2012 GMC Sierra Denali Technical Service Bulletins

1,703 technical service bulletins (TSBs) are on record for the 2012 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.

• 10113509Aug 30, 2013Equipment. This informational bulletin provides information on Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules (VCIM).
• 10113224Aug 29, 2013Engine. This Preliminary Information communication provides information to the technician about vehicles that may have an engine buzz, moan, rattle, whine, or vibration type noise that can typically be heard at idle or low revolutions per minute. The noise does not indicate a problem and will not result in damage to the pump or the engine. If the customer is dissatisfied with the oil pump whine noise replacement of the oil…
• 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.
• 10113150Jul 29, 2013Electrical system, Transmission and drivetrain. This Preliminary Information communication advises the technician that the Allison Transmission Control Module Part Restriction through the General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.
• 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.
• 10113129Jul 12, 2013Engine. This Preliminary Information communication advises the technician that the 6.6L Duramax Diesel Engine Control Module Part numbers 12648344 and 12654088 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.
• 10113128Jul 12, 2013Engine. This Preliminary Information communication advises the technician that the Duramax Diesel Engine Fuel Injection Pump Part number 12645102 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.
• 10130565Jul 10, 2013Electrical system. This informational bulletin provides information for GM wiring repair.
• 10130563Jul 10, 2013Transmission and drivetrain. This preliminary information bulletin provides information on the transmission over temperature, MIL illuminated due to twisted or kinked transmission oil cooler lines.
• 10130562Jul 9, 2013Equipment. This informational bulletin provides information on key code security and information on GM key code look up applications.
• 10253604Jul 1, 2013Equipment. Poor Voice Quality During Bluetooth Call or OnStar® Personal Call.
• 10253137Jul 1, 2013Transmission and drivetrain. Transmission Valve Body.
• 10246634Jul 1, 2013Engine cooling. Information for Engine Oils Used in 2014 Model Year Vehicles
• 10246630Jul 1, 2013Electrical system. GM Wiring Repair Strategy Information
• 10113120Jul 1, 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…
• 10113069Jun 28, 2013Engine cooling, Transmission and drivetrain. This Preliminary Information communication provides information to the technician abut vehicles that have a knock noise or vibration from the engine or transmission. Technician will need to inspect the flex plate. The flex plate and transmission bell housing should be replaced if the flex plate is found cracked.
• 10134756Jun 27, 2013Equipment. This preliminary informational bulletin a revision for PI0688D to update the Parts and Warranty Information.
• 10113067Jun 27, 2013Equipment, Engine cooling. This Preliminary Information communication advises the technician that the Allison A1000 Valve Body part number 29545998 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.
• 10113066Jun 27, 2013Transmission and drivetrain. This Preliminary Information communication advises the technician that the Allison 6 Speed Automatic Transmission Assembly 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.
• 10113064Jun 27, 2013Transmission and drivetrain, Equipment. This Preliminary Information communication advises the technician that the Allison Transmission Control Module will be placed on a parts restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
• 10113062Jun 25, 2013Visibility (wipers, defrost, mirrors). This Preliminary Information communication provides information to the technician about an owner that may request to have a different style mirror installed on their vehicle or request a different mirror before they purchase the vehicle. Swapping mirrors on vehicles equipped with Side Blind Zone Alert, Regular Production Option Code UFT, is not recommended. On other vehicles tech will need to verify if the vehicle…
• 10134746Jun 24, 2013Transmission and drivetrain. This technical bulletin provides a revision for 10-06-01-004A to update the Parts Information.
• 10113060Jun 24, 2013Engine cooling. This Preliminary Information communication provides information to the technician about vehicles that have an audible engine whine noise at 1500-1800 revolutions per minute. Technician will need to check the coolant level, remove serpentine belt to verify noise goes away, rotate the thermostat 90 degrees and retest, then replace thermostat and retest. Technician will replace the water pump if there is no change.
• 10113059Jun 24, 2013Engine cooling. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Technician may find Diagnostic Trouble Codes P0420 and or P0430 stored. Technician should be advised that the catalytic converter efficiency Diagnostic Trouble Codes P0420 and P0430 are disabled for the first…
• 10134741Jun 20, 2013Equipment. This technical bulletin provides a revision for 04-00-89-015D to update content and incorporate the U.S. version of Bulletin 12-00-89-003.
• 10134739Jun 19, 2013Equipment. This technical bulletin provides a revision for 03-00-89-0061I to add the 2014 model year and Transport Mode heading.
• 10134736Jun 18, 2013Seat belts. This technical bulletin provides a revision of 05-09-40-002F to add the 2013-2014 model years.
• 10134731Jun 14, 2013Wheels. This technical bulletin provides a revision of 10-03-10-001A to add the 2014 model year and a reference to a new style wheel adapter.
• 10113047Jun 14, 2013Transmission and drivetrain. This Preliminary Information communication provides information to the technician about vehicles that during the first few launches after a key cycle, they experience a delayed 1-2 upshift. Technician can update the Transmission Control Module with the latest calibration is available through TIS2Web.
• 10134722Jun 12, 2013Equipment. This preliminary informational bulletin provides a revision for PI0345B to add the 2014 model year and update the Warranty Information.
• 10134717Jun 10, 2013Equipment. This preliminary informational bulletin provides a revision for PI0369B to add the 2014 model year.
• 10113038Jun 10, 2013Engine. This Preliminary Information communication provides information to the technician about vehicles that have low oil pressure, no oil pressure, and/or engine noise. Technician will need to replace the oil pump, flush the oil cooler lines.
• 10113034Jun 7, 2013Electrical system. This Preliminary Information communication provides information to the technician that during the Pre-Delivery Inspection it may be noticed that the backup alarm is inoperative. Technician can locate the wire harness on the right rear of the frame. Technician can route the harness up and over the spare tire hoist tube and connect to the backup alarm.
• 10134709Jun 5, 2013Visibility (wipers, defrost, mirrors). This preliminary informational bulletin provides information for Passenger Side Defrost Air Flow/Performance and/or Temperature Less Warm Than Drivers Side in Defrost, IP Vent or Heat Modes Condition.

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