2021 GMC Yukon XL Technical Service Bulletins

1,234 technical service bulletins (TSBs) are on record for the 2021 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.

• 10184480Nov 25, 2020Equipment. This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only).
• 10184529Nov 24, 2020Electrical system, Brakes, Equipment. Customer Satisfaction Program (Programming Suspended/Resumed) - Certain vehicles may have a condition in which the brake system control module (BSCM) may set and latch an internal fault in the module?s on-board diagnostics (OBD) buffer. When the fault is present, no malfunction indicator lamp (MIL) is illuminated and there is no driver information center (DIC) message.
• 10184498Nov 24, 2020Equipment, Visibility (wipers, defrost, mirrors). This technical bulletin provides repair information to correct a customer concern of a gurgle or sloshing noise heard coming from the front sunroof drain hose areas.
• 10184484Nov 23, 2020Transmission and drivetrain, Equipment. This technical bulletin provides a procedure to replace the 4 5 6 clutch housing if the bushing was found worn and the cause of the customers concern.
• 10184501Nov 19, 2020Engine, Transmission and drivetrain. This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.
• 10184130Nov 19, 2020Electrical system, Equipment. This Preliminary information communicates and issue with programming a replacement side object detection module and engineering is working on the issue.
• 10184128Nov 19, 2020Transmission and drivetrain, Electrical system, Equipment. This Preliminary information communicates and issues with Fuse F49 blowing causing a SES MIL and a Service Theft Deterrent System message displayed in the DIC. It instructions dealership to inspect the 12 volt power accessory port for shorting out.
• 10184126Nov 18, 2020Equipment. This Preliminary information communicates and issue with customers misunderstanding weather they need to bluetooth pair the factory provided headphones.
• 10184517Nov 17, 2020Air bags. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the airbag lamp illuminated on the driver?s information center (DIC).
• 10184497Nov 17, 2020Electrical system, Engine. This technical bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6.
• 10184123Nov 17, 2020Body and structure. This Preliminary information communicates and issue with the hands free liftgate feature being inoperative after the vehicle has been turned off for an extended time. Dealers are to reprogram the BCM to correct this concern.
• 10184500Nov 16, 2020Fuel system, Engine cooling. This Informational Bulletin provides information on availability of Diesel Fuel additives.
• 10184488Nov 13, 2020Equipment, Electrical system. This service bulletin provides repair information to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated with DTCs U1961, U1983 setting.
• 10184108Nov 13, 2020Electrical system, Seats, Body and structure. This Preliminary information communicates and issue where the drivers memory seat will not move to its full travel and dealers are to perform a SPS setup procedure to the K40D Drivers Seat Adjuster Memory Module.
• 10184107Nov 13, 2020Electrical system, Equipment. This Preliminary information communicates and issue with a either a Service Leveling or Service Headlight message displayed on the DIC. When checking for DTC's a U0132 for Lost Communication with K5 Automatic Level Control Module (ALCM) may be set in several modules. When trying to communicate with the Automatic Level Control Module there will be no communication. Engineering is working on a fix.
• 10184499Nov 12, 2020Equipment, Wheels. This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels.
• 10184105Nov 11, 2020Wheels, Tires. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
• 10184504Nov 6, 2020Visibility (wipers, defrost, mirrors). This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.
• 10184503Nov 6, 2020Body and structure, Equipment. Thins informational bulletin provides information on Paint-less Dent Repair Process.
• 10184515Nov 5, 2020Electrical system, Body and structure. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the power liftgate inoperative.
• 10184513Nov 5, 2020Electrical system, Equipment. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards one or more camera views showing, intermittent behavior and/or totally inoperative.
• 10184100Nov 5, 2020Equipment, Electrical system. This Preliminary information communicates there is a Part Restriction for the Automatic Leveling Control Module and to contact the PQC to order the part.
• 10184098Nov 5, 2020Equipment. This Preliminary information communicates a condition where the radio may display a :connection not availale, please call OnStar agent". This bulletin advises that Engineering is working on a software solution that will prevent the message from displaying when listening to non-SXM sources, but still allow the message to display when a loss of connectivity exists and the user is attempting to play Sirius XM.
