Passat B7 2.0TDI NEW Turbo actuator, fault still active!

   #1  

jonixins

Verified VCDS User
Verified
Joined
Jun 29, 2014
Messages
50
Reaction score
23
Location
Latvia
VCDS Serial number
C?ID=151647
Hello.

I have a problem. Came car with following fault:

Code:
uesday,09,January,2018,10:21:39:33393
VCDS Version: Beta 17.12.0 (x64) Running on Windows 10 x64
www.Ross-Tech.com

Address 01: Engine Labels: 03L-906-018-CFF.clb
Control Module Part Number: 03L 906 018 PA HW: 03L 907 309 AE
Component and/or Version: R4 2,0L EDC H28 2472
Software Coding: 001D0012043401080000
Work Shop Code: WSC 00015 115 00000
ASAM Dataset: EV_ECM20TDI01103L906018PA 003004 (VW46)
ROD: EV_ECM20TDI01103L906018PA.rod
VCID: 78F5C627C3513AEAF72-802C
1 Fault Found:

5249 - Boost Pressure Regulation 
P154F 00 [101] - Malfunction
Not Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 1
Mileage: 215589 km
Date: 2063.14.30
Time: 16:40:14

Engine speed: 1400.00 /min
Normed load value: 23.5 %
Vehicle speed: 0 km/h
Coolant temperature: 32 °C
Intake air temperature: 19 °C
Ambient air pressure: 1030 mbar
Voltage terminal 30: 14.860 V
Unlearning counter according OBD: 40
Charge air pressure specified value: 1037 hPa
Charge air pressure: actual value: 974 hPa
Air mass: actual value (mg/stroke): 479.1 mg/stroke
EGR Solen.val.: actual value: 100.01 %
Throttle valve adapter: actual value: 100.07 %
Charge Pressure Actuator: acknowledgment: 14.03 %
Mean injection quantity: 6.06 mg/stroke


Readiness: 0 0 0 0 1

Actuator was changed to new but fault still appears.
It comes active after turbo test - basic settings or when driving.

Basic settings - N75 adaptation is done several times. Successfully.
 
   #2  

Larry Manton

Verified VCDS User
Verified
Joined
May 19, 2016
Messages
822
Reaction score
411
Location
USA
VCDS Serial number
C?ID=112505
Engine speed: 1400.00 /min

Charge air pressure specified value: 1037 hPa
Charge air pressure: actual value: 974 hPa
Air mass: actual value (mg/stroke): 479.1 mg/stroke

Would appear IMO MAF @ 1400 should be in the above this, maybe above 10GS for conversation, as this is basically reading 0, meaning will not fuel as has no reason too. This engine is under vacuum with no boost at all.
 
   #3  

jonixins

Verified VCDS User
Verified
Joined
Jun 29, 2014
Messages
50
Reaction score
23
Location
Latvia
VCDS Serial number
C?ID=151647
This moment fault came while working on car while turbo test. When driving, conditions are OK.
 
   #4  

jonixins

Verified VCDS User
Verified
Joined
Jun 29, 2014
Messages
50
Reaction score
23
Location
Latvia
VCDS Serial number
C?ID=151647
removed pipeing from intake connection, with all pressures etc correct still the same fault :(
 
   #5  

Jack@European_Parts

Gone But Not Forgotten
Professional VCDS User
Joined
Jan 29, 2014
Messages
21,923
Reaction score
9,308
Location
Montgomery, NY, USA
VCDS Serial number
C?ID=57337
Is there an MIL for this?

Is your actuator set correctly mechanically?

Is there an obstruction in intake/exhaust causing a deviation which can't be achieved or is turbo charger actually making boost?

Curse VW for not putting a negative or positive indication to this DTC but stamps indicate the aforementioned.
 
   #6  

jonixins

Verified VCDS User
Verified
Joined
Jun 29, 2014
Messages
50
Reaction score
23
Location
Latvia
VCDS Serial number
C?ID=151647
1. Yes, there is MIL and LIMP
2. Yes, Voltages are correct as in manual
3. Not that case, tried removing intake connection + new MAP
4. yes...

Car went to dealership. I suspect ECU problems as wiring was test-changed.
 
Back
Top