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.

• 10187736Dec 22, 2020Engine, Electrical system. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp being illuminated.
• 10187623Dec 22, 2020Equipment. Customer Satisfaction Program - vehicles may have a condition in which the trailering label has zeroedout information on the label. Information such as Gross Combined Weight Rating (GCWR), Conventional Trailering Weight Rating(TWR) and Max Tongue Weight may show a zero instead of the proper amounts. Install the updated label. Because this label can easily be installed by the customer, and to reduce their…
• 10187370Dec 22, 2020Equipment. Customer Satisfaction Program - vehicles may have a condition in which the trailering label has zeroedout information on the label. Information such as Gross Combined Weight Rating (GCWR), Conventional Trailering Weight Rating(TWR) and Max Tongue Weight may show a zero instead of the proper amounts. Install the updated label. Because this label can easily be installed by the customer, and to reduce their…
• 10187218Dec 22, 2020Equipment. Customer Satisfaction Program - vehicles may have a condition in which the trailering label has zeroedout information on the label. Information such as Gross Combined Weight Rating (GCWR), Conventional Trailering Weight Rating(TWR) and Max Tongue Weight may show a zero instead of the proper amounts. Install the updated label. Because this label can easily be installed by the customer, and to reduce their…
• 10186115Dec 22, 2020Electrical system, Engine. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp being illuminated.
• 10186056Dec 22, 2020Equipment. Customer Satisfaction Program - vehicles may have a condition in which the trailering label has zeroedout information on the label. Information such as Gross Combined Weight Rating (GCWR), Conventional Trailering Weight Rating(TWR) and Max Tongue Weight may show a zero instead of the proper amounts. Install the updated label. Because this label can easily be installed by the customer, and to reduce their…
• 10187413Dec 18, 2020Equipment, Engine cooling. This technical bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6.
• 10187196Dec 18, 2020Electrical system. This Preliminary information communicates a cocnern where a flashing spot can intermittently show up on the radio display while in reverse. The PI advises that engineering is investigating the concern.
• 10186086Dec 18, 2020Engine cooling. This technical bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6.
• 10185745Dec 18, 2020Equipment. This Preliminary information communicates a cocnern where a flashing spot can intermittently show up on the radio display while in reverse. The PI advises that engineering is investigating the concern.
• 10187428Dec 17, 2020Equipment. This service bulletin provides information to aid a dealer/customer concern of Radio Unwanted Phantom Touch or Non-Responsive to Touch After Cleaning/Disinfecting Radio Display.
• 10186101Dec 17, 2020Equipment. This service bulletin provides information to aid a dealer/customer concern of Radio Unwanted Phantom Touch or Non-Responsive to Touch After Cleaning/Disinfecting Radio Display.
• 10187625Dec 16, 2020Equipment, Engine cooling. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
• 10187618Dec 16, 2020Engine cooling, Equipment. Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Dealers are to perform the inspection procedure contained within this bulletin.
• 10187387Dec 16, 2020Engine cooling. This technical bulletin provides a service procedure to correct a condition of Ticking Noise from the Engine.
• 10187345Dec 16, 2020Engine cooling. Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Dealers are to perform the inspection procedure contained within this bulletin.
• 10187213Dec 16, 2020Engine, Equipment. Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Dealers are to perform the inspection procedure contained within this bulletin.
• 10186104Dec 16, 2020Engine cooling, Equipment. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
• 10186073Dec 16, 2020Equipment, Engine cooling. This technical bulletin provides a service procedure to correct a condition of Ticking Noise from the Engine.
• 10186051Dec 16, 2020Equipment, Engine cooling. Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Dealers are to perform the inspection procedure contained within this bulletin.
• 10187616Dec 15, 2020Equipment, Electrical system, Air bags, Engine cooling, Seats. Customer Satisfaction Program (Revised Service Procedure and Part Ordering Information). In certain vehicles, driver movement can disrupt the electrical connection to the seat-mounted inboard airbag system. This airbag system is supplemental and not required equipment under applicable Federal Motor Vehicle Safety Standards. If this occurs, the vehicle?s driver information center will display a ?Service Restraints…
• 10187422Dec 15, 2020Fuel system, Engine cooling. This technical bulletin provides a procedure to replace the fuel filter and perform a filter life procedure if found the reason for a failed fuel filter life reset during ECM transfer of data.
• 10187343Dec 15, 2020Air bags. Customer Satisfaction Program (Revised Service Procedure and Part Ordering Information). In certain vehicles, driver movement can disrupt the electrical connection to the seat-mounted inboard airbag system. This airbag system is supplemental and not required equipment under applicable Federal Motor Vehicle Safety Standards. If this occurs, the vehicle?s driver information center will display a ?Service Restraints…
• 10187211Dec 15, 2020Air bags, Electrical system, Equipment, Engine cooling. Customer Satisfaction Program (Revised Service Procedure and Part Ordering Information). In certain vehicles, driver movement can disrupt the electrical connection to the seat-mounted inboard airbag system. This airbag system is supplemental and not required equipment under applicable Federal Motor Vehicle Safety Standards. If this occurs, the vehicle?s driver information center will display a ?Service Restraints…
• 10186095Dec 15, 2020Engine cooling, Equipment, Fuel system. This technical bulletin provides a procedure to replace the fuel filter and perform a filter life procedure if found the reason for a failed fuel filter life reset during ECM transfer of data.
