WenmarOpen by Wenmar Pro

Service bulletins for the 2008 Chevrolet Silverado

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1645 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
PIP-46602010-06-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. 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
PIC-48722010-06-04. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. GMC/CHEVROLET/CADILLAC: SIR MIL ON WITH DTC B1325 SYM 03. DURING A LOW BATTERY/VOLTAGE CONDITION THE PASSENGER PRESENCE SYSTEM MAY SET A B1325 SYM 03 ALONG WITH OTHER FAULTS THAT ARE CAUSED BY THE LOW BATTER/VOLTAGE CONDITION. *PE
PIP-47132010-03-26. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:WIRING. CHEVROLET/GMC: INSPECT FOR WIRE HARNESS CHAFES NEAR CONNECTOR X108. DEALER MAY ENCOUNTER A CONCERN OF THE SES LIGHT ON WITH REDUCED POWER. DIAGNOSTICS MAY REVEAL DTC'S P0193, P0522 AND/OR P0652. *PE
PIP-4653 B2010-03-24. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). BUICK/CHEVROLET/HUMMER/GMC/PONTIAC/CADILLAC/SATURN: TECHNICIANS MAY FIND DTCS P0601, P0603, P0604, P062F OR P1621 STORED IN THE TCM AS AN ACTIVE OR A HISTORY CODE. SOME OF THESE DTCS CAN ALSO BE SET IN THE ECM OR FPCM. MAKE SURE THAT YOU KNOW WHICH MODULE (FOR EXAMPLE ECM, FPCM OR TCM) HAS SET THE DTC BEFORE ATTEMPTING TO DIAGNOSE AND REPAIR THIS CONDITION. *PE UPDATED 8/1/11. *PE
PIT-4816A2010-03-15. Service bulletin. ELECTRICAL SYSTEM. CHEVROLET/GMC/CADILLAC: MULTIPLE ELECTRICAL CONCERNS WITH DTC C0900 - KEYWORDS BATTERY C/K CABLE CLOCK CRANK CYCLE DOOR DIMMING FLICKER GAGE GAUGE GMC HVAC INOP INOPERATIVE INSTRUMENT INTERMITTENT IPC LOCK NO PANEL POWER RADIO STALL START TEMPERATURE. *PE UPDATED 3/28/11. MODEL YRS 2007-2009. *PE UPDATED ON 6/27/2011 ADDED MODEL YRS 2010-2011. *KB MODEL YEARS ADDED 2012, 2013, AND 2014. UPDATED 12/2/2013*JS
PIT-4790A2010-03-15. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. GMC/CHEVROLET/CADILLAC: VEHICLE FUEL GAUGE INACCURATE BELOW 1/4 TANK. ON RARE OCCASIONS, THE VEHICLE HAS AN INACCURATE FUEL GAUGE READING AT 1/4 OR A 1/8 OF A TANK. *PE
SB-09-09-41-0052010-03-06. Service bulletin. PARKING BRAKE:CONVENTIONAL:MECHANICAL:LINKAGE AND CABLE; AIR BAGS. GMC/CADILLAC/CHEVROLET: AIR BAG READINESS LIGHT ON, SERVICE AIR BAG MESSAGE, INFLATABLE RESTRAINT SENSING AND DIAGNOSTIC MODULE (SDM) CORROSION (REPLACE SDM/CUT AND REMOVE CARPET PAD). *PE
SB-09184-A2010-03-05. Service bulletin. ELECTRICAL SYSTEM. GMC CHEVROLET SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. MATERIAL OVER SENSING & DIAGNOSTIC MODULE RETAINING MOISTURE. VEHICLES MAY HAVE A CONDITION WHERE AN ELECTRONIC COMPONENT LOCATED BENEATH THE DRIVER'S SEAT MAY CORRODE DUE TO A SIGNIFICANT QUANTITY OF SNOW AND/OR WATER CONTAINING ROAD SALT OR OTHER CONTAMINANTS ENTERING THE VEHICLE AND SATURATING THE ACOUSTICAL PADDING BENEATH THE CARPET. CSC LETTER WAS RECEIVED. *PE UPDATED 4/7/15. *PE
SB- 092852010-03-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GMC CHEVROLET SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SERVICE ENGINE SOON LIGHT ILLUMINATED-EXHAUST GAS RECIRCULATION (EGR) COOLER PLUGGING PREVENTION. *PE
SB-090382010-01-06. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). CHEVROLET GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ENHANCED CALIBRATION FOR TRANSMISSION OVERHEAT IN EXTREME COLD AIR TEMPERATURES. LOCATED IN CERTAIN US COLD WEATHER STATES; ALBERTA, BRITISH COLUMBIA, MANITOBA, NEW FOUNDLAND, NORTHWEST TERRITORIES, ONTARIO, QUEBEC, SASKATCHEWAN, AND YUKON. SILVERADO HD AND SIERRA HD 2006-2008. *PE CSC LETTER WAS RECEIVED (ONLY). UPDATED. *PE PROGRAM BEEN REVISED TO EXPIRE 9/30/11. *PE
SB-09-03-09-0012009-11-30. Service bulletin. SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY; SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:LEAF. CHEVROLET/GMC: A CLUNKING NOISE COMING FROM THE REAR OF THE VEHICLE. UPON FURTHER INVESTIGATION, THE TECHNICIAN MAY DIAGNOSE THE NOISE COMING FROM THE REAR SUSPENSION LEAF SPRING AREA. *PE UPDATED 6/30/2011. *KB
PIT-48572009-11-25. Service bulletin. AIR BAGS; AIR BAGS:FRONTAL. GMC/CHEVROLET: SIR MIL ON AND TECH 2 WILL NOT COMMUNICATE WITH SDM. SOME MODULES MAY SET A COMMUNICATION DTC U0151 AGAINST SDM. DIAGNOSTICS MAY LEAD TO REPLACEMENT OF SDM AND REPLACING SDM MAY FIX THE CONCERN FOR A SHORT TIME OR IT MAY FAIL AGAIN ON THE FIRST OR SECOND IGNITION KEY CYCLE. THE HD SILVERADO AND SIERRAS ONLY. *PE
