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Service bulletin 090199

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 id608022
Published by NHTSA1999-10-28
Manufacturer's number090199
Manufacturer's date1999-09-01
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

NHTSA's summary

INFORMATION ON TROUBLESHOOTING EXHAUST GAS RECIRCULATION (EGR) DIAGNOSTIC TROUBLE CODES (DTC) P0401 AND P1491. *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, EGR valve

Trouble codes named

P0401, P1491

Vehicles listed
HONDA ACCORD1994, 1995, 1996
HONDA ODYSSEY1995, 1996

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