2008 GMC Yukon Hybrid Technical Service Bulletins

243 technical service bulletins (TSBs) are on record for the 2008 GMC Yukon Hybrid. 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.

• 10222734Sep 13, 2022Engine cooling. This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
• 10220319Sep 1, 2022Transmission and drivetrain. This diagnostic tip advises the tech not to separate the flexplate from the torque convertor or damage my occur if the engine is started while diagnosing for noise from the engine or transmission.
• 10219266Aug 15, 2022Engine cooling. This bulletin provides information on tools available to find an intake vacuum leak or exhaust leak to correct a condition of MIL Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set.
• 10218873Aug 10, 2022Fuel system, Engine cooling. This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
• 10214869Jun 15, 2022Engine cooling. This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
• 10213022May 16, 2022Equipment. This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
• 10211658May 2, 2022Equipment, Engine. This service bulletin provides policy information on warranty administration guidelines for multiple repairs with independent causes (GM Canada Dealers Only).
• 10210543Apr 13, 2022Equipment. This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
• 10209980Mar 31, 2022Engine cooling. This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
• 10209921Mar 22, 2022Engine cooling. This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
• 10210321Mar 7, 2022Tires, Wheels. 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.
• 10215770Feb 1, 2022Other or unknown. Information.
• 10184105Nov 11, 2020Tires, Wheels. 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.
• 10178324Jun 12, 2020Equipment. This Preliminary information communicates an issue with aftermarket USB chargers causing SIR DTC's to set.
• 10175852Apr 3, 2020Equipment. This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.
• 10171878Jan 2, 2020Equipment, Fuel system. This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
• 10154594Dec 13, 2018Equipment. This Preliminary Information communication advises the technician that vehicles with Regular Production Option Code HP2 will have a condition where were the 120V Accessory Power Outlet is inoperative. Dealer is to advise the customer that the 120V Accessory Power Outlet only functions after the engine has been started.
• 10154570Dec 7, 2018Electrical system. This Preliminary Information communication provides the technician with the steps on how to diagnose vehicles with a no crank with multiple Diagnostic Trouble Codes set in several different modules with Regular Production Option Code HP2. Technician will retrieve all the Diagnostic Trouble Codes that are set current in the vehicle. When there are multiple Diagnostic Trouble Codes technician may wonder were to start…
• 10143773Jul 23, 2018Transmission and drivetrain. This Preliminary Information communication provides information to the technician about vehicles that have a random bump, chuggle, or fishbite sensation when crowding the throttle slightly with the Torque Converter Clutch on while cruising at 35-60 miles per hour. Technician should follow all published Service Information diagnostics if the concern is repaired compare to a like vehicle with the same options.
• 10190338Oct 1, 2017Equipment. Essential Tools that Include Consumable Parts (U.S. Only)
• 10190337Oct 1, 2017Suspension. Information Regarding the Differences Between Fluid Leakage and Seepage This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. Improper diagnosis may lead to unnecessary component replacement. Use the following information to determine if the condition is normal acceptable seepage or a defective component
• 10190320Oct 1, 2017Equipment, Electrical system. IPC Odometer Programming Method Quick Reference Guide
• 10137746Aug 29, 2017Brakes. This Preliminary Information communication advises the technician on the steps to diagnose the concern, and the steps to repair the concern of the vehicle brake noise and brake sensitivity. The technician is to ensure the EBCM has the correct software installed.
• 10138174Mar 24, 2017Transmission and drivetrain, Engine, Equipment. This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressively applying the throttle, or after making a hard stop followed by an aggressive throttle.
• 10113383Feb 20, 2017Equipment. 44180 02 - Customer Satisfaction. Certain vehicles may have key codes which were inappropriately handled by a third party which could increase the risk of vehicle theft. Dealers are to replace all applicable keys and lock cylinders with new key configurations.
• 10130553Jan 18, 2017Equipment. 44180 01 - Customer Satisfaction - Certain vehicles may have key codes which were inappropriately handled by a third party which could increase the risk of vehicle theft. Dealers are to replace all applicable keys and lock cylinders with new key configurations.
• 10082412Aug 31, 2016Electrical system. This technical bulletin provides a procedure to check the cylinders for damaged pistons and determine if the use of aftermarket calibrations or performance parts may be the cause.
• 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.
• 10083240Aug 30, 2016Electrical system. This preliminary information communication advises the technician that the high voltage battery for the 2-mode is no longer on part restriction.
• 10082869Aug 29, 2016Engine. This informational bulletin provides additional information on how to install pistons and suggest what tools to use.
• 10082506Aug 26, 2016Equipment. This technical bulletin provides a procedure to reprogram the media disc player with the latest calibrations to correct a condition of the rear entertainment system not operating as intended in colder ambient temperature areas due to calibration concerns.
• 10083321Aug 16, 2016Suspension. This preliminary information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related to damaged suspension components. Before any in-depth diagnostics are performed, be aware that various issues could occur if the vehicle has been modified and inform the customer…
• 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.
• 10078931May 18, 2016Electrical system. This preliminary information communication provides information to the technician how to diagnose and repair vehicle that may have a rattle, itch or tapping noise coming from the center of the instrument panel area while driving. The cause may be an engine wiring harness making contact with a dowel pin on the forward bulkhead. Technician will remove the engine cover and locate the engine harness. Inspect for a…
• 10078861May 3, 2016Brakes, Equipment. This preliminary information communication advises the technician that the electronic brake control module and brake pressure modulator valve for the 2-mode hybrid utilities and trucks are being placed on parts ordering restriction through the gm technical assistance center (tac).
• 10078568May 1, 2016Transmission and drivetrain, Equipment. This informational bulletin provides information on how to inspect the upper valve body to determine the correct rpo usage to correct a concern that after installation of a replacement upper valve body, the transmission may have no reverse and no 2nd gear due to the installation of the incorrect upper valve body.
• 10083898Apr 27, 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.
• 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.

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