2018 GMC Yukon XL Technical Service Bulletins

919 technical service bulletins (TSBs) are on record for the 2018 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.

• 10141365May 18, 2018Equipment, Engine cooling. This Preliminary information communicates A vehicle may have a concern of DTCP050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Cause: Coolant getting into the cylinders, and provides direction for the repair.
• 10141351May 11, 2018Forward collision avoidance. This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
• 10141343May 1, 2018Equipment, Electrical system. This Preliminary information communicates that some technicians may find no refrigerant or a low refrigerant charge. Engineering is currently investigating this issue.
• 10137599Apr 27, 2018Equipment. This informational bulletin provides information on Audio Volume Stuck High or Low with No DTCs and that this is a normal characteristic.
• 10137598Apr 26, 2018Electrical system, Equipment. This technical bulletin provides a procedure to replace the HMI module to correct a condition of Radio Control (ICS) Display Does Not Remain Off at Times after it Has Been Turned Off in the Radio Settings Menu due to a software concern.
• 10137595Apr 26, 2018Equipment. This technical bulletin provides a procedure to test the radios receiver if certain XM channels cut out (mutes) depending on location of the vehicle.
• 10137597Apr 25, 2018Fuel system. This Bulletin provides information for rebuilding fuel injectors in the event of an underhood fuel odor and/or extended cranking condition.
• 10137559Apr 25, 2018Equipment. This bulletin provides information on approved warranty part numbers for original equipment batteries.
• 10137556Apr 20, 2018Electrical system. This informational bulletin explains to the dealer how to cover a possible customers mistake when a fuse has been blown.
• 10137589Apr 19, 2018Engine cooling. This informational bulletin provides information for engine oil life monitor operation calculation.
• 10137577Apr 19, 2018Electrical system. This technical bulletin provides a procedure to reprogram the memory set module to correct a condition of Personalization Selections Intermittently Missing from Comfort and Convenience Menu due to a calibration concern.
• 10137570Apr 18, 2018Back-over prevention (rear camera). This Technical bulletin provides information on new software to correct the rear camera display being too bright.
• 10137576Apr 17, 2018Engine cooling, Transmission and drivetrain. This technical bulletin provides a procedure to install an oil cooler line fitting seal, including applying medium strength threadlocker (blue) to the retaining bolt to stop transmission fluid leaking from the transmission oil cooler line retaining bolt passage.
• 10137582Apr 16, 2018Electrical system. This informational bulletin provides information for new software for the TCM to correct a delayed engagement when performing the garage shift.
• 10137562Apr 13, 2018Visibility (wipers, defrost, mirrors). This PI bulletin provides information on Rear and Side Tempered Glass Spots (Quench Marks) and they are normal characteristic.
• 10137558Apr 9, 2018Equipment. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
• 10137554Apr 9, 2018Transmission and drivetrain. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
• 10137560Apr 6, 2018Body and structure. This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
• 10137561Apr 4, 2018Body and structure. This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
• 10137537Apr 4, 2018Equipment. This informational bulletin provides information for use on a Product Assistance Claim (PAC), which is formally known as a Product Allegation Resolution (PAR) claim.
• 10137557Apr 3, 2018Equipment. This informational bulletin provides information to dealership personnel on policies regarding a Product Assistance Claim (PAC) within the Courtesy Transportation Assistance Program.
• 10137383Mar 28, 2018Engine, Transmission and drivetrain. This informational bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.
• 10137381Mar 26, 2018Tires. This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (in Canada, the Base Warranty Coverage). For vehicles within this warranty period, defective tires will be replaced on a pro rata adjustment basis according to the published distance-based schedule.
• 10137380Mar 16, 2018Equipment. This informational bulletin provides information to dealership personnel on properly eliminating unwanted odors in vehicles.
• 10137385Mar 9, 2018Equipment. This informational bulletin was created to inform that any accessories that are installed from the GM factory will be covered under the standard vehicle warranty and dealer installed accessories will be covered for a full year (12 months).
