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Service bulletin CMI-B7C9U-08

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 id10085221
Published by NHTSA2016-11-30
Manufacturer's numberCMI-B7C9U-08
Manufacturer's date2016-07-28
NHTSA componentELECTRICAL SYSTEM:SOFTWARE; ENGINE

NHTSA's summary

THIS IS A REPRESENTATIVE LETTER MAILED TO CERTAIN OWNERS INFORMING THEM OF CUMMINS CAMPAIGN C1737, AUTHORIZING REPAIR LOCATIONS TO VERIFY, AND IF REQUIRED, RE-CALIBRATE THE ENGINE CONTROL MODULE SOFTWARE.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Engine, Software

Vehicles listed
CUMMINS ISL9

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