CADILLAC, CHEVROLET, GMC
PIT6212D
Manufacturer communications
- Publication date
- 2025-07-29
- Received by NHTSA
- 2025-08-04
- NHTSA record numbers
- 11021312
Manufacturer summary
Original wording in English
This Preliminary information communicates an issue with the Hydrastar Electric Over Hydraulic trailer brake system causing a voltage spike into the trucks electrical system which is causing DTC C1114 to set.
Reported code forms
Check vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Chevrolet | SUBURBAN 1500 | 2026 |
| Chevrolet | SUBURBAN 1500 | 2025 |
| Chevrolet | SUBURBAN 1500 | 2024 |
| Chevrolet | TAHOE | 2026 |
| Chevrolet | TAHOE | 2025 |
| Chevrolet | TAHOE | 2024 |
| GMC | CANYON | 2026 |
| GMC | CANYON | 2025 |
| GMC | CANYON | 2024 |
| GMC | SIERRA 1500 | 2026 |
| GMC | SIERRA 1500 | 2025 |
| GMC | SIERRA 1500 | 2024 |
| GMC | SIERRA 2500 | 2026 |
| GMC | SIERRA 2500 | 2025 |
| GMC | SIERRA 2500 | 2024 |
| GMC | SIERRA 3500 | 2026 |
| GMC | SIERRA 3500 | 2025 |
| GMC | SIERRA 3500 | 2024 |
| GMC | SIERRA EV | 2026 |
| GMC | SIERRA EV | 2025 |
| GMC | SIERRA EV | 2024 |
| GMC | YUKON | 2026 |
| GMC | YUKON | 2025 |
| GMC | YUKON | 2024 |
| GMC | YUKON XL | 2026 |
| GMC | YUKON XL | 2025 |
| GMC | YUKON XL | 2024 |