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Service bulletin 23TS-05REV

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 id10241588
Published by NHTSA2023-09-02
Manufacturer's number23TS-05REV
Manufacturer's date2023-08-25
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Revised Detroit Technical Service Letter for Fault Codes SPN 2659/FMI 0 and SPN 3216/FMI 20 on DD16/GATS 2.0 Only

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
DETROIT DIESEL DETROIT DIESEL

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