Service bulletin TSB250042
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 | 11020229 |
| Published by NHTSA | 2025-07-07 |
| Manufacturer's number | TSB250042 |
| Manufacturer's date | 2025-06-26 |
| NHTSA component | ENGINE |
NHTSA's summary
This Technical Service Bulletin describes the verification and resolution steps for the OEM ignition control module relay which may be oriented in a way that allows water to enter the relay connection, resulting in a crank no start event or fault code 6631 (Engine Ignition Control Module #1 - Abnormal Update Rate). This is an update to a previously submitted communication.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Engine
| CUMMINS X15N |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.