PIP-4414A2009-11-23. Service bulletin. SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY. CHEVROLET/GMC: A WHINE, GRIND OR CLUNK NOISE FROM THE REAR AXLE AT SPEEDS ABOVE APPROXIMATELY 30 MPH (50KPH). THIS CONDITION ONLY APPLIES TO 10.5 REAR AXLE ASSEMBLIES, WHICH ARE USED ON 2500 AND 3500 SERIES PICKUPS EQUIPPED WITH A 5.0L ENGINE. *PE
SB-070842006C2009-10-23. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL; EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT. GENERAL MOTORS: BCM CALIBRATIONS AVAILABLE TO RESTORE BULB OUTAGE DETECTION ON VEHICLES PRODUCED BY A SECOND STATE MANUFACTURER, TURN SIGNALS FLASH FAST AFTER FACTORY BOX REMOVED (UPFITTER). MAY NEED TO HAVE BODY CONTROL MODULE (BCM) REAR TURN SIGNAL BULB OUTAGE DETECTION CAPABILITY CHANGED. *PE UPDATED 5/20/11. *PE
PIT-4846A2009-09-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; LATCHES/LOCKS/LINKAGES:DOORS:LATCH; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ENGINE AND ENGINE COOLING:ENGINE. CADILLAC/CHEVROLET/GMC: LOCATIONS OF HIGH SPEED GMLAN WIRING CONCERNS. GAUGES INOPERATIVE, NO CRANK, HARSH TRANSMISSION SHIFTING, NO TRANSMISSION SHIFTING, DOOR LOCKS CYCLING AND INDICATORS ON. *PE UPDATED 11/17/10. *PE
PIP-46292009-08-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. CHEVROLET/GMC: DIESEL ENGINE TURBO DTC P2563 OR P003A. MAY ENCOUNTER A CONCERN OF SES LIGHT, REDUCED POWER, LOW POWER. *PE
SB-08-02-35-004A2009-08-05. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR; STEERING. GENERAL MOTORS: THE LEFT AND/OR RIGHT STEERING WHEEL LOWER (SPOKE) COVER IS WARPED, LOOSE, DISCOLORED OR JUST FITS POORLY IN THE STEERING WHEEL. THE PAINT FINISH SEEMS TO BE PEELING. *PE
TB-09-06-04-0242009-08-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. DIAGNOSTIC INFORMATION ON MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED WITH DTCS P0442,P0446, P0451, P0452, P0453, P0454, P0455 AND REPLACEMENT OF FUEL TANK PRESSURE (FTP) SENSOR/MODULE. *PE
TB-09-06-04-0222009-08-04. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL; ENGINE AND ENGINE COOLING:ENGINE; ELECTRICAL SYSTEM:WIRING. 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 UPDATED 11/23/09. *PE
TB-080849016B2009-08-01. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. GENERAL MOTORS: THE LOW FUEL WARNING LIGHT COMES ON OR THE GAUGE SHOWS EMPTY WHEN THERE IS FUEL IN THE TANK. *PE UPDATED 11/04/09. *PE
SB-08-09-41-002C2009-07-20. Service bulletin. AIR BAGS. 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, MISSING, OR BROKEN CONNECTOR POSITION ASSURANCE (CPA) RETAINER AT THE AIR BAG FOR THE SET DTC. INCLUDES TRAILBLAZER EXT. *PE UPDATED 8/16/10. *PE UPDATED 3/12/12. *PE
SB-08-06-03-006A2009-05-22. Service bulletin. AIR BAGS; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). GENERAL MOTORS: ENGINE RUNNING WITH KEY OFF, CONTINUOUS RUN; SENSING DIAGNOSTIC MODULE (SDM), NO COMMUNICATION, SERVICE AIR BAG LIGHT ILLUMINATED (INSTALL DIODE TO SOLENOID/RELAY). *PE
PIT-47492009-05-05. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:AUXILLARY TANK:SELECTOR DEVICES; FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. GENERAL MOTORS: THE FUEL GAUGE BEING INACCURATE AND THE SES MIL ILLUMINATED. COULD BE CAUSED BY THE REAR TANK SENDER FLOAT ARM CONTACTING THE SIDE OF THE FUEL TANK OR FUEL FILLER SPUD INSIDE THE TANK. (CHASSIS CAB) *PE
PIT-4665A2009-03-20. Service bulletin. ELECTRONIC STABILITY CONTROL (ESC); EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. GENERAL MOTORS: DURING NORMAL DIAGNOSTICS AND/OR REPAIR VERIFICATION THE ABS LIGHT, TRACTION CONTROL AND/OR STABILITRAK INDICATORS MAY BE ON WITH NO DTC'S DISPLAYED BY THE EBCM. *PE UPDATED 11/17/10. *PE UPDATED 3/14/11. *PE
PIT-4364A2008-12-17. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:MOUNTING; FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:FILLING/CHARGING; FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY; FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:MOUNTING; FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY. GMC: SES MIL WITH DTC P1682. IF NORMAL DIAGNOSTIC DOES NOT LEAD TO CORRECTION, THIS CONCERN COULD BE CAUSED BY THE REAR FUEL TANK SENDER ASSEMBLY BEING MISPOSITIONED. IT COULD GIVE AN IMPROPER FUEL LEVEL READING TO THE ECM. *PE UPDATED 3/19/09. *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.