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.

• 10112558Nov 8, 2012Electrical system. This Preliminary Information communication provides information to the technician with additional vehicle speed sensor diagnostic information. Technician may encounter multiple issues when diagnosing a Vehicle Speed Sensor. Technician will find it difficult to follow the speed signal path between the components. To test connect the Fluke meter leads between circuits 821 and 822 and set the meter to Alternating…
• 10138189Nov 7, 2012Tires, Wheels. This informational bulletin provides information on how to properly mount and balance wheels and tires on heavy duty truck models only
• 10137446Nov 7, 2012Tires, Wheels. This informational bulletin provides information on how to properly mount and balance wheels and tires on heavy duty truck models only
• 10126167Nov 7, 2012Equipment. This preliminary informational bulletin provides a procedure to replace the first junction block terminal and other terminals to correct a condition of poor HVAC performance.
• 10112551Nov 6, 2012Brakes. This Preliminary Information communication provides information to the technician about vehicles that have an Antilock Braking System lamp followed by a Service Stability message in the Drivers Information Center. Technician my find Diagnostic Trouble Code C0710 set in the Electronic Brake Control Module. Technician may or may not find Diagnostic Trouble Code C0455. Technician will need to ensure the steering wheel…
• 10112548Nov 6, 2012Equipment. This Preliminary Information communication provides information to the technician about vehicles that only have audio from the front left speaker after replacing the amplifier. Technician should program the amplifier using Tis-2-Web using Service Programming System with the latest calibrations.
• 10112547Nov 6, 2012Equipment. This Preliminary Information communication provides information to the technician about vehicles that have a front passenger flooring wet, water sloshing noise, and/or mist from the dash vents. Technician will need to rotate the drain hose to clear the heat shield.
• 10112544Nov 6, 2012Steering, Brakes. This Preliminary Information communication provides information to the technician about vehicles that may have a power steering pump whine noise. Technician will need to flush and refill the power steering system with Lucas Power Steering Fluid with Conditioners. Technician will replace the power steering pump with the latest design if the fluid is not available.
• 10138187Nov 5, 2012Equipment. This preliminary informational bulletin provides a revision for PI0688C to add the 2013 model year and update the Parts Information.
• 10137444Nov 5, 2012Equipment. This preliminary informational bulletin provides a revision for PI0688C to add the 2013 model year and update the Parts Information.
• 10126166Nov 5, 2012Electrical system. This preliminary informational bulletin provides a procedure to replace the mobile microphone for concerns regarding poor voice quality during bluetooth call or onstar personal calls.
• 10112541Nov 5, 2012Engine cooling. This Preliminary Information communication provides information to the technician about vehicles that have a buzz or rattle type noise during light acceleration around 1200-2000 Revolutions per minute. Technician will need to reposition the fuel line and bracket down away from the floor pan.
• 10112540Nov 5, 2012Body and structure. This Preliminary Information communication provides information to the technician about vehicles that the rear power lift-gate is inoperative with the inside switch and the outside door handle. Dealer should advise the customer to press the unlock button on the door panel and the lift-gate will work.
• 10112536Nov 2, 2012Air bags. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B0081 in the Sensing and Diagnostic Module and Passenger Presence Sensor modules. Technician should inspect the Sensing and Diagnostic Module and Passenger Presence Sensor powers, grounds, and communication circuits at all in line connectors for fully seated, backed out terminals, and…
• 10245761Nov 1, 2012Equipment, Electrical system. Requesting a New Key Code for Customer with Lost or Stolen Keys
• 10112530Nov 1, 2012Equipment. This Preliminary Information communication provides information to the technician about vehicles that have a high pitch buzz, whine, squeal, or hum noise from the radio display. Dealer should communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern.
• 10112529Nov 1, 2012Equipment. 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.
• 10112528Nov 1, 2012Electrical system. This Preliminary Information communication provides information to the technician about vehicles that during battery parasitic drain test, there may be some confusion as to what the normal power consumption reading should be from the OnStar system. Technician should understand the power cycles of the various OnStar systems. All Generation 6, 7, 8, and 9 systems are powered up continuously for 48 hours from ignition…
• 10043892Nov 1, 2012Visibility (wipers, defrost, mirrors). Gm: diagnose and repair hvac blower function. May not be any air flow from the hvac vents. One possible of this condition may be the contacts in the hvac junction block(s) located at the right side of the instrumental panel. *js updated 1/24/13.
• 10112526Oct 31, 2012Brakes, Equipment. This Preliminary Information communication provides information to the technician about vehicles that have a "Service Stability Message" appears on the Drivers Information Center. Technician will find Diagnostic Trouble Code C0561 set in the Electronic Brake Control Module. Technician will need to address any other Diagnostic Trouble Codes that are set in the vehicle first before working on Diagnostic Trouble Code…
• 10112519Oct 29, 2012Suspension, Wheels. This Preliminary Information communication provides information to the technician about vehicles that have grease leaking from front hub bearings. Technician should not replace the bearing for grease purge. Technician should be advised to not clean the purged grease from the area immediately on or adjacent to the seals because this grease provides additional protection.
• 10112512Oct 22, 2012Seats, Equipment. This Preliminary Information communication provides information to the technician about vehicles that are unable to set a personalized easy exit seat and/or power tilt column position and they will only move a predetermined amount. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
• 10112494Oct 18, 2012Equipment. This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts. Technician can check Service Information for some accessories. Technician can also contact Partech for assistance.
