2015 GMC Sierra Denali Technical Service Bulletins

1,815 technical service bulletins (TSBs) are on record for the 2015 GMC Sierra 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.

• 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.
• 10112129Jul 25, 2014Brakes, Transmission and drivetrain. This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? Brake Pedal Override Feature ?, transmission busy or frequent shifting up or down, and Diagnostic Trouble Codes P057B, P057C, and/or P057D may or may not be set.
• 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.
• 10140432Jul 18, 2014Seats. This preliminary informational bulletin provides a procedure for the technician to test the power seats, the outside power mirriors, shorts in the wiring and the MSM, and reprogram the module if shorts weren't found, for the customers concern of the mirriors and/or seat inoperative.
• 10138587Jul 18, 2014Electrical system, Visibility (wipers, defrost, mirrors), Seats. This preliminary informational bulletin provides a procedure for the technician to test the power seats, the outside power mirriors, shorts in the wiring and the MSM, and reprogram the module if shorts weren't found, for the customers concern of the mirriors and/or seat inoperative.
• 10137837Jul 18, 2014Electrical system, Equipment. This preliminary informational bulletin provides a procedure for the technician to test the power seats, the outside power mirriors, shorts in the wiring and the MSM, and reprogram the module if shorts weren't found, for the customers concern of the mirriors and/or seat inoperative.
• 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.
• 10140428Jul 16, 2014Engine cooling. This information bulletin advises of a new tool used to aid in installing Duramax glow plugs.
• 10140367Jul 16, 2014Equipment. This informational bulletin provides information on what products GM has to aid in the eliminating unwanted odors in a vehicle.
• 10140366Jul 16, 2014Visibility (wipers, defrost, mirrors). This preliminary bulletin provides a procedure to replace the outside mirriors with camper style mirriors for the customer request.
• 10138583Jul 16, 2014Equipment. This information bulletin advises of a new tool used to aid in installing Duramax glow plugs.
• 10138582Jul 16, 2014Equipment. This informational bulletin provides information on what products GM has to aid in the eliminating unwanted odors in a vehicle.
• 10137833Jul 16, 2014Equipment, Engine cooling. This information bulletin advises of a new tool used to aid in installing Duramax glow plugs.
• 10137832Jul 16, 2014Equipment. This informational bulletin provides information on what products GM has to aid in the eliminating unwanted odors in a vehicle.
• 10137831Jul 16, 2014Equipment, Visibility (wipers, defrost, mirrors). This preliminary bulletin provides a procedure to replace the outside mirriors with camper style mirriors for the customer request.
• 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.
• 10140360Jul 9, 2014Engine, Engine cooling. This preliminary information bulletin provides a procedure to install an air temperature sensor package kit, to correct the customer concern for reduced engine power and /or MIL illuminated.
• 10138575Jul 9, 2014Engine cooling, Equipment. This preliminary information bulletin provides a procedure to install an air temperature sensor package kit, to correct the customer concern for reduced engine power and /or MIL illuminated.
• 10137825Jul 9, 2014Engine, Equipment. This preliminary information bulletin provides a procedure to install an air temperature sensor package kit, to correct the customer concern for reduced engine power and /or MIL illuminated.
• 10140359Jul 8, 2014Equipment. This Technical bulletin provides a procedure to request a hard mute from Onstar when navigation is annoucing directions and to correct the customers concern of the radio being loud during navigation.
• 10140358Jul 8, 2014Engine. This information bulletin provides additional information to the technician on how to diagnose possible normal engine noise during a cold star and a warm engine operation.
• 10138574Jul 8, 2014Equipment. This Technical bulletin provides a procedure to request a hard mute from Onstar when navigation is annoucing directions and to correct the customers concern of the radio being loud during navigation.
• 10137824Jul 8, 2014Equipment, Electrical system. This Technical bulletin provides a procedure to request a hard mute from Onstar when navigation is annoucing directions and to correct the customers concern of the radio being loud during navigation.
• 10137823Jul 8, 2014Equipment, Engine cooling. This information bulletin provides additional information to the technician on how to diagnose possible normal engine noise during a cold star and a warm engine operation.
• 10112103Jul 8, 2014Fuel system. This Preliminary Information communication provides information to the technician about vehicles that may have a fuel leak or fuel odor. Technician may find Diagnostic Trouble Codes. If Diagnostic Trouble Codes are found technician should use published Service Information diagnostics first. If fuel leaks are found at the high pressure pump to fuel rail line fitting connections, technician should inspect the high…
• 10245769Jul 1, 2014Suspension, Tires, Wheels. Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip
• 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.
• 10112100Jul 1, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that may have a blank display. Technician may find a Diagnostic Trouble Code U150F set. Technician will need to inspect circuit 7527 for damage if the Diagnostic Trouble Code is current.
• 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.
• 10125979Jun 26, 2014Engine cooling, Fuel system. This Preliminary Information communication provides information to the technician about vehicles that may have Service messages in the Driver Information Center, Malfunction Indicator Lamp on, Erratic fluctuating engine oil pressure gauge, engine crank no start, and engine may run rough or misfire. Technician may find Diagnostic Trouble Codes. Technician should use published Service Information diagnostics for the…
• 10125978Jun 26, 2014Transmission and drivetrain. This Preliminary Information communication provides information to the technician about vehicles that may have a rough idle and/or a vibration at idle in gear. Technician will need to try centering the engine and transmission mount. For vehicles built before 07/01/2013 if no change the shim to the right engine mount 2 most inner bolts 3mm.
• 10125977Jun 26, 2014Body and structure, Equipment. This Preliminary Information communication provides information to the technician about vehicles that have water or dust from the openings under the bed rails near the stake pockets. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
• 10125975Jun 26, 2014Electrical system, Fuel system. This Preliminary Information communication provides information to the technician about vehicles that may have a hard start, no start, rough running, or low fuel pressure. Technician may find Diagnostic Trouble Codes P0087, P0088, P0191 and P128E during the inspection. If during the inspection of the fuel system contamination is found the complete fuel system will need to be cleaned and flushed. After the fuel…
• 10125973Jun 26, 2014Electrical system. This Preliminary Information communication provides information to the technician about vehicles that may have Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Code P0420, P24A0 and or P2463. Technician should follow published Service Information diagnostics for the Diagnostic Trouble Codes that are set. If the diagnostic leads to diagnosis or replacement of the Q57 Indirect Exhaust…
• 10125972Jun 26, 2014Transmission and drivetrain, Engine. 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.
• 10126301Jun 24, 2014Equipment. This preliminary bulletin explains to the technician to use the vin when reprogramming the radio using the techline/service programming systems.
• 10125965Jun 23, 2014Equipment, Electrical system. This Preliminary Information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 110. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."

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