2012 GMC Yukon Denali Technical Service Bulletins

1,526 technical service bulletins (TSBs) are on record for the 2012 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.

• 10112428Oct 25, 2013Body and structure, Latches, locks and linkages, Electrical system. This Preliminary Information communication provides information to the technician about customers that are unable to override the automatic door locking feature. Technician will update the Body Control Module on 2006 to 2007 model years. On 2010 to 2014 model years technician will need to contact Techline Customer Support for calibrations.
• 10112427Oct 24, 2013Other or unknown, Electrical system. This Preliminary Information communication provides information to the technician about customer's wanting to add the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full Size pickup/utility when the vehicle was not ordered with the option. Dealer should advise the customer that if the vehicle does not have the option Regular Production Option Code (JL1) it…
• 10112423Oct 24, 2013Body and structure, Electrical system, Equipment. This Preliminary Information communication provides information to the technician about vehicles that have power lift-gate that is inoperative from all the switches and the keyless entry transmitter only with the ignition in the off position. Technician will need to inspect circuit 5985 for battery voltage. Repair any damaged wires or terminals.
• 10112413Oct 16, 2013Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have multiple electrical concerns and or intermittent no crank. Technician will need to remove the 175 amp Mega Fuse and inspect for arcing. If any type of arcing is found replace the affected components. Technician will also check the voltage drop on the positive and negative and the torque of the cable at the…
• 10112406Oct 15, 2013Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have various 2-Mode Hybrid issues. Some vehicle may have service hybrid system lamp that comes on with a Diagnostic Trouble Code P061B set. Technician will need to take a snap shot of the Electronic Brake Control Module and call General Motors Technical Assistance Center for further assistance.
• 10112400Oct 9, 2013Transmission and drivetrain, Engine cooling. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have Service Engine Soon Malfunction Indicator Lamp on and a constant engine misfire. If Service Information diagnosis isolates no compression on the misfiring cylinder(s) with 100% leakage into the crankcase, perform the following steps as necessary before disassembling the engine.
• 10112399Oct 8, 2013Equipment. 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.
• 10112388Oct 4, 2013Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D-37 history in the Vehicle Communication Interface Module or telematics communication interface control module. Engineering has determined that this code will only display in history on the scan tool and will not cause issues with OnStar system operation.
• 10112387Oct 3, 2013Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will need to call General Motors Technical Assistance Center for further assistance. If the Diagnostic Trouble Code B101D has a sym 37 set please refer to the latest version of PIC5492.
• 10247675Oct 1, 2013Electrical system. Diagnosing / Troubleshooting Multiple Electrical Concerns / Intermittent No Crank
• 10247669Oct 1, 2013Equipment, Brakes. Adding Integrated Trailer Brake Controller RPO JL1.
• 10246632Oct 1, 2013Equipment. PAC Courtesy Transportation Assistance Program
• 10246618Oct 1, 2013Equipment. Car and Truck Fix it Right the First Time Issues
• 10245779Oct 1, 2013Other or unknown, Equipment. Unnecessary Flushing Services, Additive Recommendations and Proper Utilization of GM Goodwrench Maintenance Schedule to Enhance Customer Service Experience
• 10245778Oct 1, 2013Equipment, Other or unknown. Unnecessary Flushing Services, Additive Recommendations and Proper Utilization of GM Goodwrench Maintenance Schedule to Enhance Customer Service Experience
• 10245739Oct 1, 2013Equipment. Enable and Empower Project
• 10245314Oct 1, 2013Electrical system. Diagnosing / Troubleshooting Multiple Electrical Concerns / Intermittent No Crank
• 10245308Oct 1, 2013Other or unknown, Brakes. Adding Integrated Trailer Brake Controller RPO JL1.
• 10112382Oct 1, 2013Visibility (wipers, defrost, mirrors). This Preliminary Information communication provides information to the technician about the percentage of UV protection or tint offered by the windshield or side glass. Technician should be advised Windshield reduces UV rays down to 4% or less. Front side door glass reduces UV rays down to 35% or less. Windshields are SOLAR glass with a light transmittance of >/=70%. Front door glass are Solar glass with a light…
• 10032396Oct 1, 2013Electrical system. Chevrolet/gmc/cadillac: multiple electrical concerns with dtc c0900 - keywords battery c/k cable clock crank cycle door dimming flicker gage gauge gmc hvac inop inoperative instrument intermittent ipc lock no panel power radio stall start temperature. *pe updated 3/28/11. Model yrs 2007-2009. *pe updated on 6/27/2011 added model yrs 2010-2011. *kb model years added 2012, 2013, and 2014. Updated 12/2/2013
• 10113256Sep 18, 2013Electrical 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.
• 10113254Sep 18, 2013Equipment. This Preliminary Information communication provides information to the technician about the new fluids available for axle service and clarifies usage. Technician will use the chart to determine the proper axle lubricant to use.
