM
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Description: BUICK/CADILLAC/CHEVROLET/GMC/HUMMER/PONTIAC/SATURN: ADDITIONAL DIAGNOSTIC INFORMATION FOR U0140 OR U0073. VEHICLE MAY EXHIBITS SOME SYMPTOM(S) AS DOOR LOCKS CYCLE WHILE DRIVING; INTERMITTENT NO START; SERVICE STABILITRAK DIC MESSAGE; SPEE
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Description: CHEVROLET/GMC: TURBO VANE POSITION SENSOR WIRE CHAFE; REDUCED POWER AND/OR THE SES/MIL LIGHT ON. INITIAL DIAGNOSIS MAY REVEAL ONE OR A COMBINATION OF TURBO DTCS P003A, P0234, P0401, P0402, P0652, P0698, P0699, P2563. IF ONE OR COMBINATION
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Description: GENERAL MOTORS: MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED, INTERMITTENT DTC P0191, SLOW FUEL RAIL PRESSURE (FRP) DECAY, WIRING HARNESS CONNECTIONS, VOLTAGE FLUCTUATIONS/INTERRUPTIONS (FOLLOW CORRECTION INFORMATION BELOW). *PE
ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH
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Description: SIR LAMP ON DTC B0012 SET IN THE SDM. *NJ
ELECTRICAL SYSTEM:FUSES AND CIRCUIT BREAKERS
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Description: GM: THE SERVICE STABILITRAK MESSAGE BEING DISPLAYED IN DIC. THE STABILITRAK INDICATOR LIGHT MAY ALSO BE ON. *JS
DIGITAL INSTRUMENT PANEL
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Description: BUICK/CADILLAC/CHEVROLET/GMC/HUMMER/PONTIAC/SATURN: ADDITIONAL DIAGNOSTIC INFORMATION FOR U0140 OR U0073. VEHICLE MAY EXHIBITS SOME SYMPTOM(S) AS DOOR LOCKS CYCLE WHILE DRIVING; INTERMITTENT NO START; SERVICE STABILITRAK DIC MESSAGE; SPEE
EXTERIOR LIGHTING:TAIL LIGHTS
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Description: CHEVROLET\GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. MISSING CIRCUITS FOR TRAILER LIGHTS - TRAILER LIGHTS INOPERATIVE. ON CERTAIN VEHICLES EQUIPPED WITH TRAILER WIRING HARNESS (RPO UY7) AND UPFITTER RECREATION VEHI
AIR BAGS
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Description: GENERAL MOTORS: DIAGNOSTIC INFORMATION FOR INTERMITTENT RESTRAINTS, AIR BAG (SIR) INDICATOR/LAMP ON WITH DTC(S) B0012, B0013, B0016, B0016, B0019, B0020, B0022, B0023, B0026, B0033, B0040, B0042 OR B0044 SET. THIS MAY BE CAUSED BY A LOOSE,
SEAT BELTS
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Description: GM: THERE ARE SEAT BELT PROBLEMS: DIFFICULTY LATCHING AND UNLATCHING BUCKLE. BUCKLE RELEASE BUTTON IS STICKING. SEAT BELT WARNING LIGHT ILLUMINATED. LIKELY CAUSED BY STICKY BEVERAGES THAT ARE SPILLED INTO THE BUCKLE ASSEMBLY. *RM UPDATED 4/
SEAT BELTS:FRONT:WEBBING
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Description: GM: SERVICE BULLETIN EXPLAINING WHEN THE SAFETY BELTS ARE SUPPOSED TO LOCK. *RM UPDATED 12/6/11. *PE
SEAT BELTS:FRONT:RETRACTOR
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Description: GM: SERVICE BULLETIN EXPLAINING WHEN THE SAFETY BELTS ARE SUPPOSED TO LOCK. *RM UPDATED 12/6/11. *PE
SEAT BELTS:FRONT:WARNING LIGHT/DEVICES
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Description: GM: THERE ARE SEAT BELT PROBLEMS: DIFFICULTY LATCHING AND UNLATCHING BUCKLE. BUCKLE RELEASE BUTTON IS STICKING. SEAT BELT WARNING LIGHT ILLUMINATED. LIKELY CAUSED BY STICKY BEVERAGES THAT ARE SPILLED INTO THE BUCKLE ASSEMBLY. *RM UPDATED 4/
STRUCTURE:FRAME AND MEMBERS
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Description: GM: ON SOME TRUCK MODELS THERE IS SOME FRAME CORROSION. *RM UPDATED ON 5/2/2012. *KB
LATCHES/LOCKS/LINKAGES
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Description: CHEVROLET/GMC: BULLETIN PROVIDING INFORMATION REGARDING AVAILABILITY OF FRONT SIDE DOOR LATCH/LOCK AS A SEPARATE PART. *PE
LATCHES/LOCKS/LINKAGES:DOORS:LATCH
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Description: CHEVROLET/GMC: BULLETIN PROVIDING INFORMATION REGARDING AVAILABILITY OF FRONT SIDE DOOR LATCH/LOCK AS A SEPARATE PART. *PE
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Description: GM: THE FRONT OR REAR DOOR MAY NOT OPEN FROM THE INSIDE OR OUTSIDE HANDLE, THE DOOR WILL NOT UNLOCK WITH ANY METHOD. THE PROBABLY CAUSE AN INCORRECT INSTALLATION OF A HANDLE COMPONENT. *RM
EQUIPMENT:OTHER:LABELS
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Description: CHEVROLET\GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. INCORRECT GVWR DESIGNATOR IN THE VEHICLE IDENTIFICATION NUMBER (VIN) ON CERTAIN 2008 CHEVROLET AND GMC COMMERCIAL VEHICLES. *NJ
UNKNOWN OR OTHER
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Description: GM: INFORMATION ON FIXING MULTIPLE SITUATIONS RIGHT THE FIRST TIME. *RM