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Service bulletins for the 2001 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.

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

By type

By component

By trouble code

Bulletins, newest first
016422004-06-04. Service bulletin. ELECTRICAL SYSTEM. IPC (INSTRUMENT PANEL CLUSTER) GAUGE FLUCTUATION AFTER KEY-OFF. *TT
0307300562004-03-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L60-E AUTOMATIC TRANSMISSION OIL PUMP FIRST AND SECOND DESIGN IDENTIFICATION. *TT
01582A2004-02-25. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HVAC MODE SWITCH IS INOPERATIVE OR IS STUCK IN VENT MODE. *MN
014322003-12-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. AUTOMATIC TRANSMISSION POOR ACCELERATION, PERFORMANCE. *TT
0306040412003-12-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. POOR ENGINE PERFORMANCE - MISFIRE, ROUGH IDLE, SERVICE ENGINE SOON/CHECK ENGINE LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE (DTC) P0300 SET. *TT
010730002C2003-12-04. Service bulletin. POWER TRAIN. MALFUNCTION INDICATOR LAMP (MIL) IS ON; THE TRANSMISSION IS STUCK IN THIRD GEAR; AND / OR THE INSTRUMENT CLUSTER IS INOPERATIVE. *TT
030601024A2003-12-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. RATTLE NOISE IN ENGINE. *TT
01136C2003-11-22. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS. CLUNK NOISE FELT THROUGH FLOOR PAN. *TT
0301380092003-09-27. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HVAC MODE SWITCH INOPERATIVE OR STUCK IN VENT MODE, OIL IN HVAC CONTROL HEAD AND/OR VACUUM LINES. *TT
0308490032003-04-26. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. INACCURATE OR ERRATIC FUEL GAUGE READINGS AT 1/4 TANK OR LOWER. *TT
020421005A2003-04-15. Service bulletin. POWER TRAIN. SLIPS IN 4-WHEEL DRIVE, NOISE, VIBRATION, LEAKS, HOT ODOR. *TT
020525006A2003-03-28. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK. ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS ON VARIOUS MODELS INCLUDING THE 1995 AND 1996 ENVOY. *TT
0201380052003-03-28. Service bulletin. EQUIPMENT:ELECTRICAL. REVISED HEATER / VENT MODULE REPLACEMENT. *TT
0205250062003-02-11. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP. ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS. *TT
0410022002-11-09. Service bulletin. EQUIPMENT. INFORMATION ON OVER TORQUING OR A REVERSE BEDRAIL INSTALLATION. *TT
020730024A2002-10-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT
0204210052002-10-10. Service bulletin. POWER TRAIN. SOME VEHICLES WILL NOT MOVE WHEN 4-WHEEL DRIVE IS REQUESTED, NOISE, SHUDDER, POOR PERFORMANCE, TRANSMISSION / TRANSFER CASE SLIPS, TRANSMISSION WILL NOT UPSHIFT, SLIPS IN 4-WHEEL DRIVE. *TT
0206040112002-10-07. Service bulletin. ELECTRICAL SYSTEM:IGNITION:MODULE. SUBJECT REGARDING REVISED DIAGNOSTIC TROUBLE CODE P0140. *TT
0208570042002-10-03. Service bulletin. STRUCTURE:BODY. SUBJECT REGARDING GENERAL WATERLEAK GUIDE. *TT
0208640072002-05-22. Service bulletin. STRUCTURE:BODY:DOOR. SOME CUSTOMERS MAY COMMENT THAT THE THIRD DOOR IS HARD TO OPEN AND/OR THE DOOR HANDLE MAY BE BROKEN FOR 1996-2002 CHEVROLET AND GMC S/T EXTENDED CAB PICKUP MODELS.. *SLC
2502022002-04-09. Service bulletin. ELECTRICAL SYSTEM:WIRING: REAR COMPARTMENT/TRUNK. INFORMATION ON REPLACING CORRODED TRAILER PRE-WIRE HARNESS AT THE REAR BUMPER. *TT
2501022002-04-05. Service bulletin. STRUCTURE:BODY:DOOR. CONCERNS WITH EXCESSIVE EFFORT OR BREAKING OF THE THIRD DOOR HANDLE ON EXTENDED CAB PICK UPS. *TT
0107300382002-03-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME CUSTOMERS MAY COMMENT THAT THE SERVICE ENGINE SOON LAMP IS ILLUMINATED, NO 3RD AND 4TH GEAR, THE TRANSMISSION DOES NOT SHIFT CORRECTLY, THE TRANSMISSION FEELS LIKE IT SHIFTS TO NEUTRAL OR A LOSS OF DRIVE OCCURS. *TT
0107300432002-03-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUBJECT REGARDING DIAGNOSTIC TIPS FOR SLIPPING OR MISSING SECOND, THIRD AND/OR FOURTH GEAR. *TT
2510012002-03-01. Service bulletin. STRUCTURE:BODY:DOOR. SOME THREE DOOR PICK-UPS MAY HAVE A THIRD DOOR HANDLE THAT BREAKS OR IS HARD TO OPERATE. *TT

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