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Service bulletin 161000

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 id615781
Published by NHTSA2001-01-30
Manufacturer's number161000
Manufacturer's date2000-10-16
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

NHTSA's summary

INFORMATION REGARDING P0401, LOW EXHAUST GAS RECIRCULATION VALVE (EGR) FLOW. *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

Vehicles listed
HONDA ODYSSEY1999, 2000, 2001

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

Other bulletins for the same vehicles and component
05-0262008-04-24. Service bulletin. HONDA SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. WARRANTY EXTENSION: EGR VALVE CONTAMINATION OR EGR PORT CLOGGING MAY CAUSE DTC P0401, DTC P1491, OR ENGINE HESITATION/SURGE. CSC WAS RECEIVED. *NJ
000092005-11-08. Service bulletin. WARRANTY EXTENSION: EGR VALVE CONTAMINATION OR EGR POR CLOGGING MAY CAUSE DTC P0401, DTC P1491, OR ENGINE HESITATION/SURGE. *TT
0110012001-12-18. Service bulletin. INFORMATION REGARDING A WARRANTY EXTENSTION THAT COVERS EGR SYSTEM CLOGGING. *TT
000092001-12-17. Service bulletin. EXHAUST GAS RECIRULATION PORT CLOGGING. *JG
0315002000-07-20. Service bulletin. INFORMATION REGARDING PCV HOSE ROUTING PRODUCT UPDATE CAMPAIGN. **MR
000092000-05-08. Service bulletin. PCV HOSE ROUTING. *TT