Proterra Operating Company back pressure in the shared air exhaust for the pneumatic ride height system and parking brake control valve may engage the parking brake while the vehicle is in motion.
The short version
Proterra Operating Company, Inc. reported a problem with the parking brake. Here is what owners need to know.
Back pressure in the shared air exhaust for the pneumatic ride height system and parking brake control valve may engage the parking brake while the vehicle is in motion.
Unintentional engagement of the parking brake increases the risk of a crash.
Proterra will install a redesigned air circuit, free of charge.
Affected vehicles
These model years are included in NHTSA campaign 22V-855.
| YEAR RANGE | MODEL |
|---|---|
| — | See NHTSA record 22V-855 |
What changed
Newest first. The record shows both when the recall began and what has changed since.
- Recall reported to NHTSA. LATEST
Drive one of these? Check your VIN to see if your specific vehicle is affected.
Check your VINWhat this record means
Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.
Not affiliated
MyAutoRecalls is not affiliated with Proterra Operating Company, Inc. or the National Highway Traffic Safety Administration.