PROTERRA 2018 PROTERRA CATALYST Recall
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
2018 PROTERRA CATALYST
Brand
PROTERRA
Lot Codes / Batch Numbers
Not specified in NHTSA notice. Check official source for details.
Products Sold
Model Year 2018
Proterra Inc. is recalling certain 2018 PROTERRA CATALYST vehicles due to steering:gear box (other than rack and pinion) issues. An unsecured steering gear box could cause the driver to lose the ability to steer the vehicle, increasing the risk of crash or injury..
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
Proterra Inc. (Proterra) is recalling certain 2018-2020 35 foot and 40 foot Catalyst buses. Lack of plexus adhesive between the torque plate and the vehicle chassis may cause the bolts securing the steering gear box to loosen.
Reported concern (NHTSA)
An unsecured steering gear box could cause the driver to lose the ability to steer the vehicle, increasing the risk of crash or injury.
Recommended Action
Per NHTSA guidance
Proterra will notify owners, and dealers will inspect the steering gear mounting bolts and the plexus adhesive layer between the torque plate and the chassis. If the plexus adhesive layer is missing or insufficient, the components will be repaired, free of charge. The recall began December 10, 2020. Owners may contact Proterra customer service at 1-864-438-0000. Proterra's number for this recall is SC-20-154.
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