# Service bulletin SC\-20\-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: 10179591
- Published by NHTSA: 2020\-09\-11
- Manufacturer's number: SC\-20\-079
- Manufacturer's date: 2020\-08\-06
- NHTSA component: EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION MOTOR; EQUIPMENT

## NHTSA's summary

This retrofit changes the traction motor inverter enable signal from 12 to 24 volts to improve reliability.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10179591-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10179591-9999.pdf)

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

## Components

Electrical system, Equipment and accessories, Hybrid and electric drive

## Vehicles listed

- 2017 to 2018 PROTERRA CATALYST

JSON: [/v1/bulletins/10179591](/v1/bulletins/10179591)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20SC-20-079&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10179591&vehicle=Service%20bulletin%20SC-20-079)