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.

• 10112032Jan 28, 2014Electrical system, Back-over prevention (rear camera). This Preliminary Information communication provides information to the technician about vehicles that have a rear camera display being inoperative when shifting into reverse. Technician should check for a loose or disconnected X421/X322 connector behind the right side "C" pillar trim. Technician should also check for pinched, Open or shorted wires on camera circuits 7641, 7642, and 6799.
• 10112024Jan 24, 2014Body and structure, Interior lighting. 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 DDM and/or PDM on a vehicles not equipped with front door panel courtesy lights.
• 10137781Jan 23, 2014Equipment. This informational bulletin was created to inform that any accessories that are install from the GM factory will be covered under the standard vehicle warranty and dealer installed accessories will be cover for a full year (12months).
• 10112023Jan 23, 2014Fuel system. This Preliminary Information communication provides information to the technician about vehicles that after refueling the fuel gauge will show empty. Technician may find Diagnostic Trouble Code P2636 has set. Technician should be advised that the vehicle is being refueled with the engine running or ignition on.
• 10112018Jan 22, 2014Engine cooling. 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…
• 10112013Jan 22, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone contacts to not have any Emojis loaded to any contact.
• 10112010Jan 21, 2014Seats. This Preliminary Information communication provides information to the technician about vehicles that after installing the GM Accessory Heated Seat Kit, one or more of the following issues may be present the heated seat back and/or bottom turns off after approximately 30 seconds and after turning on the heated seat switch, the indicators remain on, but the seat is not heating. Technician may find Diagnostic Trouble…
• 10112009Jan 21, 2014Electrical 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 MPH at any given speed when looking straight at the needle.
• 10112006Jan 21, 2014Brakes. 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.
• 10112005Jan 21, 2014Electrical system, Engine cooling. 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…
• 10112001Jan 17, 2014Brakes, Suspension. This Preliminary Information communication provides information to the technician about vehicles that have a Service Suspension System message on the Driver Information Center and the rear suspension ride height is incorrect. Technician will find Diagnostic Trouble Code C0696 or C0711 set in Electronic Suspension Control. Technician will need to inspect air compressor assembly for wire damage and repair any damage…
• 10112000Jan 17, 2014Transmission 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.
• 10111997Jan 16, 2014Equipment. 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.
• 10137777Jan 14, 2014Equipment, Electrical system. This Informational bulletin explains the warranty and policy exchange program for electronic devices and products, what can be approved by TAC and where the electronic parts can be returned to.
• 10137776Jan 14, 2014Transmission and drivetrain. This information was created to inform the technician that the 2-3 upshift and the 3-2 downshift clunk is caused by the releasing of the 2-4 band and application of the 3-4 clutch assembly during an upshift. Also during a 3-2 downshift, the releasing of the 3-4 clutch during the application of the 2-4 band, can cause torque reversal down the output shaft creating a clunk. This is a normal condition.
• 10111986Jan 14, 2014Engine 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…
• 10137775Jan 8, 2014Equipment. This warranty administration bulletin provide policy information of the JOB CARD, for a repair on vehicles and what is acceptable - customer authorization; Service manager approvals and transaction authorization; Details of concern, cause and correction; Labor Time; Technician ID and acoutablity of labor time; Proper documentation and retension of warranty parts; Accurate sublet charges and receipts; Add on…
• 10111978Jan 7, 2014Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have an aftermarket, add-on back up alarm will sound when unlocking the doors with the Remote Keyless Entry remote. Technician can correct this concern by turning off the perimeter lighting feature on vehicles with Driver Information Center controls or install an isolation relay in-line to the backup alarm.
• 10111977Jan 7, 2014Engine. This Preliminary Information communication provides information to the technician about vehicles that are setting Diagnostic Trouble Code P0300 after engine repairs. Technician will need to ensure that injector connectors for cylinder 5-7 and 6-8 are not crossed.
• 10111976Jan 6, 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…
• 10137773Jan 2, 2014Equipment. This warranty administration bulletin provides information on GM?s policy for comprehensive courtesy transportation to its customers.
• 10137772Jan 2, 2014Equipment. This warranty administration bulletin provide policy information of the JOB CARD, for a repair on vehicles and what is acceptable - customer authorization; Service manager approvals and transaction authorization; Details of concern, cause and correction; Labor Time; Technician ID and acoutablity of labor time; Proper documentation and retension of warranty parts; Accurate sublet charges and receipts; Add on…
• 10190934Jan 1, 2014Equipment, Body and structure. Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form of corrosion. This corrosion may be red in appearance (rust) if the component is steel, forged iron or cast iron. This corrosion may also be grey or white in color if the…
• 10190933Jan 1, 2014Body and structure, Equipment. Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form of corrosion. This corrosion may be red in appearance (rust) if the component is steel, forged iron or cast iron. This corrosion may also be grey or white in color if the…
• 10133103Dec 16, 2013Back-over prevention (rear camera). This informational bulletin provides directions on submitting different PIRs
• 10133098Dec 13, 2013Equipment. This preliminary information bulletin provides a revision of 13-00-89-004D to include updated information.
