2008 GMC Yukon Denali Technical Service Bulletins

1,145 technical service bulletins (TSBs) are on record for the 2008 GMC Yukon Denali. 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.

• 10142211Sep 17, 2014Equipment. This informational bulletin ask the dealers for digital pictures to better enhance field reports only.
• 10137790Sep 17, 2014Equipment. This informational bulletin ask the dealers for digital pictures to better enhance field reports only.
• 10112237Sep 17, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that the OnStar LED is staying on after the vehicle Retained Accessory Power has turned off and/or their Bluetooth phone stays connected after leaving the vehicle. Technician will need to check the Station Identification number. If the Station Identification number falls in the range technician will need to perform an…
• 10150627Sep 16, 2014Equipment. This information bulletin provides the dealers on how to submit a product information report.
• 10150626Sep 16, 2014Equipment. This informational bulletin provides additional information to the technicians and how to submit a field product report.
• 10142208Sep 16, 2014Equipment. This information bulletin provides the dealers on how to submit a product information report.
• 10142207Sep 16, 2014Equipment. This informational bulletin provides additional information to the technicians and how to submit a field product report.
• 10137787Sep 16, 2014Equipment. This information bulletin provides the dealers on how to submit a product information report.
• 10137786Sep 16, 2014Equipment. This informational bulletin provides additional information to the technicians and how to submit a field product report.
• 10095922Sep 16, 2014Engine. This technical bulletin provides a procedure to correct the customers concern to replace the left side valve cover and active fuel management oil deflector to reduce oil consumption.
• 10112211Sep 8, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that the OnStar LED is staying on after the vehicle Retained Accessory Power has turned off and/or their Bluetooth phone stays connected after leaving the vehicle. Technician will need to perform a power cycle to the Vehicle Communication Interface Module. If the concern is gone, no further action is required.
• 10248493Sep 1, 2014Equipment. Bluetooth Stays Connected After RAP Is Canceled.
• 10248492Sep 1, 2014Equipment. Bluetooth Stays Connected After RAP Is Canceled.
• 10138698Aug 27, 2014Seats, Latches, locks and linkages, Equipment. This technical bulletin provides a procedure to shim the second row seat to correct the customers concern of a rattle, hard to latch or unlatch, and/or power relaese fold and tumble not fully functioning.
• 10138693Aug 25, 2014Equipment, Electrical system. This warranty bulletin explains how to use the EL-50313 Midtronic GR8 Battery tester to test a battery and determin if it is warranty or not.
• 10138682Aug 18, 2014Equipment. This preliminary bulletin provides a diagnostic tip to install a temporary dowl rod to perform an alignment.
• 10138681Aug 18, 2014Tires, Equipment. This informational bulletin provides the technician with information on tire radial force variations and how to use it.
• 10138679Aug 18, 2014Equipment, Steering. This technical bulletin provides a procedure to repair any power steering leak that may be caused from extremely low temperatures and use the recommended fluid.
• 10112160Aug 8, 2014Equipment. This Preliminary Information communication provides information to the technician about installing General Motors Accessory pats. Technician can check Service Information for some accessories. Technician can also contact Partect for assistance. Technician can also contact Techline Customer Support Center for programming issues.
• 10112151Aug 7, 2014Exterior lighting. This Preliminary Information communication provides information to the technician about the operation of the ground illumination lamp. For the puddle lamps to operate they must be turned on using the Drivers Information Center buttons and it must be dark outside.
• 10138670Aug 6, 2014Steering. This technical bulletin provides a procedure to repair any power steering leak that may be caused from extremely low temperatures and use the recommended fluid.
• 10112142Jul 30, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that have a message on the radio "maximum number of phones are currently paired to the vehicle". Dealer should advise the customer this is normal operation of the vehicle due to the maximum number of five phones can be paired to a vehicle.
• 10112137Jul 30, 2014Equipment. 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.
• 10112135Jul 30, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that may have "Press check to turn off motion sensor" message on the Driver Information Center. If this message is displayed, the vehicle has a General Motors Accessory shock sensor, motion sensor or inclination sensor installed. Dealer should advise the customer this is normal operation with this accessory installed.
