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Service bulletin TSB190003

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 id10244887
Published by NHTSA2023-11-06
Manufacturer's numberTSB190003
Manufacturer's date2023-10-10
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of issue of Fault Codes 175, 176, and 415 (B6.7 Only) and fault Codes 5879 and 5881 (B, L9, X12 and X15 engines). This is an update to 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

Engine

Vehicles listed
CUMMINS B6.7
CUMMINS ISB6.7
CUMMINS ISL9
CUMMINS ISX12
CUMMINS ISX15
CUMMINS L9
CUMMINS X12
CUMMINS X15

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