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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.

By type

By component

By trouble code

By topic

Bulletins, newest first
30442004-10-14. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. LOCATION OF THE HEADLAMP DRIVER MODULE (HDM). *TT
30422004-10-14. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL. CRUISE CONTROL DISENGAGES AFTER ACCELERATING. *TT
20102004-10-14. Service bulletin. INTERIOR LIGHTING. INSTRUMENT PANEL CLUSTER (IPC) INTERIOR HEAD LAMPS FLICKER. *TT
30372004-10-14. Service bulletin. VISIBILITY:GLASS, SIDE/REAR. INTERMITTENT REAR LIFTGLASS CONCERNS. *TT
04017A2004-10-13. Service bulletin. EXTERIOR LIGHTING. TAIL LAMPS/STOP LAMPS. SPECIAL POLICY SERVICE BULLETIN. *TT
30762004-10-13. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. REPLACEMENT GOODWRENCH ENGINES - PARTS WHICH MUST BE SWAPPED FROM ORIGINAL ENGINE. *TT
30472004-10-08. Service bulletin. EQUIPMENT. 99 THROUGH 05 YEAR VEHICLES, EQUIPPED WITH THREE-BUTTON ONSTAR SYSTEMS. *TT
30762004-10-08. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. REPEAT HVAC BLOWER MOTOR FAILURE. *TT
010120042004-10-07. Service bulletin. ENGINE AND ENGINE COOLING. HIGH COOLANT TEMPERATURE GAUGE READINGS DURING LOW RPM OPERATION. *TT
30892004-10-04. Service bulletin. ELECTRICAL SYSTEM. SERVICE ENGINE SOON LIGHT AND REDUCED ENGINE POWER WITH A DIAGNOSTIC TROUBLE CODE P1516. DIAGNOSTIC TROUBLE CODES P0120, P0220, P1514, P1515, P1518 AND P2135 MAY ALSO BE PRESENT. *TT
30862004-10-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. WHISTLE NOISE FROM THE THROTTLE BODY AREA ON LIGHT THROTTLE ACCELERATION ON VEHICLES WITH GEN III ENGINES AND ELECTRONIC THROTTLE. *TT
30432004-09-28. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP. FUEL SPLASH FROM FILLER NECK AFTER FILLING TANK AFTER 04-06-04-003. *TT
3046A2004-09-27. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. FUEL GAUGE FLUCTUATION IN PARK OR NEUTRAL. *TT
042020042004-09-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. HARSH PARK TO REVERSE OR PARK TO DRIVE GARAGE SHIFT ENGAGEMENT ESPECIALLY WHEN THE TRANSMISSION FLUID IS AT A LOW AMBIENT TEMPERATURE. GM VOICEMAIL EXPRESS. *TT
30112004-08-25. Service bulletin. EQUIPMENT. WHEN USING VOICE RECOGNITION DIALING, SOME NUMBERS OR COMMANDS MAY NOT BE UNDERSTOOD BY THE SYSTEM ESPECIALLY THE NUMBER TWO (2). *TT
15281022004-08-24. Service bulletin. ELECTRICAL SYSTEM. 02-04 4.2L LL8 DIAGNOSTIC TROUBLE CODE P0171. *MJ
30182004-08-23. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE CYLINDER HEAD CUP PLUG COOLANT LEAK. *MJ
30022004-08-23. Service bulletin. POWER TRAIN. 4L60E/4L65E INTERMITTENT NEUTRAL CONDITION WHILE ACCELERATING FROM A STOP OR WHILE DRIVING. *TT 1999-2006 GM CARS, LIGHT DUTY TRUCKS AND UTILITIES. *TT
30162004-08-23. Service bulletin. ELECTRICAL SYSTEM. VARIOUS ELECTRICAL CONCERNS. *TT
15310182004-08-23. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HVAC MODE ACTUATOR CAM GEAR ALIGNMENT IS INCORRECT AFTER REPLACEMENT. *MJ
30352004-08-23. Service bulletin. SEAT BELTS. INTERIOR MIDGATE OPERATION AND 2ND ROW SEAT BELT ROUTING. *TT
30312004-08-23. Service bulletin. ELECTRICAL SYSTEM. INTERMITTENT P0483 DIAGNOSTIC TROUBLE CODE. *TT
0408510022004-08-16. Service bulletin. STRUCTURE:BODY. INCORRECT PAINT CODE LISTED ON SERVICE PARTS IDENTIFICATION LABEL. *MJ
0408440042004-08-16. Service bulletin. STRUCTURE:BODY. POP NOISE HEARD FROM REAR SPEAKERS WHEN REAR SEAT AUDIO (RSA) IS TURNED ON OR OFF (NO FIX AT TIME, FIX UNDER DEVELOPMENT). *MJ THIS SERVICE BULLETIN REPLACES 040844004. *EH
0406030052004-08-13. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE. PROPER CONNECTION INFORMATION TO AVOID BLOWN 125 AMP FUSE AND VARIOUS INTERIOR ELECTRICAL SYSTEM CONDITIONS WHEN JUMP STARTING VEHICLE. *TT

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