# Service campaign C7263

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 campaign
- NHTSA id: 11033248
- Published by NHTSA: 2026\-06\-03
- Manufacturer's number: C7263
- Manufacturer's date: 2026\-05\-19
- Campaign id or software version: C7263
- NHTSA component: FUEL/PROPULSION SYSTEM

## NHTSA's summary

This Warranty Field Campaign describes the inspection and repair steps for the high voltage battery packs of the battery electric system which may feature damage to the corner brackets, damage to the lid, fasteners requiring the application of thread locker on the top coolant port, bottom coolant port, high\-voltage negative PowerLok connector and high\-voltage positive PowerLok connector, vent ports which require tightening and newly\-designed OEM mounting brackets which need to be replaced.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11033248-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11033248-9999.pdf)

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

## Components

Fuel system

## Vehicles listed

- CUMMINS BES

JSON: [/v1/bulletins/11033248](/v1/bulletins/11033248)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20campaign%20C7263&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11033248&vehicle=Service%20campaign%20C7263)