SYS ONLINE INGEST 3 hours ago SOURCE NHTSA · TC BUILD v0.0.29
Vehicle scope Default: all classes — narrow to retail passenger anytime

Proterra · United States · High

Proterra Catalyst: Service brakes — reservoir/tank

Affects Proterra Catalyst · 2016–2018 — about 55 vehicles.

The hazard

Built-up of moisture in the air brake system may lead to brake failure, increasing the risk of crash.

What to do

Proterra will notify owners, and dealers will install a supply reservoir with a drain between the air dryer and the air supply manifold, free of charge. The recall is expected to begin March 28, 2019. Owners may contact Proterra customer service at 1-864-438-0000.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational