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Service bulletin 0524

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 id10015368
Published by NHTSA2005-07-15
Manufacturer's number0524
Manufacturer's date2005-06-29
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

THE OUTPUT OF THE HEATED OXYGEN SENSOR MOUNTED IN THE EXHAUST SYSTEM CAN DRIFT OVER TIME, RESULTING IN INACCURATE READINGS TO THE ELECTRONIC CONTROL MODULE (ECM). DETROIT DIESEL. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine

Vehicles listed
UNKNOWN UNKNOWN

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