Bulletin instructions to update the horns electrical relay for transit buses.
Proterra technical service bulletin SC-22-064 for 2021-2022 Proterra ZX5.
- Bulletin number
- SC-22-064 (SC-22-064)
- Component
- Electrical system
- Summary
- Bulletin instructions to update the horns electrical relay for transit buses.
Vehicles covered
- Proterra ZX5 2021-2022 20212022
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