• 10133097Dec 13, 2013Equipment. This preliminary bulletin explains physical damage to radios and IPCs must be reviewed and validated if covered under GM warranty or not.
• 10133087Dec 5, 2013Visibility (wipers, defrost, mirrors). This preliminary bulletin explains the marks in the glass are normal when wearing polarized sunglasses and do not replace any glass for this reason.
• 10133086Dec 4, 2013Fuel system, Other or unknown. This informational bulletin provides information on how to save fuel and proper maintenance without using fuel or oil additives.
• 10118889Nov 27, 2013Electrical system. This preliminary bulletin provides information on Service Programming System (SPS) Errors (E4398, E4399, E4403, E4404, E4413, E4414, E4423 or E4491).
• 10112375Nov 26, 2013Equipment. This Preliminary Information communication provides information to the technician that after turning the ignition off and opening the driver's door that they can turn the radio on. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
• 10112368Nov 25, 2013Electrical system, Steering. 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.
• 10118880Nov 19, 2013Equipment. This informational bulletin provides an update for 13-00-89-004C to include updated information.
• 10112356Nov 14, 2013Transmission and drivetrain, Brakes, Electrical system. This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages " Brake Pedal Override Feature ", transmission busy or frequent shifting up or down. Technician will use this preliminary information to find the brake pedal position data parameters…
• 10112348Nov 12, 2013Equipment, Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find DTCs P057C and or P057D. Some vehicles may have cruise and brake light operation service stability message with Diagnostic Trouble Codes C0161 and C0277. Technician will need to inspect connector X205 for loose, backed out, or bent…
• 10118866Nov 11, 2013Equipment. This informational Bulletin provides a revision for 00-06-01-026D to add the 2014 model year.
• 10112346Nov 11, 2013Equipment, Electrical system. This Preliminary Information communication advises the technician about key and theft information for Fleet Vehicles equipped with RPO 6E2 or 6E8 and converting to fleet mode. Technician will need to ensure fleet vehicles with RPO 6E2 or 6E8 should be checked to verify that the Theft Deterrent Module is in fleet mode prior to attempting to add keys.
• 10118862Nov 8, 2013Electrical system, Visibility (wipers, defrost, mirrors). This preliminary bulletin provides a pre-inspection symptom list before preforming any repairs to any of windows for noises or performance.
• 10118859Nov 7, 2013Equipment. This informational bulletin provides a revision for 04-06-04-047K to add the 2014 model year.
• 10118858Nov 7, 2013Equipment. This informational bulletin provides a revision for 04-06-04-047 to add the 2014 model year.
• 10118852Nov 6, 2013Electrical system. This preliminary Informational bulletin provides information on Battery Test Cold Cranking Amperage (CCA) for Original Equipment Batteries and Testing Tips.
• 10118844Nov 4, 2013Equipment. This informational bulletin provides a revision for 09-06-04-015A to add the 2012-2014 model years.
• 10246619Nov 1, 2013Equipment. Car and Truck Fix it Right the First Time Issues
• 10118842Nov 1, 2013Equipment. This informational Bulletin provides a revision for 10-08-110-001 to add the 2012-2014 model years.
• 10112331Nov 1, 2013Engine cooling. This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blow by. Technician will need to inspect the engine for Cylinder damage or scoring, An out of round cylinder bore, Dirt intrusion, and Catalytic Converter failure.
• 10112329Nov 1, 2013Equipment. This Preliminary Information communication provides information to the technician about customers that may complain of various concerns when using Bluetooth components. Technician should use the Preliminary Information to gather information from the customer on their Bluetooth device and the concern they are having before calling General Motors Technical Assistance Center.
• 10054243Nov 1, 2013Body and structure, Visibility (wipers, defrost, mirrors). General motors: the windows, front and rear, would bind, poor fit, misalignment, makes rattle or squeaking noises, moves slowly and is inoperative. Model 2008-2014 vehicles and trucks.
• 10112437Oct 31, 2013Transmission and drivetrain. This Preliminary Information communication provides information to the technician about vehicles that have a random bump, chuggle, or fishbite sensation when crowding the throttle slightly with the Torque Converter Clutch on while cruising at 35-60 miles per hour. Technician should follow all published Service Information diagnostics if the concern is repaired compare to a like vehicle with the same options.
• 10112436Oct 30, 2013Engine, Fuel system. 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…
• 10112433Oct 30, 2013Engine cooling. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on a rough running engine, and/or oil consumption. Technician will find Diagnostic Trouble Code P0300 set. Technician will apply regulated air pressure through the PCV pipe and spray soapy water where the PCV baffle and valve cover meet with soapy water to…

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