2012 GMC Yukon XL Technical Service Bulletins

1,554 technical service bulletins (TSBs) are on record for the 2012 GMC Yukon XL. 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.

• 10112937Mar 26, 2013Transmission and drivetrain. This Preliminary Information communication provides information to the technician about vehicles that have Diagnostic Trouble Code P0016 stored. Technician will need to inspect the reluctor on the crankshaft. If the reluctor has moved replace the crankshaft.
• 10134676Mar 25, 2013Electrical system, Transmission and drivetrain. This preliminary information bulletin provides information on powertrain and various electronic/electrical control issues.
• 10134675Mar 25, 2013Equipment. This informational bulletin provides information for dealers to properly maintain vehicle in inventory.
• 10112935Mar 25, 2013Electrical 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.
• 10134672Mar 22, 2013Seats. This informational bulletin provides information on the proper cleaning products for GM hard or plastic surfaces, seats carpet, vinyl.
• 10134671Mar 22, 2013Electrical system, Transmission and drivetrain, Equipment, Tires. This technical bulletin provides a procedure on aftermarket ALSL or DLC devices causing multiple issues due to suspected tampering.
• 10134665Mar 20, 2013Back-over prevention (rear camera). This preliminary information bulletin provides information and additional diagnostics on park assist blocked being messaged on the DIC.
• 10112926Mar 20, 2013Equipment. This Preliminary Information communication provides information to the technician about vehicles that have navigation or radio screen is blank or flashes on and off, no sound from speakers, and rear DVD screen inoperative. Technician will find Diagnostic Trouble Codes B1265, B1288, or B1289. Technician will need to repair circuit 7066.
• 10134662Mar 19, 2013Engine, Transmission and drivetrain. This informational bulletin provides information of suspected tampering or vehicle modifications for non-GM (Aftermarket) engine and transmission calibrations for V6 and V8 gasoline engines Using Tech 2® or global diagnostic system 2 (GDS 2)
• 10112917Mar 15, 2013Electrical system. This Preliminary Information communication advises the technician that 2-Mode Drive Motor Generator Battery 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.
• 10134652Mar 11, 2013Equipment. This informational bulletin provides information on fix it right for first time issues.
• 10134646Mar 5, 2013Transmission and drivetrain. This preliminary information bulletin provides a procedure to adjust the transmission dipstick tube and/or install the transmission fluid filler tube sleeve to eliminate a tick, buzz or rattle noise from the front of dash, transmission filler tuber cracked or broken.
• 10112893Mar 5, 2013Equipment. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent Diagnostic Trouble Code P0340. Technician will need to replace the cam position sensor to correct this Diagnostic Trouble Code P0340 concern.
• 10134644Mar 4, 2013Steering. This preliminary information bulletin provides a procedure to eliminate a whine noise that varies with engine speeds.
• 10134640Mar 4, 2013Wheels. This informational bulletin provides information on the appearance of chromed aluminum wheels due to chemical staining, pitting corrosion and/or spotted.
• 10254207Mar 1, 2013Engine cooling, Electrical system. No Crank/No Start, Dead Battery Due to Parasitic Drain/Discharge.
• 10247654Mar 1, 2013Other or unknown, Equipment. Navigation or Radio Display Blank Or Flashing DTC B1265 B1288 Or B1289.
• 10245804Mar 1, 2013Equipment. Aftermarket ALDL or DLC Interface Devices Causing Multiple Issues
• 10245293Mar 1, 2013Equipment, Electrical system. Navigation or Radio Display Blank Or Flashing DTC B1265 B1288 Or B1289.
• 10112885Feb 26, 2013Equipment. This Preliminary Information communication advises the technician that a noise or a vibration in the vehicle that seems to be abnormal may not have been there when the vehicle was purchased. Technician should look for Non - General Motors aftermarket accessories installed on the vehicle that can cause these issues.
• 10112877Feb 22, 2013Engine cooling. This Preliminary Information communication provides information to the technician about vehicles that have a service four wheel drive message displayed in the driver?s information center. Technician may find Diagnostic Trouble Code C0387. Technician should follow published Service Information diagnostics for the Diagnostic Trouble Code if it is a current code. Technician will need to attempt to duplicate the…
• 10112876Feb 21, 2013Equipment. This Preliminary Information communication provides information to the technician about vehicles that have a service 4 wheel drive message displayed in the driver?s information center. Technician will find Diagnostic Trouble Code C0306, C0321, C0398, C0396, and C0569. Technician should inspect the terminal at X109 and X3 for proper tension, crimp, fully seated and overall condition.
• 10112872Feb 20, 2013Vehicle speed control, Electrical system, Body and structure. This Preliminary Information communication provides information to the technician about vehicles that have Diagnostic Trouble Code B2555 may be found in a Driver and/or Passenger Door Module. Technician should ignore the Diagnostic Trouble Code if set in a driver door module and/or Passenger Door Module on a vehicles not equipped with front door panel courtesy lights.