• 10137306Mar 9, 2018Body and structure, Visibility (wipers, defrost, mirrors), Electrical system. This technical bulletin provides a procedure to replace the drivers front door window regulator motor and door wiring harness if water and/or corrosion is found in the connectors.
• 10137301Mar 8, 2018Equipment, Engine. This Bulletin provides graphics, information and guidelines for engine component wear that require repair and not engine replacement.
• 10137382Mar 7, 2018Equipment. This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.
• 10137297Mar 1, 2018Wheels, Brakes. This informational bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
• 10137375Feb 28, 2018Electrical system. This technical bulletin provides a procedure to properly reprogram an onstar module to correct a condition of Red LED, No WiFi Operation, and/or Limited OnStar® Module Functionality After OnStar Module Replacement for Another Condition.
• 10137343Feb 27, 2018Engine. This informational bulletin provides a revision for 09-06-04-015B (Vehicles Sitting Outside on Dealer Lots for Extended Periods with Hard Start/No Start Condition) to add the 2015-2018 model years.
• 10137283Feb 27, 2018Transmission and drivetrain, Engine. This Bulletin provides guidelines for Dealers required to contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns.
• 10137378Feb 26, 2018Electrical system, Equipment. This informational bulletin provides information to the customer on the radio display "info pages" being blank and to make sure to select in the "active info pages" menu.
• 10137287Feb 23, 2018Electrical system, Transmission and drivetrain. This informational bulletin provides information for new software for the TCM to correct a delayed engagement when performing the garage shift.
• 10137344Feb 15, 2018Electrical system, Engine. This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2 9U.S. and Canada
• 10137374Feb 14, 2018Equipment, Electrical system, Body and structure. This technical bulletin provides repair information to correct customer concerns of OnStar, XM, GPS or antenna malfunction ? may set DTC B2462, B2470 or B125C - and/or water leak on headliner at sun visor or overhead console areas, possible battery drain concern.
• 10137322Feb 14, 2018Brakes. This technical bulletin provides a procedure to replace the rear brake rotors to correct a condition of Squeak/Squeal Type Noise Heard at Low Speeds During Brake Apply due to moisture build up on the rotors.
• 10137345Feb 13, 2018Equipment. This warranty administration bulletin provides information on Dealer Empowerment Labor Operations and Customer Enthusiasm.
• 10137349Feb 12, 2018Body and structure. This preliminary informational bulletin adds the 2016 model year and provides technicians with repair information to correct a customer concern of rough, uneven or irregular horizontal seam on liftgate.
• 10129873Feb 8, 2018Fuel system. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have rattle or ticking noise that is louder inside the vehicle than outside. The noise may also sound like a lifter tick. If the noise is heard best at the fuel line and the sound will be real loud with a stethoscope. The fuel line will need to be replaced.
• 10137323Feb 7, 2018Electrical system. This technical bulletin provides a procedure to reprogram the memory set module to correct a condition of Personalization Selections Intermittently Missing from Comfort and Convenience Menu due to a calibration concern.
• 10137321Feb 5, 2018Electrical system, Engine. This Bulletin provides ECM reprogramming information to Correct DTC P2101.
• 10137341Feb 1, 2018Electrical system, Equipment. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
• 10139283Jan 31, 2018Equipment, Electrical system. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
• 10139279Jan 31, 2018Engine cooling. This informational bulletin explains how the catalytic converters may need an inspection, cleaning or replacement if debris have entered the exhaust system.
• 10139282Jan 29, 2018Electrical system. This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
• 10139273Jan 26, 2018Equipment. This technical bulletin provides a procedure to install an A.C line support bracket to help reduce the resonance it produces from the A/C compressor at low speeds.
• 10139272Jan 26, 2018Equipment. This informational bulletin provides information retaining to the fact that Service Manuals will now be available on USB.
• 10137263Jan 26, 2018Visibility (wipers, defrost, mirrors). This technical bulletin provides a procedure to reinstall the rear defroster tab on the rear window defogger for vehicles with the condition of rear defrosters inoperative or if one is to break during a normal repair.
• 10129097Jan 25, 2018Engine. This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is missing needle bearings. Be sure to clean the oil drains to retrieve the needle bearings. Each roller rocker has 66 bearings.

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