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Service bulletin TSB140167-112614

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 id10089190
Published by NHTSA2017-01-19
Manufacturer's numberTSB140167-112614
Manufacturer's date2014-12-08
NHTSA componentENGINE

NHTSA's summary

THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF FAULT CODE 3243, WHICH MAY BE DUE TO THE ENGINE NOT HAVING THE LATEST ELECTRONIC CONTROL MODULE (ECM) CALIBRATION, RESULTING IN UNNECESSARY THERMOSTAT REPLACEMENT. FAULT CODE 3243 INDICATES THAT THE ENGINE IS NOT WARMING UP AS EXPECTED.

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

Engine

Vehicles listed
CUMMINS B6.7
CUMMINS ISL9

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