# Service bulletin TSB260130

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: 11037907
- Published by NHTSA: 2026\-10\-05
- Manufacturer's number: TSB260130
- Manufacturer's date: 2026\-09\-16
- NHTSA component: ENGINE

## NHTSA's summary

This Technical Service Bulletin describes the verification and resolution steps for the wiring to the coolant temperature sensor on certain B6.7O engines which may be routed such that it contacts the moving parts of the alternator, resulting in loss of signal from coolant temperature sensor.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11037907-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11037907-9999.pdf)

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

## Components

Engine

## Vehicles listed

- CUMMINS B6.7O

JSON: [/v1/bulletins/11037907](/v1/bulletins/11037907)

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