Ford Crown Victoria 2001–2002 — technical service bulletin
Bulletin 0522 · NHTSA communication 10012934 · issued Feb 7, 2005
Technical service bulletin
communication type
Electrical System
component
2001–2002
model years
2
vehicle entries
Official summary
Malfunction indicator lamp on with diagnostic trouble code p0420 and or p0430. *eh
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.