Missing air brake supply reservoir / fmvss 121
Defect Summary
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."
Safety Consequence
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.
Similar Recalls
Other recalls from Proterra Operating Company, Inc. or involving Service Brakes, Air.
FAQ: Recall 19V061000
Your rights, the repair process, and what each field on this page means.
What is recall 19V061000?
NHTSA recall 19V061000 was issued by Proterra Operating Company, Inc. on January 29, 2019. It addresses: Missing air brake supply reservoir / fmvss 121. The recall affects approximately 55 vehicles, with the defect involving the Service Brakes, Air component.
How do I get this recall repaired?
Contact any authorized Proterra Operating Company, Inc. dealer and reference NHTSA recall ID 19V061000 or the manufacturer campaign number NR (Not Reported). Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.