Proterra Operating Company, Inc.: Safety Recalls in 2021

Updated on March 19, 2026.

There were 2 safety recalls made by Proterra Operating Company, Inc. in 2021. See the details of the recalls below.

You can also see similar information for other manufacturers.

Data Source: NHTSA.

See this for other years:

April 19, 2021

(Campaign #: SC-21-085)

Software May Allow Rear Door To Open Unexpectely

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.

NHTSA ID: 21V268000

Component: ELECTRICAL SYSTEM

# of Units Affected: 12

Consequence Summary:

The rear door may open without the driver's awareness, increasing the risk of injury.

Corrective Action:

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.

Park Outside Advisory: No

Do not Drive Advisory: No

Completion Rate (%): 100

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February 1, 2021

(Campaign #: SC-21-13)

Front Fender Flare Improvement

Proterra, Inc. (Proterra) is recalling certain 2020-2021 40' ZX5 vehicles. These vehicles have a front fender flare which may cause mud, dirt, debris, rain and snow to splash onto the driver's side window and mirror.

NHTSA ID: 21V040000

Component: STRUCTURE

# of Units Affected: 21

Consequence Summary:

Driver visibility may become impeded, increasing the risk of a crash.

Corrective Action:

Proterra will notify owners, and dealers will install a retrofit fender flare, free of charge. The recall began February 9, 2021. Owners may contact Proterra customer service 1-864-438-0000. Proterra's number for this recall is SC-21-13.

Park Outside Advisory: No

Do not Drive Advisory: No

Completion Rate (%): 95.24

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