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Service bulletins for the 2002 GMC Sonoma

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.

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

By type

By component

By trouble code

Bulletins, newest first
PIT-47222008-12-18. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. GMC: FLUID LEAK FROM TRANSMISSION OIL COOLER LINES DUE TO CORROSION. ALL 2000-2006 LIGHT DUTY TRUCKS EQUIPPED WITH THE LIGHT DUTY AUTOMATIC TRANSMISSION. *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
060202006-12-08. Service bulletin. STRUCTURE:BODY:TAILGATE:HINGE AND ATTACHMENTS. SPECIAL POLICY ADJUSTMENT - TAILGATE SUPPORT CABLE REPLACEMENT. *KB
41142006-10-23. Service bulletin. STRUCTURE:BODY. CLUNK NOISE FELT THROUGH THE FLOOR PAN. *KB
007732005-10-27. Service bulletin. POWER TRAIN. 4L60E, 4L65E REPLACEMENT VALVE BODY GASKETS DOES NOT SEEM TO FIT. *TT
3170B2005-10-27. Service bulletin. ELECTRICAL SYSTEM. INSTRUMENT PANEL CLUSTER INTERIOR AND/OR HEAD LAMPS FLICKER. *TT
572005-09-14. Service bulletin. STRUCTURE:BODY. WATER LEAK IN FRONT FLOOR CARPET AREA. GM TECH LINK. *TT
6092005-09-02. Service bulletin. SUSPENSION:REAR. AXLE WATER CONTAMINATION. *SC
33002005-04-21. Service bulletin. POWER TRAIN:DRIVELINE. 4WD MODELS WITH NOISE, VIBRATION ON DRY PAVEMENT. *EH
33592005-04-21. Service bulletin. ELECTRICAL SYSTEM. INTERIOR LIGHTS INOPERATIVE AFTER BCM REPLACEMENT B2618 DIAGNOSTIC TROUBLE CODE. *TT
070820042005-04-12. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. REAR AXLE WATER CONTAMINATION. *EH
0406030022005-03-11. Service bulletin. ENGINE AND ENGINE COOLING. DIAGNOSTIC INFORMATION FOR INTERMITTENT VEHICLE NO CRANK DEAD BATTERY. *EH
32272005-01-31. Service bulletin. STRUCTURE:BODY:TAILGATE. TAILGATE CABLE SLACK. THIS INCLUDES 1998-2006 CHEVROLET AND GMC FULL AND MID SIZE TRUCKS. *EH UPDATED. *KB
0404200032004-12-28. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. DIAGNOSTIC INFORMATION ON REAR AXLE VENT HOSE TO AVOID MOISTURE/WATER INTRUSION. *TT
0405230082004-12-28. Service bulletin. SERVICE BRAKES, HYDRAULIC. REVISED REAR ROTOR MINIMUM ALLOWABLE THICKNESS AFTER REFINISH SPECIFICATION. ALSO INCLUDES 2005 CHEVROLET BLAZER AND GMC JIMMY AND THE 2001 ISUZU ASCENDER (4WD ONLY). *TT
30812004-11-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON LIGHT AND P0300 WHEN TOWING, CRUISING UPHILL OR ON HARD ACCELERATION. *TT
3176A2004-11-09. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HEAT COMING FROM VENTS WITH HVAC OFF. *TT
3170C2004-11-05. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. INSTRUMENT PANEL CLUSTER (IPC) INTERIOR AND/OR HEAD LAMPS FLICKER. *TC
31362004-11-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. THE 4L60E/4L65E AUTOMATIC TRANSMISSION SLIP CONDITION IN 2ND, 3RD, OR 4TH GEAR. ALSO TO INCLUDE THE PONTIAC GTO 2005. *TC
31302004-11-04. Service bulletin. ELECTRICAL SYSTEM. INSTRUMENT CLUSTER PRNDL INOPERATIVE AND OR BATTERY LIGHT ON. *SC
31532004-11-03. Service bulletin. ENGINE AND ENGINE COOLING. TRANSFER CASE OIL IN HVAC VACUUM LINES SUPPLEMENT TO 03-01-38-009. *TC UPDATE. *TT
3031A2004-10-14. Service bulletin. ELECTRICAL SYSTEM. DRIVER INFORMATION CENTER (DIC) STAYS IN BULB CHECK. *TT
20102004-10-14. Service bulletin. INTERIOR LIGHTING. INSTRUMENT PANEL CLUSTER (IPC) INTERIOR HEAD LAMPS FLICKER. *TT
3046A2004-09-27. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. FUEL GAUGE FLUCTUATION IN PARK OR NEUTRAL. *TT
30022004-08-23. Service bulletin. POWER TRAIN. 4L60E/4L65E INTERMITTENT NEUTRAL CONDITION WHILE ACCELERATING FROM A STOP OR WHILE DRIVING. *TT 1999-2006 GM CARS, LIGHT DUTY TRUCKS AND UTILITIES. *TT

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