# Service bulletin TSB220173

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: 10229357
- Published by NHTSA: 2023\-01\-09
- Manufacturer's number: TSB220173
- Manufacturer's date: 2022\-08\-12
- NHTSA component: EQUIPMENT

## NHTSA's summary

This Technical Service Bulletin describes some engines that have high voltage DC/DC converters \(1\&2\) were programme opposite of the Cummins Inc. part number label. Part number labels on the High Voltage DC/DC converters in the field can indicate incorrect component, whichcan cause confusion when replacing components.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10229357-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10229357-9999.pdf)

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

## Components

Equipment and accessories

## Vehicles listed

- CUMMINS POWERDRIVE EV

JSON: [/v1/bulletins/10229357](/v1/bulletins/10229357)

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