Volkswagen Golf 2002–2004 — technical service bulletin
Bulletin 0412 · NHTSA communication 10007887 · issued May 19, 2004
Technical service bulletin
communication type
Electrical System
component
2002–2004
model years
9
vehicle entries
Official summary
Malfunction indicator light (mil) on, diagnostic trouble codes (dtcs) stored in diagnostic trouble code (dtc) memory. *mj
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.