WenmarOpen by Wenmar Pro

Service bulletin TSB180096-071220

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 id10143716
Published by NHTSA2018-08-20
Manufacturer's numberTSB180096-071220
Manufacturer's date2018-07-18
NHTSA componentENGINE

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of fault code 4769 active with more than 2 counts in 25 hours and active fault code 6255. Once troubleshoot fault code 4769 is complete and the code has gone inactive, turn the vehicle on and idle for 5 minutes and verify fault code 6255 is inactive.

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

Engine

Vehicles listed
CUMMINS B6.7
CUMMINS L9
CUMMINS X15

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