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.

• 10160134Apr 30, 2019Engine. This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours.
• 10160682Apr 23, 2019Visibility (wipers, defrost, mirrors). This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
• 10160087Apr 18, 2019Equipment, Engine. This technical bulletin provides a procedure to measure vibration and install engine mounts to correct a Rough Idle in Drive concern.
• 10160089Apr 10, 2019Brakes. N182202780 - Special Coverage Adjustment. In some circumstances, some 2014-2017 model year Cadillac Escalade, Chevrolet Silverado, Chevrolet Suburban, Chevrolet Tahoe, GMC Sierra, and GMC Yukon vehicles may have a condition where customers may experience increased brake pedal effort, hard brake pedal, and/or potentially increased stopping distance. The condition is more prevalent at low speed when softly applying…
• 10160133Apr 2, 2019Equipment, Transmission and drivetrain. This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions.
• 10160135Apr 1, 2019Equipment. This informational bulletin provides information on proper use of floor mats.
• 10160132Apr 1, 2019Electrical system. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
• 10158864Mar 26, 2019Equipment. This warranty administration bulletin provides information on Dealer Empowerment Labor Operations and Customer Enthusiasm.
• 10158859Mar 25, 2019Equipment. This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.
• 10158855Mar 25, 2019Equipment. This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.
• 10158867Mar 22, 2019Equipment. This informational bulletin provides information on proper use of floor mats.
• 10158857Mar 22, 2019Equipment. This informational bulletin provides information for the dealer technician to gather as much information to help aid Engineers by completely filling out requested reports.
• 10158835Mar 22, 2019Engine. This Bulletin provides the technician with information on how to perform a oil consumption test and a procedure to replace the pistons if found the cause of the oil consumption.
• 10156947Mar 22, 2019Suspension. This Preliminary Information communication provides information to the technician about vehicles that have a lean to the left or right. Technician will need to measure fender wheel-opening heights, front and rear, to quantify vehicle lean. Fender wheel-opening heights are related to, but distinct from, trim height. The front wheel-opening height is known as P height, and the rear wheel-opening height is known as R…
• 10158781Mar 20, 2019Engine, Equipment. This informational bulletin provides diagnostic/inspection information for the air box and air filter seal to correct a MIL and DTCs P0420 and P0430 setting.
• 10156939Mar 19, 2019Equipment. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
• 10158874Mar 18, 2019Equipment. This engineering informational bulletin is requesting information to check the shutters through the grille opening of the vehicle. If snow and/or ice is present on the active grille air shutters, take pictures and submit through the Field Reporting Process.
• 10158863Mar 15, 2019Equipment, Electrical system. This bulletin provides information for electrical ground repairs using new replacement fasteners with "conductive finish".
• 10158862Mar 14, 2019Electrical system, Equipment. This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.
• 10158834Mar 14, 2019Transmission and drivetrain. This technical bulletin provides a procedure to validate if the parking pawl actuator is not working as attended causing the parking pawl to engage while driving.
• 10156929Mar 13, 2019Equipment. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
• 10158865Mar 11, 2019Electrical system, Equipment. This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF.
• 10156916Mar 8, 2019Equipment. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
• 10158858Mar 7, 2019Fuel system, Equipment. This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
• 10158860Mar 5, 2019Equipment, Engine cooling. This informational bulletin explains the normal characteristics of exhaust noise during active fuel management when in Three or Four Cylinder Mode.
• 10158866Mar 4, 2019Engine, Equipment. This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL on.
• 10158838Mar 1, 2019Engine. This informational bulletin provides information on a normal engine operating condition for faster emission warm up time.
• 10158827Mar 1, 2019Transmission and drivetrain. This technical bulletin provides information for new transmission oil to use and a procedure for exchanging the old fluid and adding the new fluid to correct a shake/shudder during light throttle acceleration condition.
• 10154638Feb 28, 2019Transmission and drivetrain. This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns.
• 10155073Feb 26, 2019Equipment. This informational bulletin provides the dealer with information on what to do when requesting a new key code for the customer.
• 10154322Feb 25, 2019Back-over prevention (rear camera). This Preliminary information communicates repair information for the rear vision camera or surround vision camera image being: - Yellow - Blurry - Distorted - Image scrolling - Image with NO gridlines - Screen is blue with gridlines - Screen is blue with Service Rear Vision System message
• 10154648Feb 19, 2019Engine. This technical bulletin provides repair information for transmission control module reprogramming to correct a customer concern for MIL illuminated with firm shifts, shudder, engine RPM flare and DTCs P0606, P16F3 or P2818 set.
• 10154306Feb 19, 2019Engine cooling. This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
• 10154299Feb 18, 2019Engine cooling. This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
• 10154649Feb 14, 2019Body and structure. This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
• 10155072Feb 8, 2019Electrical system. This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message On and Off.
• 10154635Feb 8, 2019Transmission and drivetrain. This technical bulletin provides a procedure to flush and drain fluids for the transmission to eliminate a shake and/or shudder during a light throttle acceleration between 40 and 128 KM/H (25 and 80 MPH) at a steady state.
• 10154650Feb 7, 2019Wheels, Tires. This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair.
• 10155070Feb 5, 2019Equipment. This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.
• 10154628Jan 31, 2019Equipment. This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).
• 10154625Jan 31, 2019Equipment. This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS).
• 10155055Jan 29, 2019Equipment. This informational bulletin provides a listing of the parts availability for coax repair procedures and what is needed to complete some repairs.
• 10154626Jan 24, 2019Equipment. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
• 10154630Jan 22, 2019Equipment. This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
• 10154629Jan 18, 2019Electrical system. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs.
• 10154627Jan 14, 2019Equipment. This warranty administration bulletin provides policy information on required operating procedures.
• 10154606Dec 17, 2018Equipment. This Preliminary Information communication provides information to the technician about the Media Oriented Systems Transport Bus Diagnostic Tool Kit (EL-51578) has been released to help diagnose any of the Media Oriented Systems Transport bus concerns. The kit contains header connectors that are installed to bypass Media Oriented Systems Transport bus modules. The bypass connector also contains a terminal for…
• 10154605Dec 17, 2018Suspension. This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center.
• 10154604Dec 17, 2018Engine cooling. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency…
• 10154601Dec 17, 2018Body and structure. This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.

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