Audi A4 2006 — technical service bulletin
Bulletin 0506 · NHTSA communication 10018309 · issued Nov 7, 2005
Technical service bulletin
communication type
Engine and Engine Cooling
component
2006
model years
2
vehicle entries
Official summary
Ecm update for malfunction indication light on condition, possible diagnostic code p2106(18538). *ts
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.