Honda Civic Hybrid 2003–2005 — technical service bulletin
Bulletin SB-11-043 · NHTSA communication 10042649 · issued Feb 7, 2012
Technical service bulletin
communication type
Engine and Engine Cooling
component
2003–2005
model years
3
vehicle entries
Official 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
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.