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Service campaign C2635

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 id11007028
Published by NHTSA2024-09-04
Manufacturer's numberC2635
Manufacturer's date2024-08-23
Campaign id or software versionC2635
NHTSA componentENGINE

NHTSA's summary

This Warranty Field Campaign enables authorized repair locations to replace the SCR module on certain B6.7 and L9 MY2022 systems. The updated parts may improve the aftertreatments emissions performance. 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 B6.7
CUMMINS L9

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