2008 Chevrolet Trailblazer Technical Service Bulletins

918 technical service bulletins (TSBs) are on record for the 2008 Chevrolet Trailblazer. 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.

• 10083241Aug 30, 2016Electrical system. This preliminary information communication provides information to the technician about the use of j-35616-64b terminal test probe, replacement terminals, and terminated leads. The j-35616-64b is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (j-38125-620h) located in lear tray 7 part number 963716-2.
• 10082869Aug 29, 2016Engine. This informational bulletin provides additional information on how to install pistons and suggest what tools to use.
• 10083080Aug 15, 2016Engine cooling. This preliminary information communication provides information to the technician about vehicles that may have low oil pressure message. Technician may also find a diagnostic trouble code p0521 in the engine control module. Technician should follow all published service information diagnosis.
• 10082822Aug 12, 2016Electrical system, Engine. This informational bulletin provides information on how to test a battery and what is needed to warranty a battery.
• 10082363Aug 12, 2016Equipment. This warranty administration bulletin provide policy on performing gm covered vehicle services and maintenance on vehicles originating/sold in canada.
• 10082860Aug 3, 2016Equipment. This informational bulletin provides information on gm does not approve the use of “clipping” to repair collision damage to vehicles. Gm has not tested or validated a “clipped vehicle” repair; therefore, gm cannot endorse this type of repair or confirm the crash performance during a subsequent collision.
• 10082823Aug 2, 2016Engine cooling. This informational bulletin explains the use of diesel fuel additives in an engine, are not required unless the customer desires additives to prevent fuel concerns depending on fuel or temperature related conditions.
• 10082814Aug 2, 2016Engine. This informational bulletin provides information to gm dealers on the correct cleaning methods when cleaning engine gasket sealing surfaces.
• 10082820Aug 1, 2016Engine. This informational bulletins provides information on the intake manifold inspection/replacement after servere internal engine damage.
• 10126063Jul 12, 2016Engine. This informational bulletin provides information on intake manifold inspection/replacement after severe internal engine damage.
• 10089121Jun 29, 2016Tires, Equipment. This informational bulletin provides guidance to gm dealers when using gm approved tire force variation measurement equipment.
• 10089222Jun 22, 2016Tires, Equipment. This informational provides information on slight or mild tire feathering and recommended practices.
• 10089247Jun 10, 2016Equipment. This informational bulletin provides information on the proper use of floor mats.
• 10083898Apr 27, 2016Equipment, Electrical system. 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.
• 10083513Apr 27, 2016Equipment. This preliminary information communication advises the technician on the steps to diagnose and repair the concern of receiving frequent "off route" messages while following turn by turn (tbt) route navigation. The technician is provided instructions for resetting the vehicle communication interface module for this concern.
• 10078745Apr 27, 2016Equipment. This preliminary information communication advises the technician on the steps to diagnose and repair the concern of receiving frequent "off route" messages while following turn by turn (tbt) route navigation. The technician is provided instructions for resetting the vehicle communication interface module for this concern.
• 10083509Apr 21, 2016Equipment. This preliminary information communication advises the technician on the steps to diagnose and repair the concern. The vehicle's xm radio only has xm preveiw channels.
• 10083482Apr 21, 2016Equipment. This preliminary information communication advises the technician to diagnose the concern and the steps to repair the concern. The vehicle's xm travel link may be inopertive.
• 10078520Apr 20, 2016Electrical system. This informational bulletin provides information that may be useful on diagnosing batteries that have set for a long period of time and/or set in cold weather climates and testing those batteries.
• 10083884Apr 19, 2016Equipment. This preliminary information communication advises the technician on the steps for diagnosing the concern. The vehicle may be unable to connect to onstar using the white, blue or red onstar buttons.
• 10083489Apr 19, 2016Equipment. 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.
• 10083484Apr 19, 2016Electrical system. This preliminary information communication provides information to help the dealership technicians perform a parasitic drain test for the onstar module. When performing battery parasitic drain test, there may be some confusion as to what the normal power consumption reading should be from the onstar system.
• 10078735Apr 19, 2016Electrical system. This preliminary information communication provides information to help the dealership technicians perform a parasitic drain test for the onstar module. When performing battery parasitic drain test, there may be some confusion as to what the normal power consumption reading should be from the onstar system.
• 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.
• 10078507Apr 18, 2016Electrical system, Equipment. This warranty administration bulletin provide policy information on using the el-50313 midtronics gr8 battery tester/charger for diagnosing battery replacements and maintaining batteries on new vehicles in dealer inventory.
