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Service bulletin TSB140039-040714

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 id10085324
Published by NHTSA2016-12-01
Manufacturer's numberTSB140039-040714
Manufacturer's date2014-04-09
NHTSA componentELECTRICAL SYSTEM; ENGINE

NHTSA's summary

THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF DIESEL PARTICULATE FILTER (DPF) OUTLET TEMPERATURE SENSOR WIRES DAMAGED DURING INSTALLATION OF THE AFTERTREATMENT SELECTIVE CATALYTIC REDUCTION (SCR) CATALYST MOUNTING STRAP BY PACCAR IN THE "SWITCH-BACK" EXHAUST CONFIGURATION. THE DAMAGE RESULTS IN A SHORT WHICH CAN LEAD TO FAULT CODE 3321 (ACTIVE OR INACTIVE).

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

Vehicles listed
CUMMINS ISL9

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