• 10186049Dec 15, 2020Air bags, Electrical system, Equipment. Customer Satisfaction Program (Revised Service Procedure and Part Ordering Information). In certain vehicles, driver movement can disrupt the electrical connection to the seat-mounted inboard airbag system. This airbag system is supplemental and not required equipment under applicable Federal Motor Vehicle Safety Standards. If this occurs, the vehicle?s driver information center will display a ?Service Restraints…
• 10187375Dec 11, 2020Engine cooling. This technical bulletin provides a procedure to measure vibration and install engine mounts to correct a Rough Idle in Drive concern.
• 10186061Dec 11, 2020Equipment, Engine cooling. This technical bulletin provides a procedure to measure vibration and install engine mounts to correct a Rough Idle in Drive concern.
• 10187627Dec 8, 2020Engine cooling, Equipment. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
• 10187414Dec 8, 2020Visibility (wipers, defrost, mirrors), Body and structure. 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.
• 10187168Dec 8, 2020Electrical system. This Preliminary Information communication requests information from the technician about vehicles that may have Bluetooth or phone projection issues. Dealer should request as much information from the customer on the concern as possible and fill in the questionaire.
• 10186106Dec 8, 2020Engine cooling, Equipment. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
• 10186087Dec 8, 2020Visibility (wipers, defrost, mirrors), Equipment. 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.
• 10185717Dec 8, 2020Equipment. This Preliminary Information communication requests information from the technician about vehicles that may have Bluetooth or phone projection issues. Dealer should request as much information from the customer on the concern as possible and fill in the questionaire.
• 10187393Dec 7, 2020Equipment. This informational bulletin provides information for dealers/technicians on the false setting of DTC U0212.
• 10186079Dec 7, 2020Electrical system, Equipment. This informational bulletin provides information for dealers/technicians on the false setting of DTC U0212.
• 10187394Dec 4, 2020Tires. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
• 10186080Dec 4, 2020Tires. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
• 10187614Dec 2, 2020Equipment, Electrical system, Engine cooling, Seats. Customer Satisfaction Program (VINS re-opened, software updated). In certain vehicles, driver movement can disrupt the electrical connection to the seat-mounted inboard airbag system. This airbag system is supplemental and not required equipment under applicable Federal Motor Vehicle Safety Standards. If this occurs, the vehicle?s driver information center will display a ?Service Restraints System?
• 10187613Dec 2, 2020Electrical system, Engine cooling, Air bags, Equipment, Seats. Customer Satisfaction Program (Revised Correction, Service Procedure and Warranty Information). In certain vehicles, driver movement can disrupt the electrical connection to the seat-mounted inboard airbag system. This airbag system is supplemental and not required equipment under applicable Federal Motor Vehicle Safety Standards. If this occurs, the vehicle?s driver information center will display a ?Service…
• 10187341Dec 2, 2020Air bags. Customer Satisfaction Program (Revised Correction, Service Procedure and Warranty Information). In certain vehicles, driver movement can disrupt the electrical connection to the seat-mounted inboard airbag system. This airbag system is supplemental and not required equipment under applicable Federal Motor Vehicle Safety Standards.
• 10187209Dec 2, 2020Engine cooling, Electrical system, Equipment, Air bags. Customer Satisfaction Program (Revised Correction, Service Procedure and Warranty Information). In certain vehicles, driver movement can disrupt the electrical connection to the seat-mounted inboard airbag system. This airbag system is supplemental and not required equipment under applicable Federal Motor Vehicle Safety Standards. If this occurs, the vehicle?s driver information center will display a ?Service…
• 10186047Dec 2, 2020Equipment, Air bags. Customer Satisfaction Program (Revised Correction, Service Procedure and Warranty Information). In certain vehicles, driver movement can disrupt the electrical connection to the seat-mounted inboard airbag system. This airbag system is supplemental and not required equipment under applicable Federal Motor Vehicle Safety Standards. If this occurs, the vehicle?s driver information center will display a ?Service…
• 10187626Dec 1, 2020Equipment. This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only).
• 10187611Dec 1, 2020Seats, Equipment, Electrical system, Air bags. Customer Satisfaction Program. In certain vehicles, driver movement can disrupt the electrical connection to the seat-mounted inboard airbag system. This airbag system is supplemental and not required equipment under applicable Federal Motor Vehicle Safety Standards. If this occurs, the vehicle?s driver information center will display a ?Service Restraints System? message to the driver before resistance at the…
• 10187372Dec 1, 2020Transmission and drivetrain. This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
• 10187339Dec 1, 2020Air bags. Customer Satisfaction Program. In certain vehicles, driver movement can disrupt the electrical connection to the seat-mounted inboard airbag system. This airbag system is supplemental and not required equipment under applicable Federal Motor Vehicle Safety Standards. If this occurs, the vehicle?s driver information center will display a ?Service Restraints System? message to the driver before resistance at the…
• 10187207Dec 1, 2020Electrical system, Equipment, Engine cooling, Air bags. Customer Satisfaction Program. In certain vehicles, driver movement can disrupt the electrical connection to the seat-mounted inboard airbag system. This airbag system is supplemental and not required equipment under applicable Federal Motor Vehicle Safety Standards. If this occurs, the vehicle?s driver information center will display a ?Service Restraints System? message to the driver before resistance at the…
• 10186105Dec 1, 2020Equipment. This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only).
• 10186058Dec 1, 2020Transmission and drivetrain, Electrical system. This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.

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