2002 GMC Envoy Technical Service Bulletins

401 technical service bulletins (TSBs) are on record for the 2002 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.

• 10126171Nov 28, 2012Equipment. This informational bulletin provides a step by step procedure on how to properly use the GM chemicals to eliminate unwanted odors in vehicles and which products to use for each application.
• 10112607Nov 28, 2012Equipment. This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Technical Assistance Center with the scan tool data from the OnStar system.
• 10112600Nov 26, 2012Transmission and drivetrain. This Preliminary Information communication provides information to the technician with the axel setup information from American Axle Manufacturing. Technician should be advised that the maximum pinion shim to be used or stacked behind the pinion is 0.050?, and the minimum pinion shim is 0.020? for an 8.6 axle. The range for available pinion depth shims for the 10.5? axle is 0.006? to 0.024?. When setting the…
• 10126196Nov 13, 2012Equipment. This informational bulletin provides information and rules for GM keycode look up applicationa dn the key code security rules and regulations for Canada only.
• 10126200Nov 12, 2012Equipment. This informational bulletin provides a single point reference and strategy document to aid in reducing customer comebacks, and the possibility of buyback situations by outlining specific guidelines, strategy and forms that will assist with this goal, by identifying, clarifying and documenting customer concerns accurately at each service visit.
• 10112560Nov 9, 2012Brakes. This Preliminary Information communication provides information to the technician about brake rotors on new vehicles and replacement parts from General Motors Service Parts Operations. Technician should be advised the costing should not be removed from the brake rotor it will wear off with normal brake usage. Dealer should communicate to the customer this condition is a normal operating characteristic of their…
• 10112528Nov 1, 2012Electrical system. This Preliminary Information communication provides information to the technician about vehicles that during battery parasitic drain test, there may be some confusion as to what the normal power consumption reading should be from the OnStar system. Technician should understand the power cycles of the various OnStar systems. All Generation 6, 7, 8, and 9 systems are powered up continuously for 48 hours from ignition…
• 10112523Oct 30, 2012Electrical system, Transmission and drivetrain. This Preliminary Information communication provides information to the technician about vehicles that have slip in forward ranges immediately after replacing the input housing. Technician will inspect the 3-4 clutches and the forward clutch oil feed passages for leakage between circuits. Technician should apply regulated compressed air to the 3-4 clutch feed hole and the forward clutch feed hole one at a time with…
• 10112494Oct 18, 2012Equipment. This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts. Technician can check Service Information for some accessories. Technician can also contact Partech for assistance.
• 10118626Oct 10, 2012Equipment. This warranty administrational bulletin provides information on Clarification of Use - Dealer Empowerment Labor Operations and Customer Enthusiasm
• 10246951Oct 1, 2012Equipment. Programming And Activation Of Replacement OnStar Modules.
• 10017014Jul 1, 2012Visibility (wipers, defrost, mirrors). Repeat rear blower motor failure or inoperative. *tt updated 12/5/08. *pe updated 08/06/2012
• 10038294Jan 1, 2012Seat belts. Gm: there are seat belt problems: difficulty latching and unlatching buckle. Buckle release button is sticking. Seat belt warning light illuminated. Likely caused by sticky beverages that are spilled into the buckle assembly. *rm updated 4/3/12.
• 10042986Nov 1, 2011Seats. General motors: information provided by bulletin for all 2012 and prior general motor trucks and passenger vehicles regarding the adjustable comfort and custom upholstery of the driver and the passenger head restraint.
• 10038295Feb 1, 2011Other or unknown. Gm: information on fixing multiple situations right the first time.
• 10030590Jun 1, 2010Transmission and drivetrain, Suspension. Gmc/buick/oldsmobile/saab: bump or thump noise is heard coming from the rear suspension or felt in the floor. The information affect vehicles with g67 automatic level control rear suspension. *pe updated 3/30/11.
• 10032462Aug 1, 2009Steering. Saab/hummer/gm: diagnostic tips/recommendations when power steering pump replacement is necessary. Analysis of returned power steering (ps) pumps that had been replaced for noise, no power assist, no or low pressure and leaking conditions has indicated a high number of no trouble found results. All 1997-2010 vehicles and light trucks; 2010 and prior hummers h2/h3 and saab 9-7x vehicles.
• 10027804Nov 1, 2008Electrical system, Equipment. General motors corp: special coverage adjustment; analog onstar deactivation. *pe updated 2/17/09.
• 10026804Oct 1, 2008Transmission and drivetrain. Gmc: fluid leak from transmission oil cooler lines due to corrosion. All 2000-2006 light duty trucks equipped with the light duty automatic transmission.
• 10026522Oct 1, 2008Fuel system. Buick chevrolet gmc oldsmobile service campaign: see document search button for owner letter. Special coverage adjustment - fuel tank modular reservoir assembly corrosion. Csc letter was received. Updated 11/6/08. *pe updated 5/5/09. Csc letter was received.
• 10026704Aug 1, 2008Fuel system. Gmc: fuel gauge fluctuation in park or neutral, causing the low fuel light to illuminate.
• 10026586Jun 1, 2008Equipment. Buick cadillac chevrolet gmc hummer oldsmobile pontiac saab saturn service campaign: see document search button for owner letter. Special coverage adjustment-analog onstar deactivation. Fcc ruled in 2002 wireless carriers would no longer re required to support analog wireless network starting in 2008. *pe csc letter was received. Updated 12/1/08.
• 10017342Apr 1, 2008Suspension. Rattle, clunk, pop, snap noise from front and/or rear suspension while driving over rough, uneven, wash board road surfaces. *tt (replace appropriate stabilizer link(s)). Updated 7/11/08.
• 10024345Feb 1, 2008Suspension, Transmission and drivetrain. Eaton locking differential chatter shudder noise on turns, equipped with a locking rear differential rpo g80. *nj updated 7/17/2008.
• 10023773Dec 1, 2007Transmission and drivetrain. Dtc c0327 with or without additional dtc's setting. With four wheel drive (4wd) only.
• 10019241Dec 1, 2007Brakes. Abs, red brake ,svc and 4wd light on hvac blower inoperative. *ak updated 1/30/08.
• 10022660Sep 18, 2007Suspension. Boom/rumbling noise at highway speed
• 10012694Aug 1, 2007Steering. Release of steering gear stub shaft bearing kit for service. *tt updated 08-15-07. *kb updated 10/09/07.
• 10021675Jun 15, 2007Electrical system. Lights flicker erratic operation of vehicles electronics.
• 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.
• 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.
• 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.
• 10018577Jan 6, 2006Engine cooling. P0300 due to random misfires not felt - possible accessory pulley.
• 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.
• 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.

← All problems reported for the 2002 GMC Envoy