Mystery hose.

[The Tangerine Dream]

Hello all,

I've been doing a bit of work on the van (see my ongoing thread about blocked Cat/DPF).

Anyway, I've come across this hose which I've never seen before!

Possibly a clue, but I also have these VCDS readings since funding it:

16409 - Actuator Module for Turbocharger 1
P00AF 00 [01100000] - Stuck
Intermittent - Not Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Priority: 2
Fault Frequency: 2
Mileage: 286225 km
Date: 2102.01.12
Time: 00:01:28

Engine speed: 1030.75 /min
Normed load value: 15.7 %
Vehicle speed: 0 km/h
Coolant temperature: 21 C
Intake air temperature: 16 C
Ambient air pressure: 970 mbar
Voltage terminal 30: 12.468 V
Unlearning counter according OBD: 40
Turbine actuator 1 bank 1: posit.feedback - Specified value: 100.00 %
Turbine actuator 1 bank 1: posit.feedback - Actual value: 15.13 %
Turbine actuator 1 bank 1: posit.feedback - Offset closed: 2.64 %
Turbine actuator 1 bank 1: posit.feedback - Raw voltage: 3.777 V
Accelerator pedal travel: raw value: 0.00 %

16261 - Turbocharger Boost Control Position Sensor Circuit
P2563 00 [01100100] - Implausible Signal
Intermittent - Not Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Priority: 2
Fault Frequency: 1
Mileage: 286225 km
Date: 2102.01.15
Time: 18:42:49

Engine speed: 843.25 /min
Normed load value: 39.2 %
Vehicle speed: 0 km/h
Coolant temperature: 20 C
Intake air temperature: 12 C
Ambient air pressure: 990 mbar
Voltage terminal 30: 14.578 V
Unlearning counter according OBD: 40
Turbine actuator 1 bank 1: posit.feedback - Specified value: 99.46 %
Turbine actuator 1 bank 1: posit.feedback - Actual value: 15.00 %
Turbine actuator 1 bank 1: posit.feedback - Offset closed: 2.64 %
Turbine actuator 1 bank 1: posit.feedback - Raw voltage: 3.772 V
Accelerator pedal travel: raw value: 0.00 %

Readiness: N/A

Any ideas?

Cheers,

- TTD