2021 GMC Yukon Service and Repair Manual
2021 GMC Yukon service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.
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General Motors, LLC (GM) is recalling certain 2021 Chevrolet Tahoe and GMC Yukon vehicles. Dealer service technicians may have calibrated the brake system incorrectly, affecting Electronic Stability
Overall braking performance may be compromised, increasing the risk of a crash.
Dealers will recalibrate the brake system control module, free of charge. Owner notification letter
General Motors, LLC (GM) is recalling certain 2021 GMC Yukon, Yukon XL, Cadillac Escalade, Escalade ESV, Chevrolet Suburban, and Chevrolet Tahoe vehicles. The rear wheel driveshaft assemblies may hav
Driveshaft failure can cause a sudden loss of drive power, increasing the risk of a crash.
Dealers will replace the left and/or right rear driveshaft assemblies, free of charge. Owner notifi
General Motors, LLC (GM) is recalling certain 2020 Chevrolet Bolt EV and 2021 GMC Canyon and Sierra 1500, 2500 and 3500, Yukon, Yukon XL, Cadillac Escalade and Escalade ESV and Chevrolet Blazer, Camar
If a seat belt assembly is not properly attached to the vehicle, the seat belt may not properly rest
GM will notify owners, and dealers will replace the suspect bolts, free of charge. The recall began
General Motors, LLC (GM) is recalling certain 2021 Cadillac Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, GMC Yukon, and Yukon XL vehicles. The fuel pump power control module may cause the fuel
An engine stall increases the risk of a crash.
Dealers will replace the fuel pump power control module, free of charge. Owner notification letters
General Motors, LLC (GM) is recalling certain 2021 Cadillac Escalade, Escalade ESV, GMC Yukon, Yukon XL, Chevrolet Suburban, and Tahoe vehicles with third-row seating. The third-row outboard seat bel
A damaged seat belt can break during a crash, increasing the risk of injury to the occupant.
GM will notify owners, and dealers will inspect the third-row outboard seat belts, replacing any dam
General Motors, LLC (M) is recalling certain 2021-2022 Cadillac Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, GMC Yukon, and Yukon XL vehicles equipped with third-row seats. The rivet that retai
A seat belt with a deformed rivet may not properly restrain an occupant, increasing the risk of inju
Dealers will inspect the rivet head formation on both the left and right side third-row seat belt bu
General Motors, LLC (GM) is recalling certain 2021 Chevrolet Tahoe and GMC Yukon vehicles. The fuel tank assemblies may be missing adhesive between two layers of the fuel tank shell which may result
A fuel leak in the presence of an ignition source increases the risk of a fire.
GM will notify owners, and dealers will replace the fuel tank, free of charge. The recall began Mar
This PI provides diagnostic tips for diagnosing electric trailer brakes issues.
Pi created to provide GM dealers with information on gathering information for projection issue
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
Certain vehicles may have a condition that could cause the cylinder 2 glow plug to fail. If this failure occurs, the Malfunction Indicator Light (Check Engine Light) will illuminate and a diagnostic trouble code will set. This special cover
This Preliminary information communicates an issue with a replace or low FOB battery message
This PI communicates information on a SPS programming issue causing Serial Data Authentication Configuration to fail.
This preliminary information communicates information about how to determine if a wheel and tires size change is available.
This Preliminary information communicates an issue withABS SES MIL / Service Brake System / Service StabiliTrak / BSCM DTC P0606 P0562 and dealers to perform additional battery and connection testing.
Showing the 8 most recent of 1227 technical service bulletins on file with NHTSA.
The contact rented a 2021 GMC Yukon. The contact was driving at 75mph, the contact stated they felt the steering wheel was moving independently causing the vehicle to veer in the opposite direction. B
The contact rented a 2021 GMC Yukon. The contact was driving at 75mph, the contact stated they felt the steering wheel was moving independently causing the vehicle to veer in the opposite direction. B
Vehicle: 2021 GMC Denali Mileage: ~48,000 miles Purchase Price: $62,000 Issue: Airbags & crash sensors failed to deploy Complaint Text: I am filing a safety complaint regarding my 2021 GMC Denali. I
Vehicle: 2021 GMC Denali Mileage: ~48,000 miles Purchase Price: $62,000 Issue: Airbags & crash sensors failed to deploy Complaint Text: I am filing a safety complaint regarding my 2021 GMC Denali. I
Vehicle: 2021 GMC Denali Mileage: ~48,000 miles Purchase Price: $62,000 Issue: Airbags & crash sensors failed to deploy Complaint Text: I am filing a safety complaint regarding my 2021 GMC Denali. I
Showing the 5 most serious of 394 complaints filed with NHTSA.
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