• 10140437Jul 25, 2014Equipment, Engine. This information bulletin provides the technician the information on how to properly clean a metal surface using the correct tool.
• 10138592Jul 25, 2014Equipment. This information bulletin provides the technician the information on how to properly clean a metal surface using the correct tool.
• 10137842Jul 25, 2014Equipment, Engine cooling. This information bulletin provides the technician the information on how to properly clean a metal surface using the correct tool.
• 10140436Jul 23, 2014Tires, Wheels. This informational bulletin provides technicians with ways to decrease the tire slipping on the rim and reduce to possible chances of the customers concerns over tire vibration are repair.
• 10138591Jul 23, 2014Tires, Wheels. This informational bulletin provides technicians with ways to decrease the tire slipping on the rim and reduce to possible chances of the customers concerns over tire vibration are repair.
• 10137841Jul 23, 2014Tires, Equipment, Wheels. This informational bulletin provides technicians with ways to decrease the tire slipping on the rim and reduce to possible chances of the customers concerns over tire vibration are repair.
• 10112116Jul 17, 2014Engine cooling. This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blow by. Technician will need to inspect the engine for Cylinder damage or scoring, An out of round cylinder bore, Dirt intrusion, and Catalytic Converter failure.
• 10140367Jul 16, 2014Equipment. This informational bulletin provides information on what products GM has to aid in the eliminating unwanted odors in a vehicle.
• 10138582Jul 16, 2014Equipment. This informational bulletin provides information on what products GM has to aid in the eliminating unwanted odors in a vehicle.
• 10137832Jul 16, 2014Equipment. This informational bulletin provides information on what products GM has to aid in the eliminating unwanted odors in a vehicle.
• 10112115Jul 16, 2014Engine, Vehicle speed control. This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on or reduced engine power message. Technician may find Diagnostic Trouble Codes P2120, P2122, P2123, P2125, P2127, P2128, and/or P2138. Technician will need to inspect the Accelerator Pedal Position circuits for poor terminal tension.
• 10140365Jul 15, 2014Equipment. This informational bulletin provides additional information to the technicians and how to submit a field product report.
• 10138580Jul 15, 2014Equipment. This informational bulletin provides additional information to the technicians and how to submit a field product report.
• 10137830Jul 15, 2014Equipment. This informational bulletin provides additional information to the technicians and how to submit a field product report.
• 10140364Jul 14, 2014Electrical system, Electronic stability control. This preliminary bulletin provides information on what labor operation number to use for various electrical/electronic control issues.
• 10138579Jul 14, 2014Equipment, Electrical system. This preliminary bulletin provides information on what labor operation number to use for various electrical/electronic control issues.
• 10137829Jul 14, 2014Equipment, Electrical system, Transmission and drivetrain. This preliminary bulletin provides information on what labor operation number to use for various electrical/electronic control issues.
• 10140363Jul 11, 2014Equipment. This information bulletin provides the dealers on how to submit a product information report.
• 10138578Jul 11, 2014Equipment. This information bulletin provides the dealers on how to submit a product information report.
• 10137828Jul 11, 2014Equipment. This information bulletin provides the dealers on how to submit a product information report.
• 10140353Jul 1, 2014Equipment. This information for Warranty administration - Changes the Service Policy and Procedures Section 1.6.2.11 and list the requirements for the dealer to comply.
• 10137818Jul 1, 2014Equipment. This information for Warranty administration - Changes the Service Policy and Procedures Section 1.6.2.11 and list the requirements for the dealer to comply.
• 10248444Jun 30, 2014Equipment. Vehicle Recalls
• 10125984Jun 27, 2014Visibility (wipers, defrost, mirrors), Equipment. This Preliminary Information communication provides information to the technician about vehicle that may have a whistle noise coming from the driver?s side "A" pillar area when driving around 50 mph with the Heater-Vent-Air Conditioning in recirculation mode. Technician will need to reseal the Vehicle Identification Number plate rivets using room temperature vulcanization silicone sealer from the underside.
• 10126308Jun 26, 2014Suspension. This informational bulletin was created to aid the technician in diagnosing the difference between a shock or strut that has a fluid residule from a possible external source from a leaking shaft seal.
• 10126301Jun 24, 2014Equipment. This preliminary bulletin explains to the technician to use the vin when reprogramming the radio using the techline/service programming systems.

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