2003 GMC Envoy Technical Service Bulletins

481 technical service bulletins (TSBs) are on record for the 2003 GMC Envoy. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10022470Jun 1, 2007Brakes. Abs light on, dtc's c0265, c0201, u1041 set and/or loss of communication with brake module. (reground ebcm ground).
• 10021206Mar 22, 2007Electrical system. Horn inoperative at times.
• 10021085Mar 1, 2007Body and structure. Liftgate glass will not lock unless lock is press a second time.
• 10021019Feb 22, 2007Transmission and drivetrain. Slip condition in 2nd, 3rd, or 4th. Damaged 2-4 or 3-4 clutch. *kb updated 10/31/07.
• 10017334Feb 1, 2007Exterior lighting. Information on vertical reflection from headlamps when using high beams in dense fog. *tt updated 04-04-07.
• 10020914Jan 29, 2007Steering. Bind or shudder on turns.
• 10018986Oct 1, 2006Engine cooling. Service engine soon (ses) or check engine light on, dtc p0526, p0480, p1481, and p1484 set. *tt updated.
• 10020879Sep 1, 2006Engine cooling. 4.2l ll8 engine flashing and/or mil/ses light. Rough idle, misfire. Dtc p0300, p0301, p0302, p0303, p0304, p0305, and p0306.
• 10020523Aug 1, 2006Body and structure. Rear liftgate binds, improper fit. May be caused by broken welds or cracks formed around the two inner welds.
• 10019212Feb 21, 2006Equipment. Supplement to bulletin 05-01-37-002a, poor heat performance.
• 10019211Feb 21, 2006Engine cooling. Supplement to bulletin 05-01-37-002a, poor rear heat performance .
• 10019186Feb 16, 2006Interior lighting, Exterior lighting. Ipc, interior lights and/or headlamps flicker. *ak fb2
• 10019182Feb 16, 2006Engine cooling. Ses light after internal engine repairs due dtc p0016 or p1345.
• 10019510Feb 1, 2006Engine cooling. Operating characteristics of the electro-viscous (ev) fan clutch and diagnostic tips for cooling fan noise, delayed transmission shifts and/or engine revving too high.
• 10019506Feb 1, 2006Body and structure. Revised liftgate lock cylinder replacement.
• 10018908Jan 25, 2006Electrical system. Ipc gauges and ac inoperative, several indicators illuminate dtcs u1016 u1000.
• 10018577Jan 6, 2006Engine cooling. P0300 due to random misfires not felt - possible accessory pulley.
• 10018566Jan 6, 2006Visibility (wipers, defrost, mirrors). Front blower inoperative stay running during low ambient temperature.
• 10017413Nov 7, 2005Brakes. Installation of an aftermarket trailer brake module.
• 10017393Nov 5, 2005Transmission and drivetrain. Vibration felt and heard at low rpm during parking lot maneuvers.
• 10017299Nov 2, 2005Transmission and drivetrain. Electronic transfer case unable to complete shift.
• 10018733Nov 1, 2005Engine cooling. Engine oil leak at rear cover assembly area.
• 10018721Nov 1, 2005Transmission and drivetrain. 4l60-e automatic transmission torque converter clutch (tcc) shudder, water in transmission (repair transmission and replace transmission filler tube, level indicator and seal).
• 10017249Oct 29, 2005Visibility (wipers, defrost, mirrors). Wiper/washer will not shut off or other possible issues.
• 10017190Oct 27, 2005Transmission and drivetrain. 4l60e, 4l65e replacement valve body gaskets does not seem to fit.
• 10017179Oct 27, 2005Exterior lighting. Supplement to campaign 04087 / screws break in the tail lamp housing.
• 10017158Oct 27, 2005Electrical system. No crank no start no diagnostic trouble codes.
• 10017130Oct 25, 2005Engine cooling. Engine is hard to start after filling the fuel tank.
• 10017010Oct 20, 2005Transmission and drivetrain. Ping, pop or click noise from under the rear.
• 10016544Sep 21, 2005Exterior lighting. Automatic headlamp defeat inoperative after bcm replacement.
• 10017818Sep 1, 2005Engine cooling. Information on use of bolt extractor tool kit part number en-47702 for removing broken cylinder head or main bearing cap bolts on inline truck engines.
• 10017381Aug 1, 2005Electrical system. Ignition key will not remove from ignition lock cylinder.
• 10017371Aug 1, 2005Steering. Hiss/rush noise from steering (strg) column area.
• 10012723Jun 1, 2005Engine cooling. Information on unstable/rough/lumpy engine idle, and low speed vehicle surge, random disturbance or vehicle shudder.
• 10014870May 11, 2005Engine cooling. 1999 - 2005 gen ii cold engine misfire at idle with possible p0171 and/or p0174.
• 10014853May 11, 2005Transmission and drivetrain. Intermittent malfunction indicator lamp (mil) with diagnostic trouble code (dtc) c0374 or erratic 4wd/awd operation.
• 10017409May 1, 2005Engine cooling. Oil leak under extreme cold temperatures (-34 degrees c) (-30 degrees f) or colder).
• 10017359May 1, 2005Brakes. Revised front brake caliper bracket mounting bolt fastener tightening specification.
• 10013523Apr 21, 2005Air bags. Sir light on steady after bulb test and no diagnostic trouble codes (dtcs).
• 10013503Apr 20, 2005Seats. Heated seat operation clarification.
• 10013495Apr 20, 2005Exterior lighting. Headlamps flicker or dim while driving.
• 10013378Apr 18, 2005Electrical system. Application of horn at horn pad inoperative. Rke function for panic alarm works.
• 10017326Apr 1, 2005Body and structure. Cargo cover handle broken.
• 10015012Mar 1, 2005Exterior lighting. Diagnostic information on headlamps flicker or momentarily dim while driving.
• 10015005Mar 1, 2005Engine cooling. Revised inspection/maintenance (I/m) evaporative emission (evap) system set procedure.
• 10014993Mar 1, 2005Engine cooling. Diagnostic aids for diagnostic trouble codes p0440, p0455 and/or p0442 - evaporative emission (evap) system leak.
• 10011821Feb 1, 2005Transmission and drivetrain. Reduced power light on and diagnostic trouble code p1680 p1221 and or p1271 stored in the powertrain control module.
• 10011817Feb 1, 2005Engine cooling. Exhaust moan at idle or parking lot maneuvers.
• 10011719Jan 31, 2005Steering. Installation of a power steering hose to a new steering gear.
• 10011670Jan 28, 2005Suspension. Uneven appearance or lean from drivers to passenger side rpo g67.

← All problems reported for the 2003 GMC Envoy