Audi A6 2000 — technical service bulletin
Bulletin 0401 · NHTSA communication 10011565 · issued Nov 15, 2004
Technical service bulletin
communication type
Electrical System
component
2000
model years
2
vehicle entries
Official summary
Malfunction indicator light on with dtc (diagnostic trouble code) p0422 and/ or p0432 stored in dtc memory . *tc
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.