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.

• 10209921Mar 22, 2022Engine cooling. This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
• 10209907Mar 22, 2022Electrical system. This technical bulletin provides repair information to correct a customer concern of Short Range Radar (SRR) with DTC U3000 49 Set.
• 10209747Mar 22, 2022Equipment. This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
• 10209734Mar 22, 2022Fuel system, Equipment. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
• 10209923Mar 21, 2022Engine 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.
• 10209511Mar 15, 2022Electrical system, Forward collision avoidance. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Forward Collision Icon Message Illuminated on Driver Information Center (DIC) and/or No DTCs Set.
• 10209466Mar 15, 2022Body and structure. This technical bulletin provides a procedure to install foam on window motors to prevent them from rubbing on the panels causing a noise.
• 10210321Mar 7, 2022Tires, Wheels. 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.
• 10209120Mar 3, 2022Transmission and drivetrain. This technical bulletin provides a procedure to seal the exhaust at the UFSCR and Tailpipe flange.
• 10208900Mar 3, 2022Electrical system. This service bulletin provides repair information to correct a customer concern of DTC B1038.64 set in the BCM and Door Ajar Message on Driver Information Center (DIC).
• 10209135Mar 2, 2022Electrical system, Exterior lighting. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Driver Headlamp Stays On When Vehicle is Shut Off, Headlamp will Change in Color, Turn Signal Flickers and/or Stays On, GMC Logo Does Not Illuminate.
• 10209134Mar 2, 2022Electrical system. This Engineering Information (EI) Closure ends the need for further information from the field regarding No Heat from Driver Side Inboard Dash Duct and/or Weak Heat On Driver Side.
• 10209122Mar 2, 2022Engine cooling. Information bulletin explains a possible coolant leak coming from the cylinder head bolt areas.
• 10209118Mar 1, 2022Other or unknown. 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.
• 10215779Feb 28, 2022Steering, Other or unknown. Engineering Information.
• 10214226Feb 28, 2022Electrical system. This technical bulletin provides a procedure to update the EOCM if found the cause of the customers concern.
• 10208991Feb 24, 2022Electrical system. This Preliminary information communicates a process to correct the concern of Unable to contact OnStar after the 3G EOL on 2015-2022 model year vehicles in the United States.
• 10208978Feb 9, 2022Transmission and drivetrain. This Preliminary information communicates that engineering is investigating a repair for a chirp noise associated with the front axle assembly.
• 10214223Feb 4, 2022Equipment. This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
• 10208971Feb 3, 2022Tires, Wheels. 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.
• 10215776Feb 1, 2022Other or unknown. Engineering Information.
• 10215770Feb 1, 2022Other or unknown. Information.
• 10215769Feb 1, 2022Other or unknown. Information.
• 10215768Feb 1, 2022Electrical system, Body and structure. Check Engine MIL Illuminated in DIC Set by Body Control Module with DTC P0607
• 10214239Feb 1, 2022Transmission and drivetrain. This Informational bulletin advises the technician of a possible oil leak at the front cover and how to diagnose it to verify if it is coming from the seal or not.
• 10214225Feb 1, 2022Engine cooling. This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing.
• 10208070Jan 31, 2022Transmission and drivetrain. This Preliminary information communicates that engineering is investigating a repair for a chirp noise associated with the front axle assembly.
• 10214206Jan 28, 2022Engine cooling, Equipment. This technical bulletin provides a procedure to seal the exhaust at the UFSCR and Tailpipe flange.
• 10213778Jan 28, 2022Transmission and drivetrain, Equipment, Seat belts. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Power Floor Console Armrest will not lock in place and/or the console lid slides back and forth freely.
• 10213775Jan 28, 2022Air bags. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Check Engine Lamp illuminated on Driver Information Center (DIC) and DTC P0607 Set in BCM to determine root cause.
• 10213766Jan 28, 2022Equipment. This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.
• 10213762Jan 28, 2022Equipment. This service bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).
• 10212633Jan 28, 2022Equipment. This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only).
• 10212631Jan 28, 2022Engine 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.
• 10213774Jan 27, 2022Back-over prevention (rear camera). This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Rattle Type Noise Heard Coming from Rear Liftgate.
• 10213768Jan 27, 2022Equipment, Body and structure. This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center.
• 10213765Jan 27, 2022Fuel system, Other or unknown. This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
• 10213761Jan 27, 2022Back-over prevention (rear camera). This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
• 10212603Jan 27, 2022Brakes. This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
• 10214216Jan 25, 2022Wheels, Brakes. 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.
• 10214199Jan 24, 2022Equipment, Engine cooling. This informational bulletin provides a way for the technician to identify if the ECM has been modified.
• 10213777Jan 24, 2022Engine cooling, Transmission and drivetrain. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Engine Coolant Reservoir Being Overfilled with Discolored Coolant, Shudder, Shake, Vibration, Harsh Shift, Delayed Shift and/or Slipping Transmission Performance.
• 10212632Jan 24, 2022Transmission and drivetrain, Electrical system. This technical bulletin provides repair information to correct a customer concern of Transmission Control Module Offline Event.
• 10208053Jan 24, 2022Electronic stability control. This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.
• 10208051Jan 24, 2022Electrical system, Body and structure. This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon.
• 10214220Jan 21, 2022Seats. This technical bulletin provides repair information to correct a customer concern of the 60% rear seat will not fold down.
• 10212607Jan 19, 2022Fuel system, Exterior lighting. This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel in cold temperatures.
• 10212628Jan 18, 2022Electrical system. This service bulletin provides information for dealers/technicians on Stone Chip/Membrane Damage, Broken Connector and/or Sensor Retaining Tabs, and/or Paint Damage of Park Assist Sensors.
• 10212605Jan 18, 2022Engine. 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.
• 10208034Jan 18, 2022Other or unknown. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.

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