PROTERRA 2020 PROTERRA CATALYST Recall
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
2020 PROTERRA CATALYST
Brand
PROTERRA
Lot Codes / Batch Numbers
Not specified in NHTSA notice. Check official source for details.
Products Sold
Model Year 2020
Proterra, Inc. is recalling certain 2020 PROTERRA CATALYST vehicles due to electrical system:software issues. The rear door may open without the driver's awareness, increasing the risk of injury..
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
Proterra, Inc. (Proterra) is recalling certain 2019-2020 Catalyst 40 foot buses. A software defect in the body controller that operates the door motor may allow the rear door to open unexpectedly.
Reported concern (NHTSA)
The rear door may open without the driver's awareness, increasing the risk of injury.
Recommended Action
Per NHTSA guidance
Proterra will notify owners, and dealers will update the software, free of charge. Owner notification letters were mailed on June 11, 2021. Owners may contact Proterra customer service at 1-864-438-0000.
Verify this information on the official source
For complete details and official instructions, check the National Highway Traffic Safety Administration (NHTSA) directly.
View official NHTSA recall noticePage updated: Jan 10, 2026