• 10112857Feb 13, 2013Electrical system. This Preliminary Information communication advises the technician that, when testing any circuit for open or resistance, it is imperative that all related terminal pin fit and tension be checked when the test steps require disconnection of the connector or component, prior to any component replacement. Always use the recommended terminal test tool during these tests.
• 10112844Feb 5, 2013Electrical system, Engine, Exterior lighting. This Preliminary Information communication provides information to the technician about vehicles that have Service Engine Soon Malfunction Indicator Lamp and the engine misfires. Technician may find Diagnostic Trouble Codes P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, and P0308. Technician will need to inspect the spark plug wires. Technician will need to replace any loose spark plug wires.
• 10112842Feb 4, 2013Engine, Engine 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…
• 10247756Feb 1, 2013Electrical system, Body and structure. Driver or Passenger Door Module DTC B2555.
• 10247101Feb 1, 2013Electrical system, Body and structure. Driver or Passenger Door Module DTC B2555.
• 10245777Feb 1, 2013Electrical system, Engine, Other or unknown. New Service Cam Bearings For Gen IV V8 Engines
• 10112837Feb 1, 2013Brakes. This Preliminary Information communication provides information to the technician about vehicles that a driveline noise or vibration at various speeds and operating conditions. Technician should be advised that the vehicle should always be restored to a factory configuration when diagnosing noise and vibration concerns.
• 10112836Feb 1, 2013Engine cooling, Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code C0569 that will not clear. Technician should be advised if there are any issues with the rotational position sensor, incremental position sensor, encoder motor, motor A or B circuits, rotational position sensor or incremental position sensor circuits when the transfer case control…
• 10051905Feb 1, 2013Body and structure. Gmc/chevrolet: the passenger and/or driver door module courtesy lights calibrations are the same, with or without, door panel courtesy lights. Model 2007-2013 avalanche, silverado, suburban, tahoe, sierra, yukons. 8pe
• 10043850Feb 1, 2013Steering. Gmc: hydraulic power steering leak at hose connection to steering rack. All potential leaks should be completely cleaned and indentified before attempting to repair or replace any power steering components. *js updated 4/22/13.
• 10112763Jan 31, 2013Equipment. This Preliminary Information communication provides information to the technician about vehicles that have a cold air leak on the front passenger side while driving. Technician will need to use black RTV silicone and apply over the seam between the upper and lower Heater-Vent-Air Conditioning case halves.
• 10133152Jan 28, 2013Equipment. This informational bulletin provides information on the replacement process for the product quality center.
• 10133151Jan 28, 2013Transmission and drivetrain. This informational bulletin provides information for service agents not required to contact product quality center for CNG, LPG or gasoline engine, transmission and/or transfer case.
• 10133149Jan 28, 2013Electrical system. This technical bulletin provides a procedure on suspected tampering due to aftermarket ALDL or DLC interface devices causing multiple issues.
• 10133147Jan 28, 2013Tires. This informational bulletin provides information on tire radial force variation.
• 10133146Jan 28, 2013Visibility (wipers, defrost, mirrors). This technical bulletin provides a procedure for adding double sided tape on the right and left windshield side reveal moldings to remove tapping, clicking or ticking type noise.
• 10133143Jan 25, 2013Electrical system. This informational bulletin provides information on suspected tampering on vehicles modifications for identifying non GM ECM calibrations.
• 10112740Jan 25, 2013Transmission and drivetrain. This Preliminary Information communication provides information to the technician about vehicles that may have a service 4WD message displayed in the Driver Information Center. Technician may find Diagnostic Trouble Code C0379. Technician will need to inspect the front axle actuator connector for signs of moisture intrusion. If there is corrosion on the terminals at either location replace the actuator and harness.
• 10133136Jan 23, 2013Back-over prevention (rear camera), Vehicle speed control. This preliminary informational bulletin provides information on dignostics for a whine noise at varies engine speeds.
• 10112737Jan 23, 2013Electrical system. This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 miles per hour at any given speed when looking straight at the needle.
• 10133130Jan 16, 2013Body and structure. This informational bulletin provides information pre-painting/cleaning process for TPO plastic fascias.
• 10112725Jan 16, 2013Engine. This Preliminary Information communication provides information to the technician about vehicles that have misfires on cylinders 1, 4, 6 and 7. Technician should inspect the camshaft part numbers. Technician should ensure to use part number for the application by using the numbers stamped on the cam.
• 10133125Jan 14, 2013Equipment. This informational bulletin provides information on a update for the Electronic Component Exchange Program (U.S. and Canada Only)
• 10112702Jan 8, 2013Engine. 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.
• 10112701Jan 4, 2013Equipment. 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. Technician should replace the radio for this concern.
• 10247747Jan 1, 2013Electrical system. Speedometer Needle Accuracy Information
• 10247092Jan 1, 2013Electrical system. Speedometer Needle Accuracy Information

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