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Service campaign C7141

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 id11026084
Published by NHTSA2025-12-03
Manufacturer's numberC7141
Manufacturer's date2025-11-11
Campaign id or software versionC7141
NHTSA componentENGINE

NHTSA's summary

This Warranty Field Campaign is being issued to address a low torque condition on air intake manifold cap screws on certain X15N engines. This field action authorizes certified repair locations to re-torque intake manifold capscrews to the proper torque specifications and adjust the orientation of both the OEM installed Ignition Control Module Relay and the Oxygen Sensor/Ignition Coil Relay on eligible engines. 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

Vehicles listed
CUMMINS X15N

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