• 10182583Oct 29, 2020Body and structure, Electrical system. This Preliminary information communicates an issue with the power liftgate inoperative and engineering working on the issue.
• 10182582Oct 29, 2020Engine cooling, Electrical system. This Preliminary information communicates an issues with an SES MIL and DTC P2B87 setting. Engineering is working on releasing updated BCM cals to correct the concern.
• 10183800Oct 28, 2020Body and structure. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to paint concerns with the front and/or rear fascias.
• 10183132Oct 28, 2020Equipment, Engine cooling. This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.
• 10183198Oct 27, 2020Electrical system. This service bulletin provides information and a service procedure for dealers/technicians on OnStar Over the Air Update for TTY / TDD Operation and Continuous Improvement Changes.
• 10182575Oct 27, 2020Electrical system. This Preliminary information communicates an issue with a low or dead battery issue cause by the rear hvac door being jammed by an foreign object.
• 10182572Oct 27, 2020Air bags. This Preliminary information communicates an issue with the SIR MIL turning on and DTC B14DC setting caused by high resistance at the F106DA Driver's front seat inboard air bag connector. Dealers are to replace the F106DA Driver's front seat inboard air bag connector pigtail.
• 10183782Oct 23, 2020Transmission and drivetrain, Electrical system, Equipment. 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.
• 10183153Oct 23, 2020Engine cooling, Fuel system. This service bulletin provides information to correct a customer concern of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated.
• 10183126Oct 23, 2020Engine. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
• 10207736Oct 22, 2020Brakes. Customer Satisfaction Program. Reprogramming resumed message.
• 10182568Oct 22, 2020Seats. This Preliminary information communicates an issue with the SIR MIL turning on and DTC B14DC setting caused by high resistance at the F106DA Driver's front seat inboard air bag connector. Dealers are to replace the F106DA Driver's front seat inboard air bag connector pigtail.
• 10207735Oct 21, 2020Brakes. Customer Satisfaction Program. Reprogramming suspended message.
• 10183779Oct 21, 2020Fuel system. This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
• 10183226Oct 20, 2020Equipment, Brakes. Customer Satisfaction Program - Certain vehicles may have a condition in which the brake system control module (BSCM) may set and latch an internal fault in the module?s on-board diagnostics (OBD) buffer. When the fault is present, no malfunction indicator lamp (MIL) is illuminated and there is no driver information center (DIC) message.
• 10182561Oct 20, 2020Electrical system. This Preliminary information communicates an issue with the 110 volt power outlets turning off during an Auto Stop event, which is normal operation.
• 10183797Oct 19, 2020Electrical system. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards one or more camera views showing, intermittent behavior and/or totally inoperative.
• 10182558Oct 19, 2020Equipment. This Preliminary information communicates how to enable the power retractable assist steps during PDI.
• 10182557Oct 19, 2020Air bags. This Preliminary information communicates an issue with the SIR MIL turning on and DTC B14DC setting caused by high resistance at the F106DA Driver's front seat inboard air bag connector. Dealers are to replace the F106DA Driver's front seat inboard air bag connector pigtail.
• 10183191Oct 16, 2020Equipment. This service bulletin provides information for dealers/technicians on Normal Characteristic - Wireless Phone Projection Audio Cuts Out Every 10 Seconds on New/Unsold Vehicles.
• 10182553Oct 14, 2020Seats. This Preliminary information communicates an issue with the 3rd Row Seat Headrest not returning to the upright position after cycling the seat and to install a headrest repair kit.
• 10182550Oct 12, 2020Electrical system. This Preliminary information communicates there is a Part Restriction for the Automatic Leveling Control Module and to contact the PQC to order the part.
• 10183780Oct 9, 2020Equipment. This warranty administration bulletin provides information on Warranty Administration - Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
• 10182541Oct 8, 2020Equipment. This Preliminary information communicates an issue with the 110 volt power outlets not resetting if overloaded and causing the customer to take the vehicle to the dealership to have it reset. Engineering is working on a new cal.
• 10183203Oct 7, 2020Engine cooling, Electrical system. This technical bulletin provides a procedure to program the ECM if found the cause of the customers concern.
• 10182540Oct 7, 2020Forward collision avoidance. This Preliminary information communicates a "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 the FAB has been set to "Alert".
• 10182539Oct 7, 2020Equipment. This Preliminary information communicates and issue with customers misunderstanding weather they need to bluetooth pair the factory provided headphones.

← All problems reported for the 2021 GMC Yukon XL