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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

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
021172004-06-23. Service bulletin. POWER TRAIN. TCCM WILL NOT PROGRAM THROUGH TIS. *MJ
015992004-06-04. Service bulletin. POWER TRAIN. 4L60E, 4L65E FORWARD AND LOW REVERSE WAVED STEEL CLUTCH PLATE APPEARANCE CHANGE. *TT
016542004-06-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SQUAWK OR GRUNT NOISE THAT OCCURS ON THE 2-3 UPSHIFT ON VEHICLES WITH 4L60E - M30, 4L60E M32 TRANSMISSION. *TT
019732004-06-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. HARSH SHIFTS FROM PARK TO DRIVE OR DRIVE TO REVERSE (GARAGE SHIFT). WORSE IN COLD AMBIENT TEMPERATURES. *NM
017142004-05-03. Service bulletin. POWER TRAIN. THE 4L60E/4L65E AUTOMATIC TRANSMISSION MAY EXPERIENCE A LEAK, INOPERATIVE/SLIPPING IN 2ND, 3RD AND 4TH GEARS OR NO MOVEMENT (NO FORWARD OR REVERSE) DUE TO EXCESS FLUID LOSS. SIT BULLETIN 1455088. *TT
017072004-05-03. Service bulletin. POWER TRAIN. C0379 SETS AFTER OVERNIGHT COLD TEMPERATURE START UP. *TT
0307300562004-03-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L60-E AUTOMATIC TRANSMISSION OIL PUMP FIRST AND SECOND DESIGN IDENTIFICATION. *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
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
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
014322003-12-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. AUTOMATIC TRANSMISSION POOR ACCELERATION, PERFORMANCE. *TT
0304210062003-12-04. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). SERVICE 4WD LIGHT ON, 4WD INOPERATIVE, HARSH ENGAGEMENT OF 4WD, NO COMMUNICATION WITH TRANSFER CASE CONTROL MODULE (TCCM), TCCM DIAGNOSTIC TROUBLE CODE (DTC) C0550 SET. *TT
020421006C2003-12-04. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). INOPERATIVE 4WD/AWD LAMPS, INOPERATIVE 4WD/AWD SYSTEM. *TT
01446A2003-11-24. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). SERVICE 4WD LIGHT ON NO CODES BESIDES U1000 CODES. *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
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
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.