WenmarOpen by Wenmar Pro

Service bulletin TSB170083-100920

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 id10123206
Published by NHTSA2017-11-14
Manufacturer's numberTSB170083-100920
Manufacturer's date2017-10-16
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

This Technical Service Bulletin announces the verification and resolution to active fault code 3555 after downloading engine controll module (ECM) calibration codes released June 2017 or later due to compatibility issues with original equipment manufacturer (OEM) dash configuration. This is a revision to a previous communication.

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

Electrical system, Software

Vehicles listed
CUMMINS L9

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