Honda Accord 2010 — technical service bulletin
Bulletin IN-4-18-14 · NHTSA communication 10055846 · issued Apr 18, 2014
Technical service bulletin
communication type
Engine and Engine Cooling
component
2010
model years
2
vehicle entries
Official summary
Honda: some vehicles may experience a malfunction with the catalyst system. Malfunction indicator lamp dtc p0420 may be stored. American honda is attempting to inspect the vehicle before any repairs have made. *js
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.