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Service bulletins for the 2008 GMC Sierra

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.

1655 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
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-07-06-04-019A2009-06-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ENGINE AND ENGINE COOLING:ENGINE. GENERAL MOTORS: INTERMITTENT MIL/SES/ DTC P2138 WITH REDUCED ENGINE POWER (REPAIR INSTRUMENT PANEL (IP) TO BODY HARNESS CONNECTOR). 2005-08 GM PASSENGERS CARS/LIGHT DUTY TRUCKS (INCL. SATURNS). *PE UPDATED 11/5/10. *PE UPDATED 4/4/11. *PE UPDATED 2/3/16. *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
PIT-3046E2008-12-05. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. GMC: FUEL GAUGE FLUCTUATION IN PARK OR NEUTRAL, CAUSING THE LOW FUEL LIGHT TO ILLUMINATE. *PE
PIT-4696A2008-12-04. Service bulletin. VISIBILITY:REAR WINDOW WIPER/WASHER:MOTOR; LATCHES/LOCKS/LINKAGES:DOORS:LATCH; INTERIOR LIGHTING; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EXTERIOR LIGHTING:HEADLIGHTS; EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH; EXTERIOR LIGHTING:FOG LIGHTS; EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT; EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS; EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT; VISIBILITY:WINDSHIELD WIPER/WASHER:SWITCH/WIRING. GMC: BMC FAILURE AFTER WINDSHIELD WIPER OPERATION-KEYWORDS: AJAR DOOR DOME DRIVER DIMMER FLASHER FOG HAUL HEADLIGHT HEAD HIGH HAZARD INOP INOPERATIVE LAMP LIGHT LOCK LOW NOT ON OFF POWER PARK RADIO RAP REPEAT SIGNAL SHUT SPEED STAY SWITCH TURN TOW UNLOCK UNWANTED WINDOW. MAY BE DUE TO INTERNAL BCM DAMAGE. *PE
PIT-4613A2008-12-04. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS; ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES. GMC: INTERMITTENT NO CRANK AND/OR DISCHARGED BATTERY. COULD BE CAUSED BY A LOOSE CONNECTION AT THE 175 AMP MEGA FUSE LOCATED ON THE PASSENGER SIDE OF THE COWL. *PE
08-03-16-0042008-12-03. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. GMC: TIRE PRESSURE LIGHT STAYS ON (REPROGRAM RCDLR) EVEN THOUGH TIRE PRESSURE VALUES ARE CORRECT. *PE
PIP-44302008-11-26. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL. 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
PIP-44242008-11-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. GMC: LEAK FROM TRANSMISSION OIL COOLER LINE FITTING ON VEHICLES BUILT IN APRIL OR MAY, 2008. *PE
PIP-4372B2008-11-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. 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
08-04-19-0042008-11-20. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. GMC: CORRECT FRONT AXLE VENT HOSE ROUTING. THE FRONT AXLE VENT HOSE IS MOUNTED IN THE LEFT SIDE OF THE ENGINE COMPARTMENT, AND MAY NOT BE CORRECTLY ROUTED. *PE UPDATED ON 5/1/2012. *KB
PIP-43952008-10-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. GMC: FLARE AND OR HARSH 2-3 SHIFTS. THIS CONDITION MAY BE CAUSED BY LEAKING 1-2-3-4 AND 3-5-R CLUTCH FLUID SEAL RINGS (230). MODELS CADILLACS, CHEVROLETS, GMC, HUMMERS, PONTIACS. EQUIPPED WITH 6L80 (RPO MYC) OR 6L90 (RPO MYD) AUTOMATIC TRANSMISSION. *PE
PIP-43802008-09-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. GMC: EGR LOW FLOW DTC P0401. VEHICLES THAT ARE EQUIPPED WITH THE 6.6L DIESEL ENGINE RPO CODE LM. *PE
08-06-03-0072008-09-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GMC: NO START, NO CRANK, INTERMITTENT ELECTRICAL OPERATIONS (CHECK FOR POOR CONNECTIONS WITHIN ENGINE WIRING HARNESS JUNCTION BLOCK). *PE
08-08-42-0032008-09-24. Service bulletin. EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH. GMC: STOP LAMPS INTERMITTENTLY TURN OFF AFTER COMING TO A COMPLETE STOP WHILE STILL HAVING PRESSURE ON BRAKE PEDAL (REPLACE STOP LAMP SWITCH). *PE UPDATED 3/1/10. *PE
SB-07-08-42-006H2008-08-29. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL. INFORMATION ON BCM CALIBRATIONS AVAILABLE TO RESTORE BULB OUTAGE DETECTION ON VEHICLES PRODUCED BY A SECOND STAGE MANUFACTURER, TURN SIGNALS FLASH FAST AFTER FACTORY BOX REMOVED (UPFITTER). CHASSIS CAB MODELS AND PICKUPS WITH BOX DELETE OPTION ONLY (RPO ZW9). *PE UPDATED 4/3/2012. *PE MODELS 2007-13 SILVERADO; SIERRA. UPDATED 11/28/12. *PE UPDATED 1/24/13. *PE UPDATED 09/03/14*LJ UPDATED 12/5/14. PE
07-06-04-033A2008-08-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. LMM, CLEAN EXHAUST FILTER LIGHT ILLUMINATED, MIL/SES LIGHT ILLUMINATED WITH DTC(S) P244B AND/OR P2463 SET (PERFORM ALL SI DIAGNOSTICS FOR DTC(S) SET, IF NTF, REPLACE AIR FILTER). VEHICLES WITH 6.6L DURAMAX DIESEL ENGINE. *PE
08-07-30-0232008-08-28. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 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

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