2022 Proterra ZX5 Recall: Interlock override switch was not installed during production
NHTSA campaign 22V829000 · Electrical System · filed Nov 7, 2022 · verified Jul 30, 2026
The defect
Proterra Operating Company, Inc. (Proterra) is recalling certain 2022 ZX5 transit buses. The interlock override switch was not installed during production.
The risk
Without the switch, the driver may be unable to override the interlock system and move the bus, necessitating the transfer of passengers to another bus and increasing the risk of injury.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Proterra will provide installation instructions and an interlock override switch, free of charge. Owner notification letters were mailed January 9, 2023. Owners may contact Proterra customer service at 1-864-438-0000.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Affected vehicles
Related recalls
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Other campaigns involving Proterra vehicles
Source: NHTSA recall database, campaign 22V829000. Data last verified Jul 30, 2026.