Why not stick with the code and diagnose the wastegate solenoid?
April, 19, 2013 AT 4:53 PM
Wastegate Bypass Regulator Valve, Checking
Recommended special tools and equipment e.G: VAG1526 multimeter orVAG1715 multimeter
VAG1594 connector test kit
Switch ignition off.
Disconnect connector at solenoid valve for charge pressure regulation.
Measure resistance between terminals of valve. Specified value: 25 to 35 ohms
If specified value is not obtained: Replace Wastegate Bypass Regulator Valve -N75-.