ECU potential bad

   #1  

dzubot

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VCDS Serial number
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Lately we've had a lot of rain, I went to drive and the car quickly went into limp mode. I have about 20 different codes now, main code of P0651. I found water sitting on top of the ecu housing. Think this could be the cause? I don't know why the date for the fault codes are from random years and not the current date.

Code:
Sunday,05,July,2020,13:52:07:04508
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 20.4.1.0 (x64)  HEX-V2 CB: 0.4508.4
Data version: 20200331 DS317.0
www.Ross-Tech.com


VIN: 3VWPL8AJ4BM649339   License Plate: 
Mileage: 254110km-157896mi   Repair Order: 



--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


                Address 01: Engine       Labels: 03L-906-022-CBE.clb
Control Module Part Number: 03L 997 030 B    HW: 03L 906 019 DA
  Component and/or Version: R4 2.0l TDI G000AG  9983
           Software Coding: 0050078
            Work Shop Code: WSC 55306 001 1048576
                      VCID: 2D0709F0511027A3C8D-8078
17 Faults Found:

001617 - Sensor Reference Voltage B 
               P0651 - 000 - Open Circuit - MIL ON
             Freeze Frame:
                    Fault Status: 11100000
                    Fault Priority: 2
                    Fault Frequency: 42
                    Reset counter: 255
                    Mileage: 254111 km
                    Time Indication: 0
                    Date: 2015.01.11
                    Time: 22:24:26

             Freeze Frame:
                    RPM: 920 /min
                    Speed: 0.0 km/h
                    Load: 0.0 %
                    Voltage: 13.83 V
                    Temperature: 40.5∞C
                    (no units): 0.0
                    Torque: 57.0 Nm

000768 - Random/Multiple Cylinder Misfire Detected 
               P0300 - 000 - 
             Freeze Frame:
                    Fault Status: 01100000
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 254111 km
                    Time Indication: 0
                    Date: 2015.01.11
                    Time: 22:24:34

             Freeze Frame:
                    RPM: 897 /min
                    Speed: 0.0 km/h
                    Load: 0.0 %
                    Voltage: 13.76 V
                    Voltage: 13.76 V
                    Voltage: 13.76 V
                    Voltage: 13.76 V

000769 - Cylinder 1 
               P0301 - 000 - Misfire Detected
             Freeze Frame:
                    Fault Status: 01100000
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 254111 km
                    Time Indication: 0
                    Date: 2015.01.11
                    Time: 22:24:34

             Freeze Frame:
                    RPM: 897 /min
                    Speed: 0.0 km/h
                    Load: 0.0 %
                    Bin. Bits: 00100000
                    Torque: -9.0 Nm
                    Bin. Bits: 00100000
                    Ign. Timing: 18.4 ∞ATDC

000771 - Cylinder 3 
               P0303 - 000 - Misfire Detected
             Freeze Frame:
                    Fault Status: 01100000
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 254111 km
                    Time Indication: 0
                    Date: 2015.01.11
                    Time: 22:24:34

             Freeze Frame:
                    RPM: 897 /min
                    Speed: 0.0 km/h
                    Load: 0.0 %
                    Bin. Bits: 00100000
                    Torque: -3.0 Nm
                    Bin. Bits: 00100000
                    Ign. Timing: 18.4 ∞ATDC

000772 - Cylinder 4 
               P0304 - 000 - Misfire Detected
             Freeze Frame:
                    Fault Status: 01100000
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 254111 km
                    Time Indication: 0
                    Date: 2015.01.11
                    Time: 22:24:34

             Freeze Frame:
                    RPM: 897 /min
                    Speed: 0.0 km/h
                    Load: 0.0 %
                    Bin. Bits: 00100000
                    Torque: -6.0 Nm
                    Bin. Bits: 00100000
                    Ign. Timing: 18.4 ∞ATDC

000770 - Cylinder 2 
               P0302 - 000 - Misfire Detected
             Freeze Frame:
                    Fault Status: 01100000
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 254111 km
                    Time Indication: 0
                    Date: 2015.01.11
                    Time: 22:24:34

             Freeze Frame:
                    RPM: 897 /min
                    Speed: 0.0 km/h
                    Load: 0.0 %
                    Bin. Bits: 00100000
                    Torque: -9.0 Nm
                    Bin. Bits: 00100000
                    Ign. Timing: 18.4 ∞ATDC

000770 - Cylinder 2 
               P0302 - 001 - Misfire Detected - Intermittent
             Freeze Frame:
                    Fault Status: 00100001
                    Fault Priority: 2
                    Fault Frequency: 2
                    Reset counter: 255
                    Mileage: 254110 km
                    Time Indication: 0
                    Date: 2014.11.26
                    Time: 00:30:48

             Freeze Frame:
                    RPM: 920 /min
                    Speed: 0.0 km/h
                    Inj. Quantity: 8.5 mg/str
                    Mass Air / Rev.: 435.0 mg/str
                    (no units): 3.29
                    Temperature: 15.3∞C
                    Temperature: 41.4∞C

000403 - Fuel Pressure Sensor (G247) 
               P0193 - 000 - Short to Plus - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 254110 km
                    Time Indication: 0

