2002 Chevrolet Trailblazer EXT Technical Service Bulletins

85 technical service bulletins (TSBs) are on record for the 2002 Chevrolet Trailblazer EXT. 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.

• 10078734Apr 19, 2016Electrical system. This preliminary information communication advises the technician the steps on repairing the concern. A customer may identify a concern of unable to reactivate a vehicle's onstar that has been previously disabled by onstar. Dealer is to call general motors technical assistance center for further assistance if the concern is still present.
• 10083900Apr 8, 2016Electrical system, Equipment. This preliminary information communication advises the technician, if unable to place an onstar call in the ignition on mode after the onstar canada upgrade to contact the gm technical assistance center onstar group for further assistance.
• 10079728Jan 15, 2016Fuel system, Other or unknown. 14423c - special coverage (revised service procedure). A fuel tank inlet check valve (icv) could fracture. The icv is located above the full fuel level. A fractured icv could allow fuel vapors to pass through and droplets of fuel to accumulate on the side of the fuel tank as it passes over the fracture during refueling.
• 10079705Jan 12, 2016Fuel system, Other or unknown. 14423b - special coverage (revised part information and service procedure). A fuel tank inlet check valve (icv) could fracture. The icv is located above the full fuel level. A fractured icv could allow fuel vapors to pass through and droplets of fuel to accumulate on the side of the fuel tank as it passes over the fracture during refueling.
• 10248792Jan 1, 2016Fuel system. Special Coverage Adjustment ? Fuel Tank Inlet Check Valve Fracture
• 10248791Jan 1, 2016Fuel system. Special Coverage Adjustment ? Fuel Tank Inlet Check Valve Fracture
• 10089419Dec 14, 2015Fuel system. 14423a - special coverage (revised part information). Some 2004 model year buick rainier, 2003-2004 model year chevrolet ssr, 2002-2004 model year chevrolet trailblazer, chevrolet trailblazer ext, gmc envoy, gmc envoy xl, and oldsmobile bravada, and 2004 model year gmc envoy xuv vehicles contain a fuel tank inlet check valve (icv) that could fracture. The icv is located above the full fuel level.
• 10248790Dec 1, 2015Fuel system. Special Coverage Adjustment Fuel Tank Inlet Check Valve Fracture
• 10201115Dec 1, 2015Equipment, Other or unknown. OnStar Voice Fallback Number Update
• 10190512Dec 1, 2015Electrical system, Equipment. OnStar® Voice Fallback Number Update Some customers may have received a letter from OnStar® stating that "We recently tried to provide a software update to the OnStar® hardware in your vehicle. However, your system could not be updated remotely.
• 10089561Nov 2, 2015Equipment, Fuel system. 14423 - special coverage. Some vehicles contain a fuel tank inlet check valve (icv) that could fracture. The icv is located above the full fuel level. A fractured icv could allow fuel vapors to pass through and droplets of fuel to accumulate on the side of the fuel tank as it passes over the fracture during refueling.
• 10095317Jan 15, 2015Equipment. This preliminary information communication provides information to the technician about changing the tire and wheel size on vehicles. General motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
• 10252163Nov 1, 2014Equipment. XM Audio Traffic And Travel Link Availability And Operation.
• 10245951Nov 1, 2014Equipment. Canadian Customers Unable To Place Calls And Turn By Turn Inoperative In The United States.
• 10248444Jun 30, 2014Equipment. Vehicle Recalls
• 10246952Jun 1, 2014Equipment. Programming And Activation Of Replacement OnStar Modules.
• 10247681Mar 1, 2014Equipment. Information On Requests To Add OnStar Bluetooth Option.
• 10245950Mar 1, 2014Equipment. Canadian Customers Unable To Place Calls In The United States
• 10190932Feb 1, 2014Equipment, Wheels. Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the wheel's coatings, using recommended procedures, is allowed. Evaluating Damage In evaluating damage, it is the GM Dealer's responsibility to inspect the wheel for corrosion, scrapes…
• 10190931Feb 1, 2014Equipment, Wheels. Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the wheel's coatings, using recommended procedures, is allowed. Evaluating Damage In evaluating damage, it is the GM Dealer's responsibility to inspect the wheel for corrosion, scrapes…
• 10190934Jan 1, 2014Body and structure, Equipment. Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form of corrosion. This corrosion may be red in appearance (rust) if the component is steel, forged iron or cast iron. This corrosion may also be grey or white in color if the…
• 10190933Jan 1, 2014Equipment, Body and structure. Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form of corrosion. This corrosion may be red in appearance (rust) if the component is steel, forged iron or cast iron. This corrosion may also be grey or white in color if the…
• 10246631Sep 1, 2013Engine cooling. Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
• 10138211Nov 20, 2012Equipment. This warranty administration bulletin provides information regarding customer concerns not duplicated and which labor operations to claim when the concern cannot be duplicated. Also provides information on how to submit claims within the global warranty managment.
• 10137469Nov 20, 2012Equipment. This warranty administration bulletin provides information regarding customer concerns not duplicated and which labor operations to claim when the concern cannot be duplicated. Also provides information on how to submit claims within the global warranty managment.
• 10246951Oct 1, 2012Equipment. Programming And Activation Of Replacement OnStar Modules.
• 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.
• 10027804Nov 1, 2008Electrical system, Equipment. General motors corp: special coverage adjustment; analog onstar deactivation. *pe updated 2/17/09.
• 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.
• 10022470Jun 1, 2007Brakes. Abs light on, dtc's c0265, c0201, u1041 set and/or loss of communication with brake module. (reground ebcm ground).
• 10020523Aug 1, 2006Body and structure. Rear liftgate binds, improper fit. May be caused by broken welds or cracks formed around the two inner welds.
• 10019186Feb 16, 2006Interior lighting, Exterior lighting. Ipc, interior lights and/or headlamps flicker. *ak fb2
• 10017179Oct 27, 2005Exterior lighting. Supplement to campaign 04087 / screws break in the tail lamp housing.
• 10011614Jan 27, 2005Electrical system. Anti brakes system brake light and or service brake message with diagnostic trouble code c0238.
• 10012578Aug 1, 2003Body and structure. Perimeter seal/gasket pulls away from license plate housing and/or excessive adhesive around gasket.

← All problems reported for the 2002 Chevrolet Trailblazer EXT