2013 GMC Sierra Denali Technical Service Bulletins

1,762 technical service bulletins (TSBs) are on record for the 2013 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.

• 10135219Apr 22, 2014Exterior lighting. This informational bulletin explains condensation in exterior lights and replacment guidelines for warranty replacement.
• 10135218Apr 22, 2014Equipment. This informational bulletin is to assist with the identification of issues that are not considered warrantable.
• 10111818Apr 22, 2014Engine. This Preliminary Information communication advises the technician that the 2010 through 2015 6.6L Duramax Diesel Engine Fuel Injection Pump Part numbers 12645102, 12658095 and 12661059 will be placed on a parts restriction through the General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.
• 10111812Apr 18, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that when the front radio source is on CD and rear seat audio control is on XM, the CD track changes when the RSA control is used to change XM stations. Technician should USB update the radio using TIS2Web.
• 10111811Apr 18, 2014Electrical system, Equipment. This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehicle has powered down remove power to the OnStar module for five minutes. After the power has been removed for five minutes, if the OnStar system is working release the vehicle.
• 10111810Apr 17, 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.
• 10111805Apr 16, 2014Engine cooling, Engine. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a no crank concern. Technician will need to check the valve train for movement when the engine is cranked. If the valve train is not moving while the crankshaft is moving the front cover will need to be removed to inspect for a sheared cam sprocket locator pin. If the cam…
• 10135202Apr 15, 2014Electrical system. This informational bulletin provides information on how to disable high voltage safely.
• 10135201Apr 14, 2014Equipment. This information bulletin provides the technician with additional information on fixing the vehicle right the first time by listing possible concerns to specific vehicles.
• 10135200Apr 14, 2014Equipment. This preliminary bulletin provides a procedure to install a new cabin air filter kit for vehicles that did not have one if the customer whants one installed to fix the concern of dust intruding into cabin interior.
• 10135197Apr 11, 2014Engine cooling. The purpose of this document is to provide the Service Personnel with a guide to determine which Service Information documents and scan tool parameters to reference when encountering an: Exhaust Fluid Quality Poor Message Displayed, and a Reductant Fluid Quality Test Status that will Pass, Time Out, Fail or Interrupt and other DEF Messages that may be observed.
• 10111792Apr 8, 2014Equipment. This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
• 10111783Apr 4, 2014Fuel system. This Preliminary Information communication provides information to the technician about vehicles that have an oil leak shortly after a cold start when extremely low ambient temperatures are present. Technician will need to clean the area of the oil leak, clean and dry the PCV hoses, and replace the oil fill cap with part number 12589430.
• 10250013Apr 1, 2014Electrical system. High Voltage Safety ? High Voltage Disabling
• 10246500Apr 1, 2014Equipment, Air bags. High Voltage Safety ? High Voltage Disabling
• 10137887Mar 28, 2014Electrical 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
• 10111884Mar 27, 2014Equipment, Fuel system. This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle. The bump clunk issue may be due to fuel movement in the fuel tank when not completely full. The condition is eliminated after completely filling…
• 10111876Mar 24, 2014Body and structure. This Preliminary Information communication provides information to the technician about vehicles that the customer or up-fitter may have removed the rear bumper, install a different rear bumper, or add a different box/flat bed/cube box/hitch, etc. to the rear of the truck, which affects the rear park assist operation. Technician can disable the rear park assist for this concern.
• 10111875Mar 24, 2014Engine. This Preliminary Information communication provides information to the technician about vehicles that have an oil leak shortly after a cold start when extremely low ambient temperatures are present. Technician will need to clean the area of the oil leak, clean and dry the PCV hoses, and replace the oil fill cap with part number 12589430.
• 10137868Mar 19, 2014Engine cooling. This informational bulletin provides information to the customer to clean the exhaust filter when prompt to or the MIL may come on and the truck DPF system may fail.
• 10137866Mar 17, 2014Equipment. This informational bulletin helps the technician quick reference repairs to bulletins as opposed to replacing parts that may be un necessary.
• 10111856Mar 7, 2014Engine. This Preliminary Information communication advises the technician that the 2010 through 2015 6.6L Duramax Diesel Engine Part number 12638502 has been placed on a parts restriction through General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.
• 10111850Mar 5, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that when a Canadian customer may comment that when they travel to the United States, they are unable to connect to OnStar or use hands free calling. Dealer can advise the customer that the existing cell phone provider not having roaming agreements in areas outside of Canada.
• 10111849Mar 5, 2014Electrical system, Equipment. This Preliminary Information communication provides information to the technician about vehicles that have a frequent "off route" messages while following Turn by Turn route. Technicians will need to remove power from the Vehicle Communication Interface Module for one hour and retest for the concern.
