# Service bulletin 22123

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: 10227425
- Published by NHTSA: 2022\-12\-07
- Manufacturer's number: 22123
- Manufacturer's date: 2022\-11\-10
- NHTSA component: ELECTRICAL SYSTEM; POWER TRAIN

## NHTSA's summary

Certain electric buses may have been built without the Level 2 Manual Service Disconnects \(MSDs\). This document will walk the user through installing the Level 2 MSDs and high\-voltage circuits needed.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10227425-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10227425-9999.pdf)

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

## Components

Electrical system, Transmission and driveline

## Vehicles listed

- 2022 to 2023 IC BUS EV

JSON: [/v1/bulletins/10227425](/v1/bulletins/10227425)

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