2014 GMC Yukon XL Technical Service Bulletins

1,524 technical service bulletins (TSBs) are on record for the 2014 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.

• 10113653May 15, 2015Exterior lighting. This technical bulletin provides repair information for low beam headlamp bulb diagnosis/replacement to correct a customer concern that the low beam headlamp is inoperative.
• 10113652May 15, 2015Equipment. This informational bulletin provides information on a GM of Canada OnStar® cellular communication upgrade.
• 10114511May 1, 2015Suspension. This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related to damaged suspension components. Before any in-depth diagnostics are performed, be aware that various issues could occur if the vehicle has been modified and inform the customer…
• 10113620Apr 28, 2015Equipment. This preliminary informational bulletin provides repair information to correct a customer concern of Iitermittently key will not rotate in door or ignition lock cylinder.
• 10113614Apr 27, 2015Equipment. This informational bulletin provides information to assist dealership personnel with the identification of vehicle headlamp, tail lamp, license lamp or fog/driving lamp damage that are not considered warrantable.
• 10113613Apr 27, 2015Equipment. This informational bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and what is considered seepage.
• 10114474Apr 20, 2015Equipment. This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Technician should insure the customer is using an original equipment manufacturer Apple USB cable.
• 10113603Apr 20, 2015Electrical system. This preliminary informational bulletin provides inspection and repair information to correct a customer concern of XM/Cellular Mobile Phone/OnStar Antenna looseness or damage, XM/Cellular/OnStar reception performance degraded, rattle/flutter/squeak noise, wind noise/whistle at highway speeds, water leak on headliner at sunvisor.
• 10114470Apr 17, 2015Electrical system, Equipment. This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Technical Assistance Center with the scan tool data from the OnStar system.
• 10114459Apr 13, 2015Engine cooling. This Preliminary Information communication advises the technician about the calculation and operation of the engine oil life monitor. The monitor calculates the percent of oil life remaining, based on 3 pathways. The first pathway for oil life calculation is engine revolutions. The second pathway for oil life calculation is the mileage form the last rest for all General Motors powertrains except the Volt. The third…
• 10114457Apr 10, 2015Equipment. This Preliminary Information communication provides information to the technician about vehicles that may have Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Codes P0089, P127C, P127D, P0192, P0193, P228C, P228D, and P006C. Technician should follow published Service Information diagnostics for the Diagnostic Trouble Codes that are stored. If Service Information does not lead…
• 10114456Apr 10, 2015Fuel system. This Preliminary Information communication provides information to the technician about vehicles that may have low oil pressure message. Technician may also find a Diagnostic Trouble Code P0521 in the Engine Control Module. Technician should follow all published Service Information diagnosis.
• 10135418Mar 31, 2015Electrical system. This informational bulletin adds the 2014 and 2015 model years to information of a language change for OnStar System (U.S. and Canada only).
• 10113785Mar 31, 2015Equipment. This informational bulletin adds the 2014 and 2015 model years to information of a language change for OnStar System (U.S. and Canada only).
• 10139391Mar 30, 2015Engine cooling. This Preliminary Information communication provides information to the technician about vehicles with a Service Engine Soon Malfunction Indicator Lamp on and a misfire or a tick noise. Technician may find a Diagnostic Trouble Code P0300 set. If Service Information diagnosis does not isolate the cause of this concern inspect the valve operation.
• 10135412Mar 26, 2015Equipment. This informational bulletin provides information on the Product Quality Center (PQC) assembly replacement process for Service Agents not required to contact PQC prior to assembly replacement.
• 10113775Mar 26, 2015Equipment. This informational bulletin provides information on the Product Quality Center (PQC) assembly replacement process for Service Agents not required to contact PQC prior to assembly replacement.
• 10113773Mar 26, 2015Equipment. The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
• 10135410Mar 24, 2015Brakes. This informational bulletin provides technicians with a brake lathe calibration procedure.
• 10113770Mar 24, 2015Brakes. This informational bulletin provides technicians with a brake lathe calibration procedure.
• 10139361Mar 23, 2015Equipment. This Preliminary Information communication provides information to the technician about vehicle that may OnStar inoperative and Navigation/GPS/Compass issues. Technician may find Diagnostic Trouble Codes B101D sym 3C and or F0. Technician will gather data using a scan tool and contact General Motors Technical Assistance Center for further assistance. After approval technician will replace the OnStar module.
• 10135395Mar 16, 2015Equipment. This preliminary informational bulletin provides technicians with diagnostic tips for a customer concern of odor emanating from HVAC system.
• 10135394Mar 16, 2015Electrical system. This informational bulletin communicates GM wiring repair strategy information.
• 10113753Mar 16, 2015Equipment. This preliminary informational bulletin provides technicians with diagnostic tips for a customer concern of odor emanating from HVAC system.
• 10113752Mar 16, 2015Electrical system. This informational bulletin communicates GM wiring repair strategy information.
