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Service bulletin C2607

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 bulletin
NHTSA id10224316
Published by NHTSA2022-10-17
Manufacturer's numberC2607
Manufacturer's date2022-09-06
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

This Campaign is being issued for field action to authorize certified repair locations to replace the engine dataplate on certain MY21 L9N engines. The current dataplate carries incorrect AP options. A new dataplate with the corrected AP option MUST be ordered through the Cummins Online Dataplate Replacement feature. Please refer to Attachment B for detailed ordering instructions.

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 L9N

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