WenmarOpen by Wenmar Pro

Service bulletin TSB120309-092320

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 id10145448
Published by NHTSA2018-10-15
Manufacturer's numberTSB120309-092320
Manufacturer's date2018-09-23
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of fault code 3714 active with no other active fault codes. Due to a software issue, Fault Code 3714 may become active after adjusting INSITE? electronic service tool multiplexing parameters or troubleshooting other active selective catalytic reduction (SCR) related fault codes. 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, Software

Vehicles listed
CUMMINS B6.7
CUMMINS ISB6.7
CUMMINS ISC
CUMMINS ISL9
CUMMINS ISV5.0
CUMMINS ISX12
CUMMINS ISX15
CUMMINS L9
CUMMINS X15

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