Volkswagen Golf 2001–2002 — technical service bulletin
Bulletin 0401 · NHTSA communication 10007016 · issued Mar 31, 2004
Technical service bulletin
communication type
Electrical System
component
2001–2002
model years
6
vehicle entries
Official summary
Ignition coil overlay harness, installing. Malfunction indicator light (mil) on with diagnostic trouble codes (dtcs) p0300, p0301, p0302, p0303, or p0304 stored. *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.