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Service bulletin MIN-14121

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 id10056686
Published by NHTSA2015-01-31
Manufacturer's numberMIN-14121
Manufacturer's date2014-09-22
NHTSA componentELECTRICAL SYSTEM:12V/24V/48V BATTERY

NHTSA's summary

NAVISTAR: DIESEL EXHAUST FLUID (DEF) WILL FREEZE INSIDE PURGE PUMP DUE TO AFTERTREATMENT CONTROL MODULE (ACM) NOT RECEIVING BATTERY POWER (BATTERY DISCONNECT SWITCH), AND PURGE CYCLE FAILS TO COMPLETE, AFTER IGNITION KEY IS OFF. MODEL PROSTAR, WORKSTAR. *PE

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, 12-volt battery

Vehicles listed
INTERNATIONAL PROSTAR2013 to 2014
INTERNATIONAL PROSTAR2015
INTERNATIONAL WORKSTAR2013
INTERNATIONAL WORKSTAR2014, 2015

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

Other bulletins for the same vehicles and component
IK19001982018-04-02. Service bulletin. MaxxPower No Idle Battery-Powered A/C System Diagnostic Guide; models equipped with feature 16UZL