# Service bulletin SC\-23\-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: 11007833
- Published by NHTSA: 2024\-09\-17
- Manufacturer's number: SC\-23\-079
- Manufacturer's date: 2023\-05\-24
- Campaign id or software version: SC\-23\-079
- NHTSA component: POWER TRAIN; SERVICE BRAKES; FUEL/PROPULSION SYSTEM; ENGINE; ELECTRICAL SYSTEM

## NHTSA's summary

This procedure describes the process for updating the 800V DuoPower Body, Vehicle and Powertrain Controllers software to the latest version.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-11007833-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-11007833-9999.pdf)

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

## Components

Brakes, Electrical system, Engine, Fuel system, Transmission and driveline

## Vehicles listed

- 2019 to 2020 PROTERRA CATALYST
- 2019 to 2022 PROTERRA ZX5

JSON: [/v1/bulletins/11007833](/v1/bulletins/11007833)

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