Home · 2023 GMC Sierra 2500 Hd · Complaints

What 28 owners told NHTSA about the 2023 GMC Sierra 2500 Hd

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 (28)Crash / fire / injury (2)Transmission & drivetrain (20)Electrical system (5)Brakes (3)Engine (3)Backup camera & sensors (1)Body & structure (1)Speed control (1)Visibility & wipers (1)

1 of 28 complaints match · Speed control · clear filters

Jul 17, 2025Transmission & drivetrainSpeed control

This issue is pertaining to the valve body in my 10-speed transmission. While I was traveling home, the truck experienced a “wheel lockup”. The transmission shifted down aggressively, then putting the truck into limp mode. I had to travel the rest of the way home with a max speed of 35 mph. I have been without this truck for 3 months waiting on parts. This is absolutely unacceptable from gm. Extremely unsave.

NHTSA ODI 11674259

Working with the data? Download all 28 complaints as CSV · fetched from NHTSA July 19, 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 2023 GMC Sierra 2500 Hd verdict →