A software error was causing a false state of charge calculation, shutting off the DC to DC converter,...
Proterra technical service bulletin SC-19-82 for 2017-2019 Proterra Catalyst.
- Bulletin number
- SC-19-82
- Component
- Electrical system
- Summary
- A software error was causing a false state of charge calculation, shutting off the DC to DC converter, causing the low voltage batteries to lose charge. Loss of power to the low voltage battery could cause ancillary systems in the vehicle to turn off. Proterra issued this service bulletin to update the software that will make SOC calculations more accurate and prevent loss of power to the low voltage system.
Vehicles covered
- Proterra Catalyst 2017-2019 201720182019
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