Got this reading and I'm needing some help to try and pin down the cause:
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VCDS Version: Release 14.10.0
Data version: 20141022
Chassis Type: 1K (7N0)
Scan: 01 03 08 09 15 16 17 19 25 37 42 44 46 52 56 62 72 76
VIN: WVWZZZ1K********   Mileage: 131500km-81710miles
01-Engine -- Status: Malfunction 0010
03-ABS Brakes -- Status: OK 0000
04-Steering Angle -- Status: OK 0000
08-Auto HVAC -- Status: OK 0000
09-Cent. Elect. -- Status: OK 0000
15-Airbags -- Status: OK 0000
16-Steering wheel -- Status: OK 0000
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: OK 0000
25-Immobilizer -- Status: OK 0000
37-Navigation -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
46-Central Conv. -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
56-Radio -- Status: OK 0000
62-Door, Rear Left -- Status: OK 0000
72-Door, Rear Right -- Status: OK 0000
76-Park Assist -- Status: OK 0000
 
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Address 01: Engine        Labels: 03G-906-018-BMN.clb
   Part No SW: 03G 906 018 FC    HW: 03G 906 018 FC
   Component: R4 2.0l PPD1.2      4357  
   Revision: --H42---    Serial number: **************
   Coding: 0000072
   Shop #: WSC 00349 210 91423
   VCID: 6BDF2E8************-****
1 Fault Found:
000665 - Boost Pressure Regulation 
               P0299 - 006 - Control Range Not Reached - Intermittent
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 5
                    Fault Frequency: 1
                    Reset counter: 39
                    Mileage: 131485 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 18:23:54
             Freeze Frame:
                    RPM: 2144 /min
                    Torque: 248.0 Nm
                    Speed: 114.0 km/h
                        66.69 %
                    Voltage: 14.46 V
                    Pressure: 2087.4 mbar
                    Pressure: 1682.7 mbar
Readiness: N/A
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I've been told that it could be any of these things:
- Faulty Pressure Converter Valve / Boost Control Solenoid (N75 valve?)
- Perforated diaphragm in the Vacuum (VNT) Actuator ?
- Sticking turbo vanes
- Faulty Intake Manifold (it's the plastic one, with the flaps) and/or Flap Actuator
The car runs well on the whole (throughout the rev-range) but has occasionally been down on power when cruising and trying to accelerate. It's only gone into limp mode once, before this reading was taken and I don't want it to happen again.
Can anyone help?