# Service bulletin TSB250049

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: 11016611
- Published by NHTSA: 2025\-04\-04
- Manufacturer's number: TSB250049
- Manufacturer's date: 2025\-03\-03
- NHTSA component: ENGINE

## NHTSA's summary

This Technical Service Bulletin describes the verification and resolution steps for the predictive engine braking system software which may contain an error in messages being shared between the engine control module and the transmission control module, resulting in fault code 5297 \(Engine/Transmission Match \- Out of Calibration\) being set.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11016611-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11016611-9999.pdf)

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

## Components

Engine

## Vehicles listed

- CUMMINS X15N

JSON: [/v1/bulletins/11016611](/v1/bulletins/11016611)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20TSB250049&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11016611&vehicle=Service%20bulletin%20TSB250049)