# Service bulletin SC\-23\-055

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: 11009062
- Published by NHTSA: 2024\-10\-22
- Manufacturer's number: SC\-23\-055
- Manufacturer's date: 2023\-07\-11
- Campaign id or software version: SC\-23\-055
- NHTSA component: SUSPENSION; SERVICE BRAKES

## NHTSA's summary

Relocation of the air compressors intake as well as adding a preliminary filter at the top of the air intake..

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-11009062-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-11009062-9999.pdf)

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

## Components

Brakes, Suspension

## Vehicles listed

- 2020 to 2021 PROTERRA CATALYST
- 2021 to 2023 PROTERRA ZX5

JSON: [/v1/bulletins/11009062](/v1/bulletins/11009062)

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