             Freeze Frame:
                    RPM: 0 /min
                    Speed: 0.0 km/h
                    Voltage: 12.31 V
                    Inj. Quantity: 0.0 mg/str
                    Temperature: 26.1∞C
                    Temperature: 49.5∞C
                    Temperature: 36.9∞C

009298 - Diesel Particle Filter; Differential Pressure Sensor 
               P2452 - 000 - Elect. Malfunction - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 254110 km
                    Time Indication: 0
                    Date: 2014.11.26
                    Time: 00:05:29

             Freeze Frame:
                    RPM: 0 /min
                    Speed: 0.0 km/h
                    Mileage: 360 km
                    Pressure: 326 mbar
                    Pressure: 0 mbar
                    (no units): 0.0
                    Temperature: 30.6∞C

008215 - Intake Manifold Flap Position Sensor (Bank 1) 
               P2017 - 000 - Short to Plus - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 254110 km
                    Time Indication: 0
                    Date: 2014.11.26
                    Time: 00:06:13

             Freeze Frame:
                    RPM: 0 /min
                    Speed: 0.0 km/h
                    Voltage: 12.08 V
                    Lambda: 3.2 %
                    Lambda: 10.3 %
                    Bin. Bits: 00000000
                    Voltage: 5.016 V

008200 - Intake Manifold Flap; Bank 1 
               P2008 - 000 - Electrical Malfunction - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 254110 km
                    Time Indication: 0
                    Date: 2014.11.26
                    Time: 00:06:14

             Freeze Frame:
                    RPM: 0 /min
                    Speed: 0.0 km/h
                    Load: 0.0 %
                    Load: 100.0 %
                    Lambda: 99.4 %
                    Mass Air / Rev.: 0.0 mg/str
                    Temperature: 47.7∞C

000069 - Boost Pressure Control Valve/Solenoid (Bank 1) 
               P0045 - 000 - Open Circuit - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 254110 km
                    Time Indication: 0
                    Date: 2014.11.26
                    Time: 00:07:32

             Freeze Frame:
                    RPM: 0 /min
                    Speed: 0.0 km/h
                    Load: 0.0 %
                    Load: 9.8 %
                    Lambda: 14.2 %
                    Pressure: 919.6 mbar
                    Temperature: 30.6∞C

009572 - Turbocharger Boost Control Position Sensor Circuit 
               P2564 - 000 - Signal too Low - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 254110 km
                    Time Indication: 0
                    Date: 2014.11.26
                    Time: 00:19:54

             Freeze Frame:
                    RPM: 0 /min
                    Speed: 0.0 km/h
                    Voltage: 12.01 V
                    Temperature: 36.0∞C
                    Lambda: 1.6 %
                    Bin. Bits: 00000000
                    Voltage: 0.000 V

001136 - Exhaust Pressure Sensor 1 
               P0470 - 000 - Malfunction - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 254110 km
                    Time Indication: 0
                    Date: 2014.11.26
                    Time: 00:21:02

             Freeze Frame:
                    RPM: 0 /min
                    Speed: 0.0 km/h
                    Temperature: 15.3∞C
                    Temperature: 43.2∞C
                    Temperature: 30.0∞C
                    Pressure: 326 mbar
                    Pressure: 3 mbar

000257 - Mass Air Flow Sensor (G70) 
               P0101 - 003 - Implausible Signal - Intermittent
             Freeze Frame:
                    Fault Status: 00100011
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 254110 km
                    Time Indication: 0
                    Date: 2014.11.26
                    Time: 00:22:56

             Freeze Frame:
                    RPM: 0 /min
                    Speed: 0.0 km/h
                    Voltage: 12.01 V
                    Load: 100.0 %
                    Load: 100.0 %
                    Mass Air / Rev.: 1100.0 mg/str
                    Mass Air / Rev.: 0.0 mg/str

000802 - Engine Speed Sensor (G28) 
               P0322 - 000 - No Signal - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 254110 km
                    Time Indication: 0
                    Date: 2014.11.26
                    Time: 00:29:48

             Freeze Frame:
                    RPM: 2484 /min
                    Speed: 0.0 km/h
                    Voltage: 13.68 V
                    Temperature: 48.6∞C
                    Idle Stabilization: 0.0∞KW
                    RPM: 1254 /min
                    (no units): 60.0

008487 - Accelerator Position Sensor 2 (G185) 
               P2127 - 000 - Signal too Low - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 254110 km
                    Time Indication: 0
                    Date: 2014.11.26
                    Time: 02:18:38

             Freeze Frame:
                    RPM: 0 /min
                    Speed: 0.0 km/h
                    Load: 0.0 %
                    Voltage: 10.87 V
                    Voltage: 0.684 V
                    Voltage: 0.380 V
                    Bin. Bits:  0 00  0


Readiness: 1 1 0 1 1
 
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   #2  

Uwe

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I guess the first thing I would do is to pull the connector(s) from ECU and check the condition of the pins. There should be no water in there, and no corrosion.

-Uwe-
 
   #3  

Jack@European_Parts

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Not just connector but through vent and on board too in ECU case!
 
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   #4  

Jack@European_Parts

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Get one of these if it doesn't have one on ECU already and that goes for any MED series ECU, without this you are just asking for ingress bad time trouble?

4L0-907-577


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