Does the 2019 Proterra Catalyst have any recalls?

9 recalls found in NHTSA data as of September 22, 2026, covering: electrical system, steering, structure. Recalls apply to the model and year; whether a particular vehicle is included, and whether it has been repaired, depends on its VIN.

How do I check if my 2019 Proterra Catalyst recall has been fixed?

Enter your 17-character VIN at nhtsa.gov/recalls, or ask a Proterra dealer. Recall repairs are free. NHTSA's VIN search doesn't list recalls that were already repaired.

How many complaints have owners filed about the 2019 Proterra Catalyst?

0 complaints filed with NHTSA. Complaints are unverified reports from the public that NHTSA uses to decide what to investigate.

2019 Proterra Catalyst recalls

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

9 recalls found in NHTSA data as of September 22, 2026

For the 2019 Proterra Catalyst. These apply to the model and year, not to one particular vehicle: check your VIN to see whether yours is included and whether it has been repaired.

Has your Proterra been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

Check your VIN with NHTSA

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Proterra dealer can also check your VIN. Recall repairs are free.

2019 Proterra Catalyst recalls, newest first

September 6, 2024NHTSA 24V655000483 vehicles potentially affected

Electrical system

Summary: Phoenix Motorcars (Phoenix) is recalling certain 2019-2021 800V Catalyst and 2020-2022 ZX5 transit buses. The vehicle controller software may allow the electrical circuit for the radiator fan to overheat.
Consequence: Electrical circuits that overheat increase the risk of a fire.
Remedy: Dealers will update the vehicle software, free of charge. Owner notification letters were mailed October 15, 2024. Owners may contact Phoenix customer service at 1-909-987-0815.

This recall on nhtsa.gov

October 17, 2023NHTSA 23V697000238 vehicles potentially affected

Electrical system

Summary: Proterra Operating Company, Inc. (Proterra) is recalling certain 2019-2022 40' and 35' Catalyst 800V transit buses equipped with ProDrive 1.0, and 40' and 35' ZX5 800V transit buses equipped with ProDrive 1.0. A transistor inside the inverter may overheat and fail, which can result in a loss of power steering and drive power.
Consequence: A loss of power steering and/or drive power increases the risk of a crash.
Remedy: Dealers will replace the inverter, free of charge. Owner notification letters were mailed December 16, 2023. Owners may contact Proterra customer service at 1-864-438-0000.

This recall on nhtsa.gov

November 30, 2022NHTSA 22V887000300 vehicles potentially affected

Electrical system › Propulsion system › Traction battery

Summary: Proterra Operation Company, Inc. (Proterra) is recalling certain 2017-2019 Catalyst transit buses. One or more battery packs may allow liquid to leak into and accumulate in the battery pack enclosure.
Consequence: The accumulation of liquid inside the battery pack enclosure increases the risk of a fire.
Remedy: Proterra will update software, inspect, and replace the battery pack, free of charge. Owner letters were mailed November 6, 2023. Owners may contact Proterra's customer service at 1-864-438-0000.

This recall on nhtsa.gov

February 28, 2022NHTSA 22V114000724 vehicles potentially affected

Steering › Gear box (other than rack and pinion)

Summary: Proterra, Inc. (Proterra) is recalling certain 2017-2019 35 foot Catalyst E2, 2017-2019 40 foot E2, 2020-2021 35 foot RR, 2019-2020 40 foot RR, 2019-2022 40 foot ZX5, and 2020-2022 35 foot ZX5 buses. The plexus adhesive between the torque limiter plate and the bus body may be insufficient, causing the bolts that secure the steering gearbox to loosen.
Consequence: A loose steering gearbox can cause a loss of steering control, increasing the risk of a crash.
Remedy: Dealers will install a mechanical fastener and new bolts on the steering gearbox, and install a new torque plate, as necessary, free of charge. Owner notification letters were mailed October 7, 2022. Owners may contact Proterra's customer service at 1-864-438-0000.

This recall on nhtsa.gov

April 19, 2021NHTSA 21V26800012 vehicles potentially affected

Electrical system › Software

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

This recall on nhtsa.gov

October 28, 2020NHTSA 20V6640005 vehicles potentially affected

Steering › Gear box (other than rack and pinion)

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

This recall on nhtsa.gov

October 7, 2020NHTSA 20V6210008 vehicles potentially affected

Steering › Hydraulic power assist › Hose, piping, and connections

Summary: 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.
Consequence: A power steering fluid leak can increase the risk of a crash.
Remedy: 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.

This recall on nhtsa.gov

December 9, 2019NHTSA 19V871000140 vehicles potentially affected

Electrical system › Software

Summary: Proterra, Inc. (Proterra) is recalling certain 2019 Catalyst buses. A body controller software update may have disabled the audible and visible warnings that notifies the operator that the brake interlock could be engaged.
Consequence: If the vehicle does warn the driver that the brake interlock is engaged, the rear brakes may overheat, increasing the risk of a fire or crash.
Remedy: Proterra will notify owners, and dealers will update the body controller software, free of charge. The recall began January 16, 2020. Owners may contact Proterra customer service at 1-864-438-0000.

This recall on nhtsa.gov

June 14, 2019NHTSA 19V46000021 vehicles potentially affected

Structure › Emergency › Escape/egress/exit

Summary: Proterra, Inc. (Proterra) is recalling certain 2018-2019 Catalyst buses equipped with a certain batch of glass roof hatches. Temperature and vibration stresses may cause the tempered glass roof hatch to shatter.
Consequence: If the tempered glass roof hatch shatters, glass fragments may fall onto passengers, increasing the risk of an injury.
Remedy: Proterra will notify owners, and the glass hatch manufacturer will provide replacement hatch lids, free of charge. The recall began August 13, 2019. Owners may contact Proterra at 1-864-438-0000. Proterra's number for this recall is SC-19-79.

This recall on nhtsa.gov

Owner complaints

No owner complaints about the 2019 Proterra Catalyst were found in NHTSA’s complaint data.

Other Proterra Catalyst years

Other 2019 Proterra models

2019 Proterra ZX53 recalls

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Questions

Does the 2019 Proterra Catalyst have any recalls?: 9 recalls found in NHTSA data as of September 22, 2026, covering: electrical system, steering, structure. Recalls apply to the model and year; whether a particular vehicle is included, and whether it has been repaired, depends on its VIN.
How do I check if my 2019 Proterra Catalyst recall has been fixed?: Enter your 17-character VIN at nhtsa.gov/recalls, or ask a Proterra dealer. Recall repairs are free. NHTSA's VIN search doesn't list recalls that were already repaired.
How many complaints have owners filed about the 2019 Proterra Catalyst?: 0 complaints filed with NHTSA. Complaints are unverified reports from the public that NHTSA uses to decide what to investigate.