Boost Sensor error code (VCDS P0236 DTUK)

[kpm278]

Hi

I'm getting an error code and limp home mode. It's happened a couple of times. I've disconnected my DTUK tuning box to rule that out as it connects to the boost sensor. I've read the sensor could be a red herring and it might be vacuum pipes, blocked EGR etc etc

Do sensors have a reduced tolerance with a DTUK connected? Where my 6 year old sensor would otherwise run happily within its parameters on an untouched engine, the DTUK exploits any sensor that isn't in A1 condition?

Thanks, Kris

11901 - Manifold Pressure / Boost Sensor (G31)
P0236 00 [032] - Implausible Signal
Intermittent - Not Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 1
Date: 2000.00.00
Time: 00:00:00

Engine speed: 0.00 /min
Normed load value: 0.0 %
Vehicle speed: 0 km/h
Coolant temperature: 8 °C
Intake air temperature: 8 °C
Ambient air pressure: 1010 mbar
Voltage terminal 30: 12.360 V
Unlearning counter according OBD: 39
Charge air cooler inlet: pressure sensor 1 bank 1: raw value: 2440.2 hPa
Engine status: COENG_STANDBY
Engine status-Test_Program_Co Eng st COMPU VERB UBYTE: 0

5169 - Manifold Pressure / Boost Sensor (G31)
P0238 00 [032] - Signal too High
Intermittent - Not Confirmed - Tested Since Memory Clear

 

[NHN]

I would swap it out & retest, as that's one thing important ticked of, apart from wiring.