Honda Odyssey 1999–2003 — technical service bulletin
Bulletin 00009 · NHTSA communication 10017431 · issued Jul 20, 2005
Technical service bulletin
communication type
Engine and Engine Cooling
component
1999–2003
model years
6
vehicle entries
Official summary
Warranty extension: egr valve contamination or egr por clogging may cause dtc p0401, dtc p1491, or engine hesitation/surge. *tt
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.