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Service bulletins for the 2004 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.

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

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Bulletins, newest first
014642003-11-25. Service bulletin. VISIBILITY:REAR WINDOW WIPER/WASHER. REAR WIPERS DOES NOT PART CORRECTLY AFTER REPAIR. *TT
014592003-11-24. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:WINDSHIELD:ELECTRICAL HEATING ELEMENT. HVAC MODE ACTUATOR CAM GEAR ALIGNMENT IS INCORRECT AFTER REPLACEMENT. *TT
01446A2003-11-24. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). SERVICE 4WD LIGHT ON NO CODES BESIDES U1000 CODES. *TT
014162003-11-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE OIL LEAK AFTER CRANK SHAFT BALANCER REPLACEMENT. *TT
00651B2003-11-21. Service bulletin. EXTERIOR LIGHTING:BRAKE LIGHTS. REAR BRAKE LIGHT BULB OUT. *TT
013902003-11-21. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. XM RADIO MUST BE TUNED TO CHANNEL 1 THROUGH 66 DURING ACTIVATION ATTEMPT. 2004 CHEVROLET CANYON, GMC DENALI, GMC COLORADO ALSO INCLUDED. *TT
01402A2003-11-20. Service bulletin. ELECTRICAL SYSTEM. 4.2L LL8 DIAGNOSTIC TROUBLE CODE (DTC) P0410. *TT
013142003-11-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE MISFIRE POSSIBLE DIAGNOSTIC TROUBLE CODES (DTCS) P0300 - P0306. *TT
0805032003-11-05. Service bulletin. ELECTRICAL SYSTEM:IGNITION. THE PURPOSE OF THIS MESSAGE IS TO PROVIDE INFORMATION ABOUT A NEW PRODUCT EMISSION RECALL. THE RECALL NUMBER OF 03042. THIS RECALL IS FOR VEHICLES IN DEALER INVENTORY ONLY. SOME OF THESE VEHICLES MAY HAVE BEEN BUILT WITH SPARKPLUGS THAT MISFIRE. *TT
0811032003-11-05. Service bulletin. UNKNOWN OR OTHER. 8-1 SC NEW BODY STYLE LABOR TIME GUIDE CONTAINS INCORRECT INFORMATION FOR PPI LABOR OP C7000. *TT
0811032003-11-05. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). THE SERVICE FOUR-WHEEL DRIVE LIGHT OR THE FOUR-WHEEL DRIVE IS INOPERATIVE WITH NO COMMUNICATIONS WITH THE TECH 2, OR C0550 CODE IS STORED IN THE TCCM. *TT
020846010E2003-10-03. Service bulletin. UNKNOWN OR OTHER. PROGRAMMING ONSTAR MODULE FOR CANADIAN FRENCH VOICE RECOGNITION. *TT UPDATE. *TT UPDATED *EH
990730022A2003-09-30. Service bulletin. POWER TRAIN. SHIFT STABILIZATION AND TOW/HAUL MODE FEATURE FOR HYDRA-MATIC 4L60-E/4L65-E AND 4L80-E/4L85-E TRANSMISSIONS. *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
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
0308640062003-04-25. Service bulletin. STRUCTURE:BODY:DOOR. DOORS HARD TO CLOSE. *TT UPDATED 07-24-07. *KB
0304190022003-04-15. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SQUEAK, SQUEAL OR WHISTLE NOISE FROM FRONT AXLE. *TT
0304170022003-04-15. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. WHINE NOISE FROM REAR AXLE. *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

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