• 10112487Oct 17, 2012Engine cooling, Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have a lack of power on initial acceleration from a stop when the ambient temperature is approximately 103 Fahrenheit or greater and may include engine detonation or pre-ignition type events as temperatures approach 120 Fahrenheit. Technician will need to perform published Service Information diagnosis first.
• 10084191Oct 16, 2012Equipment, Electrical system. This preliminary informational bulletin provides a list of corrections for multiple concerns regarding unexpected loss of radio audio (radio goes silent/no sound) and other blackberry phone - bluetooth issues
• 10118638Oct 15, 2012Engine cooling. This informational bulletin provides information on Identifying Non-GM (Aftermarket) Engine Calibrations for Gasoline Engines Using Tech 2 or GDS 2
• 10118637Oct 15, 2012Equipment. This informational bulletin provides information on dealer responsibility for cargo carrying capacity labeling and the part numbers for the labels.
• 10118635Oct 15, 2012Visibility (wipers, defrost, mirrors). This preliminary informational bulletin provides a procedure for relearning the power folding mirriors and road testin to verify they correct a condtion of the power folding mirriors glass shakes, flutters at normal driving conditions.
• 10118634Oct 15, 2012Transmission and drivetrain. This warranty administration bulletin provides information on the change in automatic transmission add conditions documentation and claim submissions
• 10112472Oct 15, 2012Electrical system. This Preliminary Information communication provides information to the technician about vehicles that if the ignition key is turned to the start position, and then released when the engine begins cranking, the engine will continue cranking for a few seconds or until the vehicle starts. Some customers may state that this feature is inoperative.
• 10084683Oct 15, 2012Equipment, Body and structure, Visibility (wipers, defrost, mirrors). This preliminary informational bulletin provides a procedure for relearning the power folding mirriors and road testin to verify they correct a condtion of the power folding mirriors glass shakes, flutters at normal driving conditions.
• 10112470Oct 12, 2012Equipment, Electrical system, Vehicle speed control. This Preliminary Information communication provides information to the technician about vehicles that have an instrument panel backlighting flashes, flickers or inoperative, unwanted horn activation, radio controls inoperative or unwanted activation, OnStar unwanted activation, and cruise control inoperative.
• 10112468Oct 12, 2012Visibility (wipers, defrost, mirrors). This Preliminary Information communication provides information to the technician about the percentage of Ultraviolet protection or tint offered by the windshield or side glass. Technician should be advised Windshield reduces Ultraviolet rays down to 4% or less. Front side door glass reduces Ultraviolet rays down to 35% or less. Windshields are SOLAR glass with a light transmittance of >/=70%. Front door glass are…
• 10112465Oct 11, 2012Equipment. This Preliminary Information communication provides information to the technician about vehicles that have a message on the radio "maximum number of phones are currently paired to the vehicle". Dealer should advise the customer this is normal operation of the vehicle due to the maximum number of five phones can be paired to a vehicle.
• 10118626Oct 10, 2012Equipment. This warranty administrational bulletin provides information on Clarification of Use - Dealer Empowerment Labor Operations and Customer Enthusiasm
• 10118623Oct 9, 2012Equipment. This warranty administrational bulletin provides information on courtesy transportation and roadside assistance programs offered through GM.
• 10118619Oct 5, 2012Equipment. This informational bulletin provides information on newly release bulletins used to fi the vehicles in the field the first time.
• 10112454Oct 5, 2012Seats, Equipment. This Preliminary Information communication provides information to the technician about vehicles that the front and/or rear heated seats are inoperative and/or the driver's power seat only moves in short bursts each time the seat switch is operated. Technician will need to reprogram only the affected module (Memory Seat Module, Rear Heated/Vented Seat Module, or Front Seat Heating Control Module) with updated…
• 10112452Oct 5, 2012Electrical system. This Preliminary Information communication provides information to the technician about vehicles that the cruise control being inoperative. Technician may find Diagnostic Trouble Code B3894 set in the Trailer Brake Control Module. Technician should follow published Service Information diagnostics first. Technician should check the "Master Cylinder Pressure" sensor parameter listed in the Trailer Brake Control…
• 10247742Oct 1, 2012Electrical system. Computer-Controlled Cranking System (Bump Start) Inoperative.
• 10247741Oct 1, 2012Vehicle speed control, Steering. Various Concerns Related To The IP Backlighting Cruise Control Steering Wheel Controls Horn.
• 10247730Oct 1, 2012Electrical system, Seats. Power Seat Moves In Short Bursts and/or Heated Seats
• 10247656Oct 1, 2012Other or unknown, Electrical system, Vehicle speed control. Cruise Control Inoperative.
• 10247087Oct 1, 2012Engine cooling. Computer-Controlled Cranking System (Bump Start) Inoperative.
• 10247086Oct 1, 2012Steering, Vehicle speed control. Various Concerns Related To The IP Backlighting Cruise Control Steering Wheel Controls Horn.
• 10247075Oct 1, 2012Electrical system, Seats. Power Seat Moves In Short Bursts and/or Heated Seats
• 10246951Oct 1, 2012Equipment. Programming And Activation Of Replacement OnStar Modules.
• 10246593Oct 1, 2012Transmission and drivetrain. Warranty Administration ? Change in Automatic Transmission Add Condition Documentation and Claim Submission
• 10245295Oct 1, 2012Vehicle speed control. Cruise Control Inoperative.
• 10071809Oct 1, 2012Body and structure. Summary to be provided on a future date.

← All problems reported for the 2012 GMC Yukon Denali