Proterra · United States · Crit
Proterra Catalyst: Service brakes
Affects Proterra Catalyst · 2015–2018 — about 39 vehicles.
The hazard
A build up of air pressure can cause the brakes to drag and possibly overheat, increasing the risk of fire.
What to do
Proterra will notify owners, and dealers will install an additional shield to the tow fitting that protects the mesh cap, free of charge. The recall began June 4, 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