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Service bulletin SB-11-043

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 id10042649
Published by NHTSA2012-01-05
Manufacturer's numberSB-11-043
Manufacturer's date2012-02-07
ReplacesSB-11-043
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

NHTSA's summary

HONDA: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE SOFTWARE UPDATE INFORMATION FOR SOME VEHICLES CONCERNING THE CATALYTIC CONVERTER BECOMING HOT, AND THE SOFTWARE MISINTERPRETS SIGNAL FROM HEATED OXYGEN SENSOR, INCORRECTLY INDICATING A DETERIORATION OF THE CATALYTIC CONVERTER. *PE UPDATED 5/3/2012. *JS

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 CIVIC HYBRID2003, 2004, 2005 (the catalog's model; the bulletin names a series or trim of it)

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
062820042004-07-20. Service bulletin. HEALTHY CATALYST COLLECTION. *MJ