2021 GMC Yukon Technical Service Bulletins

1,240 technical service bulletins (TSBs) are on record for the 2021 GMC Yukon. 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.

• 10249288Dec 13, 2023Equipment. This Preliminary information communicates the possibility of their IP speaker(s) either blown or inoperative.
• 10249286Dec 13, 2023Equipment. This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the latest ISO update on Apple 15 phones.
• 10247552Dec 12, 2023Equipment. This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
• 10247542Dec 11, 2023Seats. This technical bulletin provides a procedure to correct the condition of Second Row Seat Loose and/or Clicking.
• 10249281Dec 8, 2023Equipment. This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the lastest ISO update on Apple 15 phones.
• 10247192Dec 8, 2023Electrical system, Engine cooling, Equipment. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
• 10249270Dec 6, 2023Equipment. This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the lastest ISO update on Apple 15 phones.
• 10249267Dec 5, 2023Electrical system. This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how the dealership can resolve the issue.
• 10246485Nov 30, 2023Equipment, Electrical system. This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with Vehicle Intelligence Platform (VIP).
• 10245559Nov 16, 2023Equipment, Electrical system, Engine cooling, Exterior lighting. This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
• 10246289Nov 15, 2023Equipment, Electrical system. This service bulletin provides information for dealers/technicians on History DTCs To Ignore / NO SES / NO Malfunction Indicator Lamps / NO Warning Messages.
• 10247352Nov 14, 2023Suspension. This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center.
• 10245409Nov 8, 2023Equipment, Transmission and drivetrain. This service bulletin provides a procedure to replace the front wheel drive shaft to correct a customer concern of a Squeak/Chirp Noise from Front Axle in 2wd.
• 10247348Nov 7, 2023Equipment. This PI states that a vehicle may exhibit a concern of the cross traffic alert indicators not displaying on the radio screen. While this is a customer dissatisfier, it does not pose a safety concern due to the fact that the customer will still be alerted to an approaching vehicle by the seat vibration. Dealers are advised that engineering is working on a resolution and it will be available by the end of 2023.
• 10245395Nov 6, 2023Transmission and drivetrain, Wheels, Steering, Suspension, Engine cooling. This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.
• 10247344Nov 3, 2023Transmission and drivetrain. This Preliminary information communicates to the dealer, a potential rough running condition following an autostop event that is caused by the incorrect crankshaft position sensor.
• 10245250Oct 30, 2023Wheels. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
• 10245240Oct 27, 2023Engine cooling. This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
• 10245248Oct 25, 2023Electrical system, Equipment. This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present on network communication circuits.
• 10245244Oct 24, 2023Electrical system, Equipment, Steering, Transmission and drivetrain. This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, Engagement/Disengagement/Ratcheting Concerns.
• 10245200Oct 17, 2023Transmission and drivetrain, Equipment. This information bulletin advises the technician the difference between a welch cap leak and the output seal of the t-case or transmission leaking ATF, causing the customer concern of a Red Fluid Leak from Center of Vehicle Located by Rear of Transmission or Transfer Case Area.
• 10245239Oct 16, 2023Equipment, Transmission and drivetrain. This engineering information (EI) closure ends the need for gathering further information from technicians in regard to a binding, moan and/or chatter type sound heard from the rear of the vehicle when making slow parking lot maneuvers.
• 10244326Oct 11, 2023Equipment. This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations.
• 10244949Oct 10, 2023Transmission and drivetrain. This service bulletin provides repair information to correct customer concerns of Rear Wheel Lock Up, ABS Event, Loud Bang and a Flashing “D” on Driver Information Center (DIC) when Lightly or Moderately Accelerating Forcing an 8-7 or 8-6 Downshift.
• 10244274Oct 6, 2023Wheels. This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement.
• 10244273Oct 6, 2023Engine cooling. This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
• 10245986Oct 4, 2023Other or unknown. This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
• 10244315Oct 3, 2023Equipment. This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.
• 10244202Sep 28, 2023Tires, Wheels. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
• 10247780Sep 26, 2023Visibility (wipers, defrost, mirrors). This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
• 10247778Sep 26, 2023Electrical system. This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
• 10244205Sep 26, 2023Electrical system, Fuel system, Engine cooling, Equipment. This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset.
• 10244201Sep 26, 2023Equipment. This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only).
• 10244200Sep 26, 2023Equipment. This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only).
• 10244180Sep 22, 2023Engine cooling. This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
• 10244174Sep 21, 2023Equipment. This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).
• 10243982Sep 20, 2023Engine cooling, Transmission and drivetrain. This informational bulletin provides graphs to help identify possible issues that may cause shaking and shudders and what may be the cause of said issue.
• 10247773Sep 12, 2023Electrical system, Visibility (wipers, defrost, mirrors). This Preliminary information communicates a issue where the rear windshield wipers will not be in the park position and will cause the rear back glass not to open with the switch or the RKE fob. This explains how to repair that concern.
• 10243755Sep 11, 2023Equipment. This technical bulletin provides a procedure to correct the condition of Accessory Roof Rack Cross Rail, Luggage Carrier Cross Rail Key Stuck in Lock, Lock Stuck or Inoperable.
• 10242844Sep 8, 2023Engine cooling. This service bulletin explains the difference in oil filters for gas engines with new oil pump control systems and the possibilities of what may happen using the incorrect filter.
• 10242935Sep 7, 2023Engine cooling. This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
• 10247770Sep 6, 2023Electrical system, Visibility (wipers, defrost, mirrors). This Preliminary information communicates an issues with an SES MIL, A/C blowing warm air and DTC's B1AA3 U3018 U3505 due to Fuse F4DR open. Dealers are to inspect the wiring in the front floor console.
• 10243717Sep 5, 2023Equipment. This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).
• 10242936Sep 5, 2023Equipment, Electrical system, Exterior lighting. This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling.
• 10242843Sep 1, 2023Transmission and drivetrain, Engine cooling. The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
• 10242842Sep 1, 2023Equipment. This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
• 10242309Aug 24, 2023Transmission and drivetrain. This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.
• 10242262Aug 24, 2023Engine cooling. This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
• 10242263Aug 22, 2023Electrical system, Transmission and drivetrain. This informational bulletin advises the tech to inspect the transfer case motor electrical connectors for possible damage or corrosion that might be caused by a damage grommet inside the electrical connector.
• 10242306Aug 21, 2023Electronic stability control. This Preliminary information communicates to dealership technicians that if they receive a radio with the 2 stickers as noted above, the radio was remanufactured with missing components and will need to order another radio unit from the ESC to properly repair the vehicle at this time.

← All problems reported for the 2021 GMC Yukon