NHTSA Complaint #11420443 — 2021 GMC SIERRA 3500
SERVICE BRAKES issue reported to NHTSA
Complaint Details
| ODI Number | 11420443 |
| Vehicle | 2021 GMC SIERRA 3500 |
| Component | SERVICE BRAKES |
| Date of Incident | |
| Date Filed | |
| Mileage | N/A miles |
| Crash | No |
| Fire | No |
| Injuries | 0 |
| Deaths | 0 |
| Vehicle Towed | No |
| State | WA |
Consumer Description
Trailer brake wiring connection continually disconnectsthen reconnects some time later. Some periods of up to 10 minutes without having trailer braking power. Major safety issue when toeing fifth wheel trailer. We lost brakes going down steep grades. GMC is aware of issue, but has not provided a solution. Vehicle has been yo service shop with no resolution. Case has been opened with GMC.
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