repaired · 2025 Q3
Propulsion system: traction battery
Risk. The accumulation of liquid inside the battery pack enclosure increases the risk of a fire.
2017 Proterra CatalystProblems, recalls & complaints
NHTSA has logged 0 owner complaints about the 2017 Proterra Catalyst. It is covered by 8 safety recalls, and for recall 22V-887 the manufacturer reports only 55% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through November 30, 2022. Updated daily.
Complaints by system
Where the 2017 Proterra Catalyst has problems
0 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
8 recalls
2017 Proterra Catalyst recalls and how many were fixed
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
repaired · 2024 Q4
Steering: gear box (other than rack and pinion)
Risk. A loose steering gearbox can cause a loss of steering control, increasing the risk of a crash.
repaired · 2021 Q3
Supply: check valve
Risk. 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…
repaired · 2020 Q2
Service brakes
Risk. A build up of air pressure can cause the brakes to drag and possibly overheat, increasing the risk of fire.
Show 4 more recalls
repaired · 2021 Q3
Suspension: front
Risk. An overloaded front tire may fail unexpectedly, increasing the risk of crash.
repaired · 2021 Q3
Supply: reservoir/tank
Risk. Built-up of moisture in the air brake system may lead to brake failure, increasing the risk of crash.
repaired · 2024 Q2
Other: labels
Risk. If the tire pressure is understated, an underinflated tire may result in an increased risk of tire failure, increasing the risk of a crash.
repaired · 2021 Q3
Disc: caliper
Risk. Breakage of the guide pin can cause loss of braking ability or loss of tire pressure, increasing the risk of a crash.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Proterra.
Best & worst years
2017 vs. every other Catalyst year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Catalyst median. How we score
'15'16'17'18'19'20'21'22
- Avoid
- Caution
- Solid
- Best
- Not rated
1 investigation
NHTSA defect investigations
Federal investigations that included the 2017 Proterra Catalyst, and the recalls they led to.
- Remedy Effectiveness of Recall 22V887Open
Own a 2017 Catalyst?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.