NHTSA Complaint #11661455 — 2023 GMC SIERRA 3500

POWER TRAIN issue reported to NHTSA

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Complaint Details

ODI Number	11661455
Vehicle	2023 GMC SIERRA 3500
Component	POWER TRAIN
Date of Incident	May 5, 2025
Date Filed	May 16, 2025
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	CO

Consumer Description

Transmission issues 5/5/2025, bearly 15,000 miles on it, was excelerating from a stop heading down hill when rear tires locked up, engine downshifted, engine light and limp mode flashed across my screen. threw it into nutral and coasted to next signal and pulled into gas station back parking lot. No codes pulled. called dealer to share and they knew exactly what was wrong with transmition value body problem. but is my transmission ok? Towed to dealer, no fix in sight. 7th vehicle at dealer with same problem. Others been there for months waiting on same part. Thank God I wasn't towing anything, but now I have to pay for rental and they say they are waiting on parts??

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