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Service campaign C7021

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 id11013807
Published by NHTSA2025-02-06
Manufacturer's numberC7021
Manufacturer's date2025-01-22
Campaign id or software versionC7021
NHTSA componentENGINE

NHTSA's summary

This Warranty Field Campaign authorizes certified service locations to replace the turbocharger on certain MY 20-23 X15 engines which may have been serviced with incorrect turbochargers.

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 X15

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