2020–2021 Proterra ZX5 Recall: These vehicles have a front fender flare which may cause mud, dirt…
NHTSA campaign 21V040000 · Structure · filed Feb 1, 2021 · verified Jul 30, 2026
The defect
Proterra, Inc. (Proterra) is recalling certain 2020-2021 40' ZX5 vehicles. These vehicles have a front fender flare which may cause mud, dirt, debris, rain and snow to splash onto the driver's side window and mirror.
The risk
Driver visibility may become impeded, increasing the risk of a crash.
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 notify owners, and dealers will install a retrofit fender flare, free of charge. The recall began February 9, 2021. Owners may contact Proterra customer service 1-864-438-0000. Proterra's number for this recall is SC-21-13.
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.safercar.gov.
Affected vehicles
Related recalls
More Proterra ZX5 recalls
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- 2020–2022 Proterra Catalyst and 1 other model — Windshield wiper motors may operate intermittently or may…
- 2020–2021 Proterra Catalyst and 1 other model — Back pressure in the shared air exhaust for the pneumatic…
- 2022 Proterra ZX5 — Interlock override switch was not installed during…
Other campaigns involving Proterra vehicles
Source: NHTSA recall database, campaign 21V040000 (manufacturer number SC-21-13). Data last verified Jul 30, 2026.