WenmarOpen by Wenmar Pro

Service campaign C7042

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService campaign
NHTSA id11011392
Published by NHTSA2024-12-05
Manufacturer's numberC7042
Manufacturer's date2024-11-13
Campaign id or software versionC7042
NHTSA componentENGINE

NHTSA's summary

This Warranty Field Campaign describes the recalibration steps for the engine control module calibration which may contain a calibration error, resulting in impacts to the performance of the System Out NOx Sensor.

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

Vehicles listed
CUMMINS X12

Listing a model year does not mean every vehicle of it is concerned: the document says which.