Turbocharger Inlet Valve P22D300 - Stuck Closed Intermittent

[neverweaken]

Hi all,
I have a 150HP 2019 CXEB engine T6 DSG Kombi that I purchased a few months ago, it has a low mileage 48k miles.
Shortly after I bought it the coil light started intermittently flashing and going into limp mode, it varied every 1 – 10 days. Fault resets once engine was restarted.

A mate at work scanned the fault code:
29950 - Turbocharger Inlet Valve P22D3 00 [01101000] - Stuck Closed Intermittent

It was under warranty so I brought it to a local VW dealer and they replaced the full biturbo unit free of charge.
However the fault has appeared again and I've understandably lost faith in the VW dealer.
Is there any common issue that it could be?
If theres anything else that would help let me now.
I have the full .txt fault log file.
Thanks in advance!


Fault code below:


1 Fault Found:

29950 - Turbocharger Inlet Valve

P22D3 00 [01101000] - Stuck Closed

Intermittent - Confirmed - Tested Since Memory Clear

Freeze Frame:

Fault Priority: 2

Fault Frequency: 16

Mileage: 73212 km

Date: 2052.01.12

Time: 17:57:36



Engine RPM: 1853.75 /min

Normed load value: 47.5 %

Vehicle speed: 37 km/h

Coolant temperature: 78 C

Intake air temperature: 23 C

Ambient air pressure: 1020 mbar

Voltage terminal 30: 14.757 V

Unlearning counter according OBD: 39

Air mass at air mass meter 1: 140.4 kg/h

Standardized air flow ratio: 1.007 counts

Exhaust recirc.valve 1 bank 1: posit.feedback - Actual value: 1.57 %

Throttl.valve adapt. 1 bank 1: posit feedback - Actual value: 74.85 %

Charge air pressure: specified value: 1.330 bar

Absolute intake pressure: 118 kPa abs

Mean injection quantity: 24 mg/stroke

Index of current engine mode: 25

Index of next requested engine mode: 25

Index of engine target mode: 25

 

[mmi]

replaced the full biturbo unit free of charge.
However the fault has appeared again

Was the new turbo complete with all the actuators or were they moved from the old turbo?
Was the turbine changeover valve solenoid (N529) & it's vacuum tubing ruled out - the middle one on top/above/firewall of the engine?


Please post

(1) - engine's blockmap data - engine not running (ignition on)​

(2) - engine's blockmap data - engine ticking over (idling 830 RPM)​

VCDS > Applications > Controller Channel Map >​

Tick/fill boxes as above and click Go.

VCDS flashes screens for a moment (when finished hit "Done, Go Back") and there should be files blockmap-01-... in folder C:\Ross-Tech\VCDS\Logs\....

PS. For the above either VCDS HEX-V2 or HEX-NET cable is needed.

 

[neverweaken]

Thanks for the reply, I'll get the info you requested!