• 10111848Mar 5, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that has no XM audio on certain channels but XM channel info is displayed. Technician will need to contact XM and deactivate and activate the module.
• 10111846Mar 4, 2014Electrical system. This Preliminary Information communication provides information to the technician about a customer?s request to install OnStar Bluetooth. Dealer should be advised at this time, there are no provisions to add this option to vehicles that were not built with it.
• 10111845Mar 4, 2014Equipment, Electrical system. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have an OnStar Turn-By-Turn Navigation the system that is inoperative. Technician verifies there are no Diagnostic Trouble Codes are present in the Antilock Braking System and Vehicle Communication Interface Module of the vehicle. If no Diagnostic Trouble Codes found call OnStar using…
• 10253605Mar 1, 2014Equipment. Poor Voice Quality During Bluetooth Call or OnStar® Personal Call.
• 10247681Mar 1, 2014Equipment. Information On Requests To Add OnStar Bluetooth Option.
• 10245950Mar 1, 2014Equipment. Canadian Customers Unable To Place Calls In The United States
• 10073396Mar 1, 2014Equipment. Summary to be provided on a future date.
• 10138655Feb 28, 2014Visibility (wipers, defrost, mirrors), Equipment. This technical bulletin provides a procedure to install double sided tape to the windshield molding to correct the customers concern of a tapping or clicking noise at the winshield area.
• 10138652Feb 27, 2014Equipment. This preliminary bullin provides a procedure to replace the mobile microphone speaker to correct the customers concern for poor voice quality when using bluetooth.
• 10138651Feb 27, 2014Equipment, Fuel system. This informational bulletin explains the use of diesel fuel additives to remove water or enhance performance.
• 10111972Feb 27, 2014Wheels, Engine cooling, Transmission and drivetrain. This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th gears. This may be due to loose stator support to pump cover bolts causing a leak at the stator support to pump cover gasket. Technician will check for the bolts to be loose.
• 10111969Feb 26, 2014Engine cooling, Brakes, Wheels, Transmission and drivetrain. This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th gears. This may be due to loose stator support to pump cover bolts causing a leak at the stator support to pump cover gasket. Technician will check for the bolts to be loose.
• 10111966Feb 26, 2014Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehicle has powered down, remove power to the OnStar module for five minutes. After the power has been removed for five minutes, if the OnStar system is working release the vehicle.
• 10111964Feb 26, 2014Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have the OnStar system does not respond properly to some numbers and/or voice commands. Dealer should direct the customer to review the operational characteristics in the OnStar Users Guide.
• 10138647Feb 25, 2014Transmission and drivetrain, Electrical system. This preliminary bulletin provides a procedure to reprogram the TCM to correct the customers concern of a bump feel when shifting from drive to reverse.
• 10138646Feb 25, 2014Transmission and drivetrain, Engine, Equipment. This informational bulletin provides a process to the service agents that are not required to contact PQC, to determine when to replace a assembly as opposed to repairing and if an engine or transmission is being returned, that it has all the information in relation to that part being returned.
• 10111962Feb 25, 2014Electrical system. This Preliminary Information communication advises the technician that when replacing the camshaft part number 12626660. Technician will need to ensure that the date code and the finish of the camshaft. If the cam is discolored or has chatter marks, have parts department send the cam back as (MR code7) new defective.
• 10111959Feb 24, 2014Transmission and drivetrain. This Preliminary Information communication provides information to the technician about vehicles with a clunk type noise on start up with the vehicle in park when the vehicle is equipped Allison LCT1000 transmission. This condition is considered to be an operating characteristic of the Allison LCT1000 transmission.
• 10111956Feb 24, 2014Engine. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a no crank concern. Technician will need to check the valve train for movement when the engine is cranked. If the valve train is not moving while the crankshaft is moving the front cover will need to be removed to inspect for a sheared cam sprocket locator pin. If the cam…
• 10138640Feb 21, 2014Visibility (wipers, defrost, mirrors). This warranty bulletin explains how to determine if an outside mirrior was damaged by the customer and what is considered warranty and non-warranty.
• 10138639Feb 21, 2014Equipment, Wheels. This informational bulletin provides the technician the proper way to install and torque the wheel.
• 10138638Feb 21, 2014Wheels. This informational bulletin explains how to balance a chrome wheel without damaging the chrome face of the rim.
• 10138637Feb 21, 2014Wheels, Equipment, Tires. 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.
• 10138631Feb 18, 2014Tires, Wheels. This technical bulletin provides a procedure on cleaning a leaking rim, to correct a customers concern of having a slow tire leak and low tire psi message on.
• 10138630Feb 18, 2014Equipment, Tires. This informational bulletin explains the use of Nitrogen in GM tires.
• 10138629Feb 18, 2014Tires. This bulletin provides information regarding the normal tire wear condition of slight or mild tire feathering and recommended practices.

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