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Service bulletins for the 2003 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.

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

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Bulletins, newest first
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
08-0892008-11-15. Service bulletin. EQUIPMENT:ELECTRICAL. BUICK CADILLAC CHEVROLET GMC HUMMER OLDSMOBILE PONTIAC SAAB SATURN SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIAL COVERAGE ADJUSTMENT-ANALOG ONSTAR DEACTIVATION. FCC RULED IN 2002 WIRELESS CARRIERS WOULD NO LONGER RE REQUIRED TO SUPPORT ANALOG WIRELESS NETWORK STARTING IN 2008. *PE CSC LETTER WAS RECEIVED. UPDATED 12/1/08. *PE
07187A2008-11-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. CADILLAC CHEVROLET GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SOME VEHICLES COULD DEVELOP A CONDITION WHERE ONE OR MORE OF THE INSTRUMENT PANEL GAUGE NEEDLES MAY STICK, FLUTTER, OR BECOME INOPERATIVE. CSC LETTER RECEIVED. UPDATED 11/6/08. *PE
PIT3504D2008-09-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SOME CUSTOMERS MAY COMMENT ON VARIOUS HVAC CONCERNS INCLUDING TEMPERATURE DOORS DEFAULTING TO FULL HOT POSITION OR UNABLE TO OBTAIN DEFROST POSITION. *PE
08-07-30-0012008-08-28. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L80E, MT1 AND 4L85E, MN8 SIMPLIFIED VALVE BODY RECONDITIONING INSTRUCTIONS, DTC P0741, P0742, P0752, P0752, P0756, P0757, P0894, HARSH OR DELAYED SHIFTS, SLIPS, NO DRIVE, NO REVERSE. *PE UPDATED 6/11/10. *PE
08-07-30-0152008-08-12. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 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
000235003N2008-07-14. Service bulletin. STEERING:COLUMN. CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL AND/OR STEERING COLUMN (REPLACE UPPER INTERMEDIATE STEERING SHAFT [I-SHAFT] ASSEMBLY). *PE
PIP4054A2008-04-07. Service bulletin. SUSPENSION:REAR; POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. EATON LOCKING DIFFERENTIAL CHATTER SHUDDER NOISE ON TURNS, EQUIPPED WITH A LOCKING REAR DIFFERENTIAL RPO G80. *NJ UPDATED 7/17/2008. *PE
PIP33432008-04-07. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). 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
070572008-03-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. CHEVROLET GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIAL COVERAGE ADJUSTMENT - ENGINE GLOW PLUG ON CERTAIN VEHICLES WITH 6.6L DIESEL V8 (RPO LB7 - VIN 1) ENGINE & CALIFORNIA EMISSIONS (YF5/NE1) OR CLEAN FUEL EMISSIONS (VCL). CSC WAS RECEIVED. *NJ
30612008-01-31. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). DTC C0327 WITH OR WITHOUT ADDITIONAL DTC'S SETTING. WITH FOUR WHEEL DRIVE (4WD) ONLY. *NJ
PIP-42902008-01-30. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). ENGINE SURGE OR STALL AT STOP AND/OR DTC P0742 POSSIBLE TCC APPLIED. EQUIPPED WITH ALLISON LCT1000 TRANSMISSION RPO M74 OR MW7. *NJ UPDATED 4/22/13. *PE
071872008-01-10. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. CADILLAC CHEVROLET GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. INSTRUMENT PANEL CLUSTER GAUGE NEEDLE FUNCTION MAY CAUSE INACCURATE READINGS ON SOME 2003-2004 CADILLAC, CHEVROLET, AND GMC VEHICLES. *NJ UPDATED 2/5/08. *NJ UPDATED 9/5/08. *PE UPDATED 11/4/08. *PE
0708420132007-11-02. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT. TURN SIGNAL IN CAMPER STYLE OUTSIDE REARVIEW MIRROR (RPO DPN) DOES NOT ILLUMINATE TURN SIGNAL FLASH (REPLACE UPPER MIRROR GLASS) *NJ
44862007-10-04. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. ONE OF THE FOLLOWING CONCERNS WHEN PROGRAMMING THE MILEAGE OR THE HOURS INTO AN EXCHANGE INSTRUMENT PANEL CLUSTER THAT IS RECEIVED FROM AN ELECTRONIC SERVICE CENTER (ESC). *NJ
30752007-09-26. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. BLOWN MBEC 1 OR LBEC 1 FUSE. *KB
0502320082007-09-19. Service bulletin. STEERING:HYDRAULIC POWER ASSIST:PUMP. GEAR BOX POWER STEERING PUMP, P/S PERFORMANCE CONCERNS. *NJ UPDATED ON 6/30/2011. *KB
0405250022007-08-15. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT. ABS LIGHT ON, DTC'S C0265, C0201, U1041 SET AND/OR LOSS OF COMMUNICATION WITH BRAKE MODULE. (REGROUND EBCM GROUND). *KB
41442007-08-03. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. ALLISON LCT1000 HARSH 3-2, 2-1 DOWNSHIFT, AND ABS MAY ACTIVATE. *KB
0307300112007-07-24. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. DELAYED ENGAGEMENT WITH ALLISON TRANSMISSION, COLD HESITATION, MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED, DTC'S P0701, P1709, P1711, P1713, P0841, P0843, P0847, P0870, P0872, AND P0875. *KB
0706010092007-06-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. DIESEL ENGINE CYLINDER HEAD GASKET MISSING THICKNESS GRADE MARKINGS. *KB
40302007-06-15. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. NEW DESIGN FRONT AXLE SIDE BEARING ADJUSTERS. *KB
43652007-06-15. Service bulletin. INTERIOR LIGHTING. IPC BACKLIGHTING INOPERATIVE TBC 2A FUSE OPEN. *KB
35682007-03-13. Service bulletin. SERVICE BRAKES, AIR. SERVICE BRAKE BOOSTER MESSAGE. *KB
0103100102007-03-07. Service bulletin. SUSPENSION. INSPECTION OF TIRE AND WHEEL SIZE PRIOR TO DIAGNOSIS OF TRANSMISSION SHIFTS, POOR PERFORMANCE, SPEEDOMETER, CRUISE CONTROL CONCERNS. *KB

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