• 10113227Sep 3, 2013Equipment. 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 Partech for assistance.
• 10250085Sep 1, 2013Seat belts. Seat Belt Extender Availability
• 10246572Sep 1, 2013Seat belts. Seat Belt Extender Availability
• 10053864Sep 1, 2013Steering. Buick/cadillac/chevrolet/gmc/pontiac/ saturn: there is fluid leaking from power steering system, along a fluid leak in front of vehicle underneath and should be inspected, cleaned and identified before repairing or replacing. Model 2010-14 lacrosse, 2011-14 regal, 2007-14 escalade, suburban, tahoe, yukon, yukon xl, yukon denali, yukon denali xl, 2013-14 xts, 2005-14 malibu, 2007-13 avalanche, silverado, sierra…
• 10113509Aug 30, 2013Equipment. This informational bulletin provides information on Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules (VCIM).
• 10113506Aug 28, 2013Tires. This warranty administration bulletin provide policy information on GM of Canada New Vehicle Limited Warranty Tire Program and Global Warranty Management (GWM) Submission Information.
• 10113502Aug 26, 2013Transmission and drivetrain, Brakes, Electrical system, Equipment, Engine…. This warranty administration bulletin provide policy information on a revised customer concern not duplicated/verified labor operation numbers and how to submit CCND.
• 10113209Aug 22, 2013Engine, Equipment. This Preliminary Information communication provides information to the technician about vehicles that a tick ping noise on torque reversal or load. Technician will need to replace the propeller shaft. Technician will need to contact General Motors Technical Assistance Center for further assistance if the vehicle was built January 1, 2013 or later.
• 10113199Aug 20, 2013Electrical system. This Preliminary Information communication provides information to the technician about vehicles that the OnStar system will not connect. Technician should record module info per the latest version of PIC4310 and contact General Motors Technical Assistance Center.
• 10113494Aug 19, 2013Engine cooling, Equipment. This informational bulletin provides information on close-coupled converter and engine replacement.
• 10113492Aug 15, 2013Seat belts. This informational bulletin provides information on availability for the seat belt extender.
• 10113191Aug 13, 2013Engine cooling. This Preliminary Information communication provides information to the technician that some vehicles may have a Service Engine Soon lamp, engine misfire on cylinder 1, 4, 6, or 7 and/or tick noise. Technician will follow service information diagnosis first. If service information diagnosis does not isolate the cause of this concern perform a cylinder deactivation active fuel management system compression test in…
• 10113189Aug 13, 2013Equipment. This Preliminary Information communication advises the technician that the Valve Assembly part number 24255209 and Valve Body part number 29544409 have been removed from the General Motors Product Quality Center parts restriction.
• 10113188Aug 12, 2013Steering. This Preliminary Information communication provides information to the technician vehicles with a slight rough idle. Technician should compare the concern with a like vehicle. If the concern is worse than a like vehicle, technician should follow published Service Information diagnosis and repair as necessary.
• 10113483Aug 5, 2013Tires. This warranty administration bulletin provide policy information new tire warranty program and global warranty management submission information.
• 10113178Aug 5, 2013Transmission and drivetrain. 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.
• 10113177Aug 5, 2013Engine, Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Codes P0300-P0308.
• 10113170Aug 1, 2013Transmission and drivetrain. 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.
• 10113156Jul 29, 2013Visibility (wipers, defrost, mirrors). This Preliminary Information communication provides information to the technician about vehicles that one or both of the roof mounted video screens will not turn on. Technician will need to inspect X206 and X306 for terminal damage or loose connections.
• 10130578Jul 18, 2013Electrical system. This informational bulletin provides information for warranty codes that are generated by EL-50313 midtronics GR8 battery tester/charger.
• 10130572Jul 16, 2013Equipment. This preliminary information bulletin provides information on poor or no transmitter range when using the remote keyless entry (RKE) and/or remote vehicle start (RVS).
• 10130570Jul 16, 2013Equipment. This informational bulletin provides information for the PQC assembly replacement process.
• 10130568Jul 15, 2013Body and structure. This preliminary information bulletin provides a procedure to remove, update and reinstall the rear side door window reveal molding due to the exterior paint finish is chipped, cracked or scratched around the rear corners of the rear side door window outer sealing strip (reveal molding).
• 10130567Jul 12, 2013Equipment. This informational bulletin provides information on key codes security rules and information on GM key code look up application.
• 10130565Jul 10, 2013Electrical system. This informational bulletin provides information for GM wiring repair.
• 10130562Jul 9, 2013Equipment. This informational bulletin provides information on key code security and information on GM key code look up applications.
• 10246634Jul 1, 2013Engine cooling. Information for Engine Oils Used in 2014 Model Year Vehicles
• 10246630Jul 1, 2013Electrical system. GM Wiring Repair Strategy Information

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