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What 34 owners told NHTSA about the 2020 GMC Yukon Denali

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (34)Transmission & drivetrain (14)Engine (10)Brakes (3)Electrical system (2)Fuel system (2)Backup camera & sensors (1)Driver assistance (1)Electronic Stability Control (esc) (1)Engine & cooling (1)Seat belts (1)

1 of 34 complaints match · Backup camera & sensors · clear filters

Jan 5, 2021Backup camera & sensors

TL* THE CONTACT OWNS A 2020 GMC YUKON. THE CONTACT STATED WHILE REVERSING, THE BACK OVER PREVENTION CAMERA WAS OBSTRUCTED AND THE CONTACT WAS UNABLE TO SEE A PROPER IMAGE WHILE THE VEHICLE WAS IN REVERSE. THE CONTACT STATED NO WARNING LIGHT WAS ILLUMINATED. THE VEHICLE WAS TAKEN TO THE LOCAL DEALER SHELTON BUICK GMC, INC. (855 S. ROCHESTER RD, ROCHESTER HILLS, MI 48307, (248) 266-2156) TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THE CAMERA FUNCTIONED AS DESIGNED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS INFORMED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 6,000.

NHTSA ODI 11386660

Working with the data? Download all 34 complaints as CSV · fetched from NHTSA July 21, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2020 GMC Yukon Denali verdict →