• 10078506Apr 18, 2016Electrical system. This informational bulletin provides warranty information on using the service programming system (sps) for programming control modules
• 10078504Apr 18, 2016Engine. This informational bulletin provides information internal engine noise or damage after oil filter replacement
• 10078502Apr 15, 2016Equipment. This warranty administration bulletin provides information on gm’s policy on performing gm covered vehicle services and maintenance on vehicles originating/sold in canada.
• 10078472Apr 12, 2016Visibility (wipers, defrost, mirrors). This informational bulletin provides information on a normal condition on tempered glass of spots showing on the rear and side windows when the vehicle is in the sunlight.
• 10083900Apr 8, 2016Equipment, Electrical system. 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.
• 10083512Apr 5, 2016Visibility (wipers, defrost, mirrors), Equipment. This preliminary information communication advises the technician the steps on diagnosing the concern. Vehicle's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
• 10078604Apr 5, 2016Electrical system, Body and structure, Visibility (wipers, defrost, mirrors). This preliminary information communication advises the technician the steps on diagnosing the concern. Vehicle's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
• 10078434Apr 1, 2016Transmission and drivetrain. This informational bulletin provide information on the operating characteristics of a manual transmission.
• 10113973Mar 31, 2016Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will check Global Warranty Management system for customer satisfaction program 15086 status. If the status of the customer satisfaction program 15086 was not completed follow the steps to get the Telematics…
• 10112831Mar 30, 2016Wheels. This informational bulletin provides information on chemical staining, pitting, and corrosion on wheels and the proper cleaners to use to fix the conditions due to multiple causes.
• 10112829Mar 29, 2016Equipment. This preliminary informational bulletin provides information on GM is implementing a new service strategy that uses a set of universal coaxial repair kits to service vehicles. This only applies to cable used for high frequency signals, such as cellular (OnStar®), satellite radio (XM) and GPS (navigation). The kits do NOT apply to the AM/FM cables.
• 10112821Mar 24, 2016Electrical system. This preliminary informational bulletin provides information on GM Accessory Remote start not working with onstars remotelink phone applications
• 10113935Mar 16, 2016Engine cooling. This Preliminary Information communication provides information to the technician that some vehicles may have a Service Engine Soon lamp, engine misfire on cylinder 1, 4, 6, or 7 and/or tick noise. Technician will follow service information diagnosis first. If service information diagnosis does not isolate the cause of this concern perform a cylinder deactivation active fuel management system compression test in…
• 10112791Mar 14, 2016Equipment. This warranty administration bulletin provides information on Courtesy Transportation and Roadside Assistance Programs
• 10112789Mar 14, 2016Visibility (wipers, defrost, mirrors). This technical bulletin provides a procedure to relearn the power folding mirriors and road test to correct a conditon of power fold away mirriors glass shakes or flutters at normal driving speeds
• 10113921Mar 8, 2016Equipment. This Preliminary Information communication advises the technician after the OnStar Canada upgrade the OnStar Vehicle Diagnostic Email report is inoperative. Please communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern.
• 10112779Mar 7, 2016Electrical system. This informational bulletin provides information on vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak and that this is considered a normal conditon and no repairs are necessary
• 10113914Mar 4, 2016Engine cooling. This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspect for a poor crimp on the coil grounds ring terminal at the engine block for the bank with the concern and repair the wire.
• 10112771Mar 2, 2016Equipment. This informational bulletin provides information on New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles and Generating Higher CSi Scores
• 10112770Mar 2, 2016Electrical system. This informational bulletin provides information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability
• 10112769Mar 2, 2016Equipment. This informational bulletin provides information on Battery Testing and Warranty Replacement Requirements (North America ONLY)
• 10112764Mar 1, 2016Equipment. This warranty informational bulletin provides a list of all the required operating procedures and explains them out to what is acceptable and not.
• 10114443Feb 27, 2016Fuel system. This Preliminary Information communication provides information to the technician about vehicles that have an inaccurate fuel gauge. Technician should drive the vehicle to duplicate the concern. The fuel gauge will have a tendency to falsely indicate a lower fuel level than what is actually present. The fuel gauge will take a few minutes to show the correct fuel level. On vehicles equipped with an automatic…
• 10116914Feb 23, 2016Tires, Wheels. This informational bulletin provides information on the proper mounting paste to apply to tires when mounting and balancing them to prevent conditions like Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel)
• 10114431Feb 23, 2016Equipment. This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone contacts to not have any Emojis loaded to any contact.

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