Proterra Operating Company, Inc.: Safety Recalls in 2020

Updated on March 19, 2026.

There were 2 safety recalls made by Proterra Operating Company, Inc. in 2020. See the details of the recalls below.

You can also see similar information for other manufacturers.

Data Source: NHTSA.

See this for other years:

October 28, 2020

(Campaign #: SC-20-154)

Bolts Holding Steering Gear Box May Loosen

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.

NHTSA ID: 20V664000

Component: STEERING

# of Units Affected: 5

Consequence Summary:

An unsecured steering gear box could cause the driver to lose the ability to steer the vehicle, increasing the risk of crash or injury.

Corrective Action:

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.

Park Outside Advisory: No

Do not Drive Advisory: No

Completion Rate (%): 3,380

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October 7, 2020

(Campaign #: SC-20-141)

Power Steering Hose May Leak

Proterra Inc. (Proterra) is recalling certain 2019-2020 Battery-Electric 40' Catalyst and 2020 Battery-Electric 35' Catalyst buses. The power steering hose located at the pump and reservoir may leak and sweat fluid through the hose.

NHTSA ID: 20V621000

Component: STEERING

# of Units Affected: 8

Consequence Summary:

A power steering fluid leak can increase the risk of a crash.

Corrective Action:

Proterra will notify owners, and dealers will inspect and replace the power steering hose, free of charge. The recall began October 6, 2020. Owners may contact Proterra customer service at 1-864-438-0000. Proterra's number for this recall is SC-20-141.

Park Outside Advisory: No

Do not Drive Advisory: No

Completion Rate (%): 100

View Full Recall Details