Proterra Operating Company, Inc.: Safety Recalls in 2019
Updated on March 19, 2026.
There were 7 safety recalls made by Proterra Operating Company, Inc. in 2019. See the details of the recalls below.
You can also see similar information for other manufacturers.
Data Source: NHTSA.
December 9, 2019
(Campaign #: NR (Not Reported))
Loss of Warning when Brake Interlock is Engaged
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.
NHTSA ID: 19V871000
Component: ELECTRICAL SYSTEM
# of Units Affected: 140
Consequence Summary:
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.
Corrective Action:
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.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 108.53
June 14, 2019
(Campaign #: SC-19-79)
Roof Hatch Glass may Shatter
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.
NHTSA ID: 19V460000
Component: STRUCTURE
# of Units Affected: 21
Consequence Summary:
If the tempered glass roof hatch shatters, glass fragments may fall onto passengers, increasing the risk of an injury.
Corrective Action:
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.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 100
May 30, 2019
(Campaign #: NR (Not Reported))
Swivel Valve may Allow Loss of Pressure/FMVSS 121
Proterra, Inc. (Proterra) is recalling certain 2017-2018 Catalyst buses. The vehicles are equipped with swivel valves that may insufficiently protect the air brake system from an air leak between the service reservoir and the source of air pressure. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems."
NHTSA ID: 19V402000
Component: SERVICE BRAKES, AIR
# of Units Affected: 147
Consequence Summary:
If the swivel valves are unable to protect the air brake system against loss of air pressure, this may lead to service brake failure and the possibility for the uncontrolled application of the safety brake. Either condition increases the risk of crash.
Corrective Action:
Proterra will notify owners, and will replace the swivel valve with a check valve that is sufficient to protect the air brake system, free of charge. The recall began July 26, 2019. Owners may contact Proterra customer service at 1-864-438-0000.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 100
April 9, 2019
(Campaign #: NR (Not Reported))
Air Pressure May Build up in Rear Brake System
Proterra, Inc. (Proterra) is recalling certain 2015-2018 Catalyst 40 buses equipped with an optional tow fitting and airline that allows a tow truck to operate the rear brakes on the vehicle. The mesh cap covering the airline for the tow fitting can be clogged with road debris in inclement weather, possibly resulting in a build up of air pressure in the rear brake system.
NHTSA ID: 19V283000
Component:
# of Units Affected: 39
Consequence Summary:
A build up of air pressure can cause the brakes to drag and possibly overheat, increasing the risk of fire.
Corrective Action:
Proterra will notify owners, and dealers will install an additional shield to the tow fitting that protects the mesh cap, free of charge. The recall began June 4, 2019. Owners may contact Proterra customer service at 1-864-438-0000.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 100
January 30, 2019
(Campaign #: NR (Not Reported))
Ride Height System may Overload Front Tires
Proterra Inc., (Proterra) is recalling certain 2015-2018 Catalyst 40 and 35 transit buses. The affected vehicles are equipped with a four point height control system that may cause a load imbalance, overloading the front tires.
NHTSA ID: 19V062000
Component: SUSPENSION
# of Units Affected: 310
Consequence Summary:
An overloaded front tire may fail unexpectedly, increasing the risk of crash.
Corrective Action:
Proterra will notify owners, and dealers will convert the current four point ride height system into a three point system to prevent the front tires from being overloaded, free of charge. The recall began March 26, 2019. Owners may contact Proterra customer service at 1-864-438-0000.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 100
January 29, 2019
(Campaign #: NR (Not Reported))
Missing Air Brake Supply Reservoir / FMVSS 121
Proterra Inc., (Proterra) is recalling certain 2015-2018 Catalyst 40 transit buses. The affected vehicles lack a Graham White air brake supply reservoir, possibly resulting in long term moisture build up in the air brake system. As a result, these vehicles fail to comply with Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems."
NHTSA ID: 19V061000
Component: SERVICE BRAKES, AIR
# of Units Affected: 55
Consequence Summary:
Built-up of moisture in the air brake system may lead to brake failure, increasing the risk of crash.
Corrective Action:
Proterra will notify owners, and dealers will install a supply reservoir with a drain between the air dryer and the air supply manifold, free of charge. The recall is expected to begin March 28, 2019. Owners may contact Proterra customer service at 1-864-438-0000.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 100
January 16, 2019
(Campaign #: NR (Not Reported))
Incorrect Axle Weight Rating on Label/FMVSS 567
Proterra, Inc is recalling certain 2015-2018 Catalyst 40, and Catalyst 35 buses. The certification label may list an incorrect gross front axle weight rating and/or incorrect tire pressures. As such, these vehicles fail to comply with the requirements of 49 CFR Part 567, "Certification."
NHTSA ID: 19V034000
Component: EQUIPMENT
# of Units Affected: 184
Consequence Summary:
If the tire pressure is understated, an underinflated tire may result in an increased risk of tire failure, increasing the risk of a crash.
Corrective Action:
Proterra will notify owners, and dealers will replace the certification labels with correct information for all affected customers, free of charge. The recall began March 12, 2019. Owners may contact Proterra customer service at 1-864-438-0000.
Park Outside Advisory: No
Do not Drive Advisory: No
Completion Rate (%): 80.98
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