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Service bulletin TSB140013-022714

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 id10085391
Published by NHTSA2016-12-02
Manufacturer's numberTSB140013-022714
Manufacturer's date2014-02-27
NHTSA componentENGINE; FUEL/PROPULSION SYSTEM

NHTSA's summary

THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF CERTAIN FAULT CODES OCCURING WHILE OPERATING IN TEMPERATURES BELOW FREEZING (32 DEGREES F). CONDENSATION FORMS IN THE CHARGE-AIR COOLER, EXHAUST GAS RECIRCULATION (EGR) COOLER AND/OR BLOWBY GASES, FREEZES AND CAUSES POOR PERFORMANCE AND/OR FAULT CODES 124, 125, 556, 1891, 1965, 1966, 2722, 2723, 2758, 2759, 2776 AND 2991. THE BULLETIN DESCRIBES THE MEASURES THAT MUST BE TAKEN TO ADDRESS THIS SITUATION. THIS IS A REVISION TO A PREVIOUS COMMUNICATION.

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, Fuel system

Vehicles listed
CUMMINS ISL9G
CUMMINS WESTPORT ISX12 G

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