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.

• 10220308Sep 1, 2022Equipment. This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations.
• 10219389Aug 30, 2022Equipment. This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs (North America ONLY).
• 10219284Aug 25, 2022Equipment. This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
• 10219362Aug 24, 2022Equipment. This service bulletin provides information on Terms and Conditions/Privacy Statement App (TCPS App) Guide for infotainment systems in a default factory demo mode.
• 10219291Aug 23, 2022Transmission 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.
• 10219278Aug 22, 2022Equipment. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
• 10219266Aug 15, 2022Engine cooling. This bulletin provides information on tools available to find an intake vacuum leak or exhaust leak to correct a condition of MIL Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set.
• 10218891Aug 12, 2022Engine cooling. This bulletin provides diagnostic information when checking the exhaust system for leaks.
• 10218873Aug 10, 2022Fuel system, Engine cooling. This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
• 10218885Aug 8, 2022Body and structure. This informational bulletin provides information for dealers/technicians on visible gap at hem flange where front door skin wraps around and meets door shell.
• 10217930Aug 4, 2022Body and structure. This engineering information (EI) closure ends the need for further information from the field in regards to having assist step insert loose, falling off and/or warped.
• 10217857Aug 2, 2022Equipment. This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software issues.
• 10217923Aug 1, 2022Engine cooling, Fuel system. This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset.
• 10217856Aug 1, 2022Electrical system, Engine cooling. This technical bulletin provides a procedure to replace the fuel injector and the wiring harness to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated with DTC P0201, P0202, P0203, P0204, P0205, P0206 and/or P0216 Set.
• 10217793Jul 29, 2022Transmission and drivetrain. This Preliminary information communicates to the dealer technician that if a customer comments that their vehicle equipped with a 6L80, 6L90, 8L90, 10L80, or 10L1000 transmission has a harsh shift, shudder, stall or high transmission fluid temperature concern they should inspect for a twisted transmission cooler line. Technicians are instructed to disconnect the cooler line and untwist it then reconnect the cooler…
• 10217117Jul 26, 2022Equipment. This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software issues.
• 10217043Jul 22, 2022Equipment. This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).
• 10217779Jul 21, 2022Engine cooling. This Preliminary information communicates information on correcting a rattle noise from the underbody exhaust heat shield.
• 10217069Jul 21, 2022Engine cooling. This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.
• 10217067Jul 21, 2022Transmission and drivetrain, Fuel system, Engine cooling. 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.
• 10217060Jul 20, 2022Equipment. This service bulletin provides a repair procedure to correct a customer concern of a No Fob detected message on Driver Information Center (DIC) and/or No Crank / No Start condition.
• 10217048Jul 18, 2022Equipment. This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
• 10216049Jul 11, 2022Engine cooling. This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
• 10217764Jul 5, 2022Equipment, Brakes, Electrical system. This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC.
• 10217762Jul 1, 2022Tires, Equipment. This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer should communicate to the customer that slight sidewall indentations are a common characteristic of radial tire construction.
• 10215648Jun 30, 2022Electrical system, Engine cooling. This technical bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp Illuminated with DTC P06DD, P2B60, P26BB, P1098 Set.
• 10216377Jun 29, 2022Engine cooling. This Preliminary information communicates information on correcting a rattle noise from the underbody exhaust heat shield
• 10215658Jun 29, 2022Engine cooling. This engineering information (EI) closure ends the need for further information regarding oil leaking from the lower oil pan seal area.
• 10215655Jun 28, 2022Equipment. This warranty admin bulletin covers information on Essential Tools that include Consumable Parts.
• 10215643Jun 27, 2022Equipment, Engine cooling, Visibility (wipers, defrost, mirrors). This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.
• 10215633Jun 24, 2022Equipment. This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software issues.
• 10215628Jun 24, 2022Equipment. This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements.
• 10215627Jun 24, 2022Equipment. This service bulletin provides service information/procedures on continuous improvement Radio Software Version V158 Update to address customer comments on software related issues.
• 10215629Jun 23, 2022Engine cooling, Electrical system. This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.
• 10216373Jun 22, 2022Equipment. This Preliminary information communicates information on vehicle speed being limited due to aftermarket lower kit being installed on the vehicle.
• 10216372Jun 22, 2022Visibility (wipers, defrost, mirrors). This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
• 10215642Jun 21, 2022Body and structure. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to having assist step insert loose, falling off and/or warped.
• 10215626Jun 21, 2022Equipment. This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen.
• 10215632Jun 20, 2022Forward collision avoidance. This service bulletin provides repair information to correct a customer concern of Automatic Emergency Braking (AEB) Forward Collision Icon Lamp On with No DTCs Present.
• 10216369Jun 17, 2022Brakes. This Preliminary information communicates the location of the GM Accessory Performance Brake System Rotor Specifications
• 10216366Jun 16, 2022Engine. This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. This is normal operation of the vehicle built with regular production code BTM and without Regular Production Option Code AVF. If the vehicle was built with regular production code BTM and AVF only has a 1 hour idle time.
• 10216364Jun 15, 2022Transmission and drivetrain, Fuel system. This Preliminary information communicates to the dealer technician that if a customer comments that their vehicle equipped with a 6L80, 6L90, 8L90, 10L80, or 10L1000 transmission has a harsh shift, shudder, stall or high transmission fluid temperature concern they should inspect for a twisted transmission cooler line. Technicians are instructed to disconnect the cooler line and untwist it then reconnect the cooler…
• 10216363Jun 15, 2022Back-over prevention (rear camera). This Preliminary information communicates a condtion where SD card removed is being displayed on the radio display intermittently. ThisPI advises that engineering is working on a fix for this issue
• 10214874Jun 15, 2022Engine cooling. This technical bulletin provides a procedure to replace the fuel injector and the wiring harness to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated with DTC P0201, P0202, P0203, P0204, P0205, P0206 and/or P0216 Set.
• 10214869Jun 15, 2022Engine cooling. This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
• 10214872Jun 14, 2022Engine cooling. This technical bulletin advises to replace the camshaft cover if found within the Julian date and the cause of a customer concern of possible oil consumption with or without DTC P06DD.
• 10214860Jun 14, 2022Electrical system. This informational bulletin advises the technician to check for faults that may be caused by the trailer other wise found by a possible faulty trailer connector.
• 10216361Jun 13, 2022Visibility (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.
• 10215622Jun 13, 2022Equipment. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on the rear washer hose being disconnected.
• 10214502Jun 9, 2022Engine cooling, Electrical system. This informational bulletin provides information for dealers/technicians on Aero Shutter Related Diagnostic Codes.

← All problems reported for the 2021 GMC Yukon