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Service bulletin 011001

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 id626823
Published by NHTSA2001-12-18
Manufacturer's number011001
Manufacturer's date2001-10-01
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

NHTSA's summary

INFORMATION REGARDING CATALYTIC CONVERTER EFFICIENCY BELOW THRESHOLD. *YD

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, Catalytic converter

Vehicles listed
HONDA CIVIC1999, 2000

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
9012001-12-18. Service bulletin. SUBJECT ON DIAGNOSTIC TROUBLE CODE OF CATALYTIC CONVERTER EFFICIENCY BELOW THRESHOLD.*JB