# Service bulletin SC\-22\-079

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 11010711
- Published by NHTSA: 2024\-11\-21
- Manufacturer's number: SC\-22\-079
- Manufacturer's date: 2022\-07\-05
- Campaign id or software version: SC\-22\-079
- NHTSA component: ELECTRICAL SYSTEM; SERVICE BRAKES

## NHTSA's summary

Instructions for a vehicle controller update on the transit buses to fix bugs and protect components, specifically overhead charging, compressor and inverter. Improving diagnostics of these units.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-11010711-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-11010711-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Brakes, Electrical system

## Vehicles listed

- 2019 to 2021 PROTERRA CATALYST
- 2019 to 2022 PROTERRA ZX5

JSON: [/v1/bulletins/11010711](/v1/bulletins/11010711)

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