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Service bulletins for the 2003 GMC Envoy

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.

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

By type

By component

By trouble code

Bulletins, newest first
0309400062004-03-05. Service bulletin. SEAT BELTS:FRONT:RETRACTOR. INFORMATION ON AVOIDING FRONT SEAT BELT RETRACTOR JAMMING WHEN STORING SEAT BELT. *TT UPDATED *EH
0307300562004-03-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L60-E AUTOMATIC TRANSMISSION OIL PUMP FIRST AND SECOND DESIGN IDENTIFICATION. *TT
0306040622004-03-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. THIS BULLETIN IS BEING ISSUED TO REVISE STEP 4 OF DIAGNOSTIC TROUBLE CODE (DTC) P2135. *TT
030601028A2004-03-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INFORMATION ON CORRECT PISTON USAGE. *TT UPDATED *EH
0301390132004-03-02. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. REVISED MODE ACTUATOR REPLACEMENT PROCEDURE. *TT
014832004-03-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). VEHICLE HAS NO PCM (POWER TRAIN CONTROL MODULE) COMMUNICATION WITH TECH 2. SIT BULLETIN 1400427. *TT
007022004-03-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SLIP CONDITION IN 2ND, 3RD OR 4TH DAMAGED 2-4 BAND 3-4 CLUTCH ON THE 4L60E/4L65E AUTOMATIC TRANSMISSION. *TT *MJ
00969A2004-02-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE WHISTLE NOISE. *TT
00810A2004-02-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. TICK NOISE AT IDLE. *TT
00682A2004-02-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. PERCEIVED HIGH ENGINE RPM TRANSMISSION SLIP, DELAYED UPSHIFTS ON COLD START. SIT BULLETIN 1416476.
015922004-02-27. Service bulletin. ELECTRICAL SYSTEM. 2003-2004 GENERATION 5 ONSTAR STEERING WHEEL CONTROL FUNCTION EXPLANATION. SIT BULLETIN 1416474. *TT
015772004-02-26. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. RADIO DISPLAYS CALIBRATION ERROR AFTER REPLACING RADIO. *MN
015792004-02-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL PAN BAFFLES DELETED. SIT BULLETIN 1413402. *TT
015782004-02-25. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. COOLING FAN OPERATION. SIT BULLETIN 1413381. *TT
015732004-02-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. RATTLE NOISE AND/OR TRANSMISSION FLUID LEAK FROM TRANSMISSION COOLER LINE CONTACT WITH CATALYTIC CONVERTER. *TT *MJ
00540B2004-02-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE OIL LEAK AT INTAKE GASKET. SIT BULLETIN 1412496. *TT
0810B2004-02-24. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. TICK NOISE AT IDLE. *TT
0308111002A2004-02-11. Service bulletin. STRUCTURE:BODY. PAINT CHIPPING BEHIND FRONT WHEELS/FRONT OF REAR WHEELS, DAMAGED LOWER DOOR/CLADDING AND ROCKER PANELS. *TT THIS SERVICE BULLETIN REPLACES 0308111002. *EH UPDATE. *TT
0308630032004-02-11. Service bulletin. STRUCTURE:BODY. RATTLE FROM FRONT OF VEHICLE. *TT
0308420142004-02-11. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT. NEW TURN SIGNAL FLASHER MODULE AVAILABILITY. *TT
0302350062004-02-10. Service bulletin. STEERING. REVISED STEERING WHEEL REPLACEMENT PROCEDURE. *TT
010730038B2004-02-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 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
020309002B2004-02-10. Service bulletin. SUSPENSION. INTERMITTENT BOOM, RUMBLING NOISE AND / OR DISTURBANCE HEARD IN PASSENGER COMPARTMENT WHILE DRIVING AT HIGHWAY SPEEDS. *TT
0117032004-01-30. Service bulletin. SERVICE BRAKES, HYDRAULIC. FRONT BRAKE NOISE OR SQUEALING AFTER THE VEHICLES HAS SAT OVERNIGHT. GM VOICEMAIL EXPRESS. *TT
0121032004-01-30. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. ENGINE OVERHEAT CONDITION WITH LITTLE OR NO HEATER OUTPUT. OASIS *TT

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