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Service bulletins for the 1994 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.

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

By type

By component

Bulletins, newest first
1300890092023-12-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
2406991999-11-24. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP. SUBJECT REGARDING ABS 3-SENSOR EBC4 - SPECIAL POLICY. *TT
7760011997-11-13. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INFORMATION CONCERNING ENGINE KNOCK/RATTLE OR TAP NOISE BEFORE ENGINE HAS REACHED OPERATING TEMPERATURE OR UNDER LIGHT LOAD CONDITIONS AT OPERATING TEMPERATURE (REPLACE PISTON AND/OR ROD ASSEMBLIES). AK
7760011997-06-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. KNOCK, RATTLE OR TAP NOISE FROM THE ENGINE BEFORE THE ENGINE HAS REACHED OPERATING TEMPERATURE OR UNDER LIGHT LOAD CONDITIONS AT OPERATING TEMPERATURE KNOCK, RATTLE OR TAP NOISE FROM THE ENGINE BEFORE THE ENGINE HAS REACHED OPERATING TEMPERATURE OR UNDER LIGHT LOAD CONDITIONS AT RATURE (REPLACE PISTON AND/OR ROD ASSEMBLIES). *TW
5765031995-11-01. Service bulletin. VEHICLE SPEED CONTROL. UNKNOWN
GM5690021995-11-01. Service bulletin. VEHICLE SPEED CONTROL. STEPPER MOTOR CRUISE CONTROL WILL NOT RESUME OR RESET (REPLACE SMCC MODULE). *TW
GM5612041995-11-01. Service bulletin. STRUCTURE:BODY:HOOD. WATER LEAK AT THE A/C RECIRCULATION DOOR (INSTALL NEW HOOD HINGE SEAL). *TW
GM1615141995-11-01. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH. END GATE LATCH RATTLE (INSTALL REVISED STRIKER). *TW
5765031995-11-01. Service bulletin. VEHICLE SPEED CONTROL. LIGHT SURGE AT HIGHWAY SPEEDS DURING LIGHT THROTTLE. *TW
461602A1995-11-01. Service bulletin. SEATS:FRONT ASSEMBLY:RECLINER. REAR SEAT RATTLES/LOOSENESS (INSTALL REAR SEAT LATCH). *TW
5673011995-11-01. Service bulletin. POWER TRAIN:CLUTCH ASSEMBLY. CLUTCH PEDAL SQUEAK NOISE. *TW
942661995-11-01. Service bulletin. SERVICE BRAKES, HYDRAULIC:POWER ASSIST. PRODUCT SAFETY CAMPAIGN 94-C-61 - CAMPAIGN ANNOUNCEMENT TO RECALL CERTAIN 1994 S-TRUCK PICK-UP MODELS TO CORRECT THE VACUUM HOSE DETATCHMENT FROM THE BRAKE BOOSTER CHECK VALVE AS A RESULT OF AN ENGINE BACKFIRE. *TW
4765221995-03-08. Service bulletin. ELECTRICAL SYSTEM:IGNITION:MODULE. BACKFIRE ON ACCELERATION. *TW
4683061995-02-07. Service bulletin. ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH. IMPROPERLY CONSTRUCTED INSTRUMENT CLUSTER CAUSING ERRATIC TEMPERATURE GAUGE READINGS. *TW

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