VAG Error Code: 16618
Fault Location:
Engine boost condition - limit exceeded
Possible Cause:
Hose connection(s).
Wiring.
Turbocharger (TC) wastegate regulating valve.
Turbocharger (TC) wastegate.
EOBD II Error Code: P0234
Fault Location:
Turbocharger (TC), engine boost condition - limit exceeded
Possible Cause:
Hose connection(s).
Wiring.
Turbocharger (TC) wastegate regulating valve.
Turbocharger (TC) wastegate.
As taken from my
Free EOBD II Error Codes software