WenmarOpen by Wenmar Pro

Service bulletin TSB150120-111020

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 id10184077
Published by NHTSA2020-12-14
Manufacturer's numberTSB150120-111020
Manufacturer's date2020-11-10
NHTSA componentELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of a complaint of engine will not start. When attempting to communicate with INSITE? electronic service tool, Error 5080 - Electronic Control Module (ECM) ROM Booted is displayed. Upon completion of recalibration to address the ROM boot issue, the ECM is in a password protected state. This is an update to a previously submitted 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, Engine, Engine control module

Vehicles listed
CUMMINS ISB5.9 G
CUMMINS ISB6.7G
CUMMINS ISL G
CUMMINS ISX12 G
CUMMINS WESTPORT ISL G
CUMMINS WESTPORT ISX12 G

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