Complaint 2155519
2025 GMC SIERRA HD • POWER TRAIN • incident Mar 3, 2025
Crash
No
Fire
No
Injuries
0
Deaths
0
- Complaint ID
- 2155519
- Make
- GMC
- Model
- SIERRA HD
- Model Year
- 2025
- Component
- POWER TRAIN
- Incident Date
- Mar 3, 2025
- Date Received
- Dec 9, 2025
- Data As Of
- Aug 1, 2026
Complaint Summary
POWER TRAIN
Owner Narrative
The 2025 GMC Sierra 2500 HD, equipped with the 10-speed "Allison" transmission, rough shifting,
Owner-submitted narrative on file with NHTSA. Complaint narratives are self-reported and have not been verified.