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Service bulletin 2204H

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 id10009931
Published by NHTSA2004-11-03
Manufacturer's number2204H
Manufacturer's date2004-08-01
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)

NHTSA's summary

THE POSITIVE CRANKCASE VENTILATION (PCV) HOSE MAY FAIL, CAUSING ROUGH IDLING AND/OR THE MALFUNCTION INDICATOR LAMP (MIL) TO ILLUMINATE. EMISSION RECALL 2204H LETTER TO DEALER; ATTACHMENT I DEALER INFORMATION; ATTACHMENT II; ATTACHMENT III OWNER NOTIFICATION LETTER. *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, Exhaust and emissions, Crankcase ventilation (PCV)

Vehicles listed
MAZDA MPV2002, 2003

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