# Service campaign C7126

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: 11018173
- Published by NHTSA: 2025\-05\-08
- Manufacturer's number: C7126
- Manufacturer's date: 2025\-04\-23
- Campaign id or software version: C7126
- NHTSA component: ENGINE

## NHTSA's summary

This Warranty Field Campaign is being issued to address variable\-geometry turbocharger \(VGT\) actuator failures on certain X12 engines. This field action authorizes certified repair locations to replace actuators on eligible engines.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11018173-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11018173-9999.pdf)

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

## Components

Engine

## Vehicles listed

- CUMMINS X12

JSON: [/v1/bulletins/11018173](/v1/bulletins/11018173)

[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%20C7126&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11018173&vehicle=Service%20campaign%20C7126)