WenmarOpen by Wenmar Pro

Service bulletin AFC15901

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 id10125356
Published by NHTSA2017-12-14
Manufacturer's numberAFC15901
Manufacturer's date2015-09-25
NHTSA componentELECTRICAL SYSTEM:SOFTWARE; STRUCTURE

NHTSA's summary

Vehicles equipped with an air intake snow valve may have incorrect programming in the body controller. This condition may cause the snow valve to remain open and draw outside air.

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

Body and frame, Electrical system, Software

Vehicles listed
INTERNATIONAL WORKSTAR2014, 2015
INTERNATIONAL WORKSTAR2016

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
IK08002842020-08-04. Service bulletin. Ambient Air Temperature (AAT) Sensor Faults/Location/Diagnostics
IK04000772019-04-08. Service bulletin. FLR-10 Bendix Wingman Misalignment Issues; only models with Feature Code 08TKY Wingman FLR-10 Radars
AFC139012018-05-29. Service bulletin. ECM Recalibration to provide engine protection against an increase in engine RPM while vehicle is idling (only in a parked state or if vehicle is not moving); Only models equipped with MaxxForce 13 engine. Retired
AFC129492018-05-29. Service bulletin. ECM Recalibration to prevent possible frequent DPF level 1, 2, or 3 excessive soot levels and dash warning lights between 1,000 and 1,500 miles; only models equipped with a 12X10 Diesel Particulate Filter (DPF). Retired
IK08000802018-04-02. Service bulletin. J1939 Data Link Troubleshooting; Only Models with 250k Baud Data Link (Black 9 Pin Diagnostic Connector)
IK08004852018-04-02. Service bulletin. Cluster Software Update Instructions
IK08000802018-04-02. Service bulletin. J1939 Data Link Troubleshooting
IK25005112018-04-02. Service bulletin. Using Supplier Software to Check DTCs
IK08003512018-02-21. Service bulletin. J1939 Data Link Source Address Information
IK08000802018-02-21. Service bulletin. J1939 Data Link Troubleshooting