WenmarOpen by Wenmar Pro

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

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
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.
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
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
0121032004-01-30. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. ENGINE OVERHEAT CONDITION WITH LITTLE OR NO HEATER OUTPUT. OASIS *TT
1007032004-01-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INTERMITTENT HESITATION, STUMBLE OR IDLE STALL WITHIN MINUTES OF STARTING AFTER THE VEHICLE HAS BEEN SITTING FOR SEVERAL HOURS. GM VOICEMAIL LOG. *TT
0306040572004-01-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INTERMITTENT HESITATION, STUMBLE OR IDLE STALL AFTER SOAK, HARSH 1-2 SHIFT, SLIPPING 1-2 SHIFT FOLLOWED BY A HARSH ENGAGEMENT. *TT
0306040602004-01-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INFORMATION ON NEW SPARK PLUGS AND GAPPING. VARIOUS MODELS INCLUDING PONTIAC GTO 2004. *TT
0306040552003-12-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON/CHECK ENGINE LIGHT ILLUMINATED, MISFIRE OR ROUGHNESS, DIAGNOSTIC TROUBLE CODE (DTC) P0300 SET. *TT
00827C2003-11-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON (SES) LIGHT ON WITH TAC MODULE CODES P1516 AND POSSIBLE CODES P1514, P1515, P1518. *TT
00078F2003-11-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE KNOCK NOISE INITIAL STARTUP IN COLD AMBIENT 10 DEGREES CENTIGRADE/50 DEGREES FAHRENHEIT. *TT
00817C2003-11-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. COLD IDLE STALL THAT OCCURS DURING OR IMMEDIATELY AFTER EVAP DIAGNOSTICS ARE RUN. *TT
00817A2003-11-20. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.2L LL8 ENGINE STALL WHILE RUNNING EVAP DIAGNOSTICS. *TT
013142003-11-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE MISFIRE POSSIBLE DIAGNOSTIC TROUBLE CODES (DTCS) P0300 - P0306. *TT
0306040332003-09-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. REVISED DIAGNOSTIC TROUBLE CODE P0336. *TT UPDATE. TO INCLUDE 2004 ISUZU NQR COMMERCIAL MODELS. *TT
0306040312003-09-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. REVISED DIAGNOSTIC TROUBLE CODE P1125. *TT
0306040302003-08-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. MULTIPLE DRIVEABILITY SYMPTOMS OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE DUE TO CLOGGED FUEL INJECTORS. *TT

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