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Service bulletin C1872

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 id10110285
Published by NHTSA2017-08-04
Manufacturer's numberC1872
Manufacturer's date2017-02-08
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE; ENGINE

NHTSA's summary

This field action is being issued to enable OBD MIL fault for missing CCV Filter on certain ISV5.0 engines in MY15 and MY16 Bluebird Bus and Tiffin RV applications. Certified repair locations are authorized to update the engine electronic control module (ECM) calibration any time the unit is in for maintenance or repairs, with certain restrictions on reimbursement.

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

Electrical system, Engine, Transmission and driveline, Automatic transmission, Software, Transmission control module

Vehicles listed
CUMMINS ISV5.0

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