# Service bulletin TSB260076

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: 11034582
- Published by NHTSA: 2026\-07\-07
- Manufacturer's number: TSB260076
- Manufacturer's date: 2026\-06\-09
- NHTSA component: FUEL/PROPULSION SYSTEM

## NHTSA's summary

This Technical Service Bulletin describes the verification and resolution steps for pack management unit contactor low\-voltage wiring harness of the battery electric system which may be damaged, resulting in fault codes 54, 55, 12144 or 12146 being set.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11034582-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11034582-9999.pdf)

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

## Components

Fuel system

## Vehicles listed

- CUMMINS BES

JSON: [/v1/bulletins/11034582](/v1/bulletins/11034582)

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