• 10135384Mar 10, 2015Equipment. This warranty administration bulletin provides retail and wholesale service personnel with the policies and the warranty claims submission procedures that support Labor Operation 0600014 ? Suspected Tampering or Vehicle Modifications.
• 10113745Mar 10, 2015Equipment. This warranty administration bulletin communicates GM required operating procedures (U.S. only) for service operations.
• 10113741Mar 10, 2015Equipment. This warranty administration bulletin provides retail and wholesale service personnel with the policies and the warranty claims submission procedures that support Labor Operation 0600014 - Suspected Tampering or Vehicle Modifications.
• 10139331Mar 9, 2015Seats. This Preliminary Information communication provides information to the technician about vehicle that may have a front driver's or passenger's seat back may appear to lean or to be turned outward. Technician should replace the seat back frame assembly. Technician should insure the bolts are torqued to 55 pounds per foot.
• 10135383Mar 9, 2015Equipment. This informational bulletin provides dealership personnel information on unscheduled supplemental services (including flushing services and additives) and proper use of GM simplified maintenance schedules (Canada only).
• 10113740Mar 9, 2015Equipment. This informational bulletin provides dealership personnel information on unscheduled supplemental services (including flushing services and additives) and proper use of GM simplified maintenance schedules (Canada only).
• 10135381Mar 6, 2015Engine cooling. This informational bulletin provides technicians with diagnostic tips for preventing oil leaks after changing oil and filter.
• 10113738Mar 6, 2015Engine cooling. This informational bulletin provides technicians with diagnostic tips for preventing oil leaks after changing oil and filter.
• 10135378Mar 4, 2015Electrical system. This informational bulletin provides information for installing a diode to solenoid/relay to suppress voltage spikes in conjuction with installation of electrical aftermarket accessories-battery, ignition and ground feeds-(do not splice into wiring harness).
• 10135377Mar 4, 2015Equipment. This informational bulletin provides information on the PQC assembly replacement process - for dealers required to contact PQC prior to replacing an assembly (U.S. and Canada only).
• 10113732Mar 4, 2015Electrical system. This informational bulletin provides information for installing a diode to solenoid/relay to suppress voltage spikes in conjuction with installation of electrical aftermarket accessories-battery, ignition and ground feeds-(do not splice into wiring harness).
• 10113731Mar 4, 2015Equipment. This informational bulletin provides information on the PQC assembly replacement process - for dealers required to contact PQC prior to replacing an assembly (U.S. and Canada only).
• 10139309Mar 3, 2015Engine, Fuel system. This Preliminary Information communication provides information to the technician about vehicles with a Service Engine Soon Malfunction Indicator Lamp on and a misfire or a tick noise. Technician may find a Diagnostic Trouble Code P0300 set. If Service Information diagnosis does not isolate the cause of this concern inspect the valve operation.
• 10135371Mar 3, 2015Equipment, Electrical system. This informational bulletin provides information for fleet vehicles which details the proper configurations for the ignition key, fob, key tags and key rings.
• 10113727Mar 3, 2015Transmission and drivetrain. This preliminary informational bulletin provides technicians with information on the normal condition of white, milky or cloudy appearance of front differential fluid.
• 10113724Mar 3, 2015Electrical system. This informational bulletin provides information for fleet vehicles which details the proper configurations for the ignition key, fob, key tags and key rings.
• 10139306Mar 2, 2015Equipment, Electrical system. This Preliminary Information communication provides information to the technician about the Media Oriented Systems Transport Bus Diagnostic Tool Kit (EL-51578) has been released to help diagnose any of the Media Oriented Systems Transport bus concerns. The kit contains header connectors that are installed to bypass Media Oriented Systems Transport bus modules. The bypass connector also contains a terminal for…
• 10135368Mar 2, 2015Suspension. This preliminary informational bulletin provides technicians a recommendation for when they are performing a front end alignment and find an alignment dowel pin missing .
• 10113721Mar 2, 2015Suspension. This preliminary informational bulletin provides technicians a recommendation for when they are performing a front end alignment and find an alignment dowel pin missing .
• 10113720Mar 2, 2015Equipment. This informational bulletin provides information on a GM of Canada OnStar® cellular communication upgrade.
• 10113573Feb 27, 2015Electrical system, Equipment. This informational bulletin provides information on dealer reimbursement procedures for Customer Assistance Center (CAC) Tier 1 and Tier 2 empowerment tools: diagnostic fee, short term rental, and up-front towing (U.S. only).
• 10114435Feb 24, 2015Equipment. This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on, a tick noise, and engine misfire. Technician may find diagnostic trouble code P0300 stored. If published Service Information diagnostics do not lead to a repair gain access to the valves for inspection.
• 10113571Feb 24, 2015Electrical system. This informational bulletin communicates Information to technicians on control module Diagnostic Trouble Code(s) (DTC)(s) P0601, P0602, P0603, P0604, P0606, P062F, P06F3, P1621 which can be shared in multiple modules.
• 10114430Feb 20, 2015Engine. 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…
• 10113566Feb 20, 2015Fuel system. This informational bulletin provides information for maintenance cleaning of the fuel injectors.

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