# Service campaign C7185

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: 11023888
- Published by NHTSA: 2025\-10\-04
- Manufacturer's number: C7185
- Manufacturer's date: 2025\-09\-05
- Campaign id or software version: C7185
- NHTSA component: ENGINE

## NHTSA's summary

This Warranty Field Campaign is being issued to address potential Speed Indicator Ring capscrew failures on certain L9 engines. This document authorizes Cummins Certified Repair Locations to proactively replace the Speed Indicator Ring capscrews.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11023888-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11023888-9999.pdf)

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

## Components

Engine

## Vehicles listed

- CUMMINS L9

JSON: [/v1/bulletins/11023888](/v1/bulletins/11023888)

[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%20C7185&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11023888&vehicle=Service%20campaign%20C7185)