Honda Civic 2002–2003 — technical service bulletin
Bulletin 04032 · NHTSA communication 10010753 · issued Jul 9, 2004
Technical service bulletin
communication type
Electrical System
component
2002–2003
model years
2
vehicle entries
Official summary
Malfunction indicator lamp comes on with diagnostic trouble code p1420. *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.