Honda Element 2003 — technical service bulletin
Bulletin 03031 · NHTSA communication 10002097 · issued Jun 3, 2003
Technical service bulletin
communication type
Engine and Engine Cooling
component
2003
model years
1
vehicle entries
Official summary
Malfunction indicator lamp on and diagnostic trouble code p0420 (catalyst system efficiency below threshold) is set. *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.