Took mine to Prestige VW in Melbourne, FL with 102,500mi. They replaced the flap, but they're also saying there's a fault to +5V, and want to charge an additional $290 to try and diagnose the wiring harness. FWIW, I got these codes on VCDS before taking the car in (still drivable otherwise):
Address 01: Engine (CJA) Labels: 03L-906-022-CBE.clb
Part No SW: 03L 906 019 CM HW: 03L 906 022 TS
Component: R4 2,0L EDC G000AG 7967
Revision: 12H14--- Serial number: 00000000000000
Coding: 0050078
Shop #: WSC 22180 444 12505
VCID: 78D13F3A0BF804DEA3D-802D
4 Faults Found:
001136 - Exhaust Pressure Sensor 1 (G450)
P0470 - 000 - Malfunction - MIL ON
Freeze Frame:
Fault Status: 11100000
Fault Priority: 2
Fault Frequency: 1
Reset counter: 255
Mileage: 164988 km
Time Indication: 0
Freeze Frame:
RPM: 0 /min
Speed: 0.0 km/h
Temperature: 24.3°C
Temperature: 23.4°C
Temperature: 18.0°C
Pressure: 0 mbar
Pressure: 3 mbar
001166 - Sensor for Exhaust Flap
P048E - 000 - Short to Plus - MIL ON
Freeze Frame:
Fault Status: 11100000
Fault Priority: 2
Fault Frequency: 1
Reset counter: 255
Mileage: 164988 km
Time Indication: 0
Freeze Frame:
RPM: 0 /min
Speed: 0.0 km/h
Voltage: 12.08 V
Lambda: 99.4 %
Lambda: -0.8 %
Bin. Bits: 00000000
Voltage: 5.016 V
001348 - Sensor 1 for Exhaust Temp Bank 1 (G235)
P0544 - 000 - Circuit Malfunction - MIL ON
Freeze Frame:
Fault Status: 11100000
Fault Priority: 2
Fault Frequency: 1
Reset counter: 255
Mileage: 164988 km
Time Indication: 0
Freeze Frame:
RPM: 0 /min
Speed: 0.0 km/h
Voltage: 12.08 V
Temperature: 23.4°C
Temperature: 930.0°C
Temperature: 24.0°C
Temperature: 24.0°C
001348 - Sensor 1 for Exhaust Temp Bank 1 (G235)
P0544 - 000 - Circuit Malfunction - MIL ON
Freeze Frame:
Fault Status: 11100000
Fault Priority: 2
Fault Frequency: 1
Reset counter: 255
Mileage: 164988 km
Time Indication: 0
Date: 2050.14.14
Time: 12:57:56
Freeze Frame:
RPM: 207 /min
Speed: 0.0 km/h
Voltage: 9.88 V
Temperature: 24.3°C
Temperature: 930.0°C
Temperature: 24.0°C
Temperature: 24.0°C
Readiness: 1 3 0 0 0