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Thread: A3 8p electrical problems car stays running no key

  1. #1
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    A3 8p electrical problems car stays running no key

    A3 8p. 2.0 tdi 2004 I was having problems with power steering before intermittently cutting out. Now Im having the battery draining and fan cutting in with car stone cold during night or opening door and ignition lights come on. If jump start and switch off dash lights stay on sometime and engine stays running untill I open door. Today all lights went off and stayed running no keys. Had to stall it. The windows are always steamed inside so water getting in. I thought where I washed rear seat but its not. Ive looked online but cant find any common faults is it ecu or fuse box got water in or is it like Passat get water under floor carpet

  2. #2
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    I have traction control light too. Looking at fuse box under bonnet under cover in one one the recess there is water. Fuses in there cover steering and engine controll. Im thinkin water in there. Any ideas how to remover and strip to dry. I can only see a torx in the centre under cover

  3. #3
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    Please post an autoscan. If you've got battery drain then you'll need to test one by one.

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  5. #4
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    Its not really a electric drain more of things turning on and running themselves. I think water in the fuse box under engine shorting everything. I dont want to risk frying my Ross tech cable

  6. #5
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    Without Auto-Scan there is not much information to start with!
    Golf VII, 1.6TDI BM Ed. 40 - 110 PK

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  8. #6
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    Code:
    Monday,02,December,2019,21:07:31:57077
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows XP x86
    VCDS Version: 19.6.2.0
    Data version: 20190930 DS308.0
    www.Ross-Tech.com
    
    
    VIN: WAUZZZ8P84A056462   License Plate: 
    Mileage: 237110km-147333mi   Repair Order: 
    
    
    
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    
    
    Chassis Type: 8P (1K0)
    Scan: 01 03 08 09 15 16 17 19 25 42 44 46 47 52 56 7D
    
    VIN: WAUZZZ8P84A056462   Mileage: 237110km-147333miles
    
    00-Steering Angle Sensor -- Status: Sporadic communication error 1000
    01-Engine -- Status: Malfunction 1010
    03-ABS Brakes -- Status: Malfunction 1010
    08-Auto HVAC -- Status: Malfunction 0010
    09-Cent. Elect. -- Status: OK 0000
    15-Airbags -- Status: Malfunction 1010
    16-Steering wheel -- Status: Malfunction 0010
    17-Instruments -- Status: Malfunction 0010
    19-CAN Gateway -- Status: Malfunction 0010
    25-Immobilizer -- Status: Malfunction 0010
    42-Door Elect, Driver -- Status: Malfunction 0010
    44-Steering Assist -- Status: Malfunction 1010
    46-Central Conv. -- Status: Malfunction 0010
    47-Sound System -- Status: Malfunction 0010
    52-Door Elect, Pass. -- Status: Malfunction 0010
    56-Radio -- Status: Cannot be reached 1100
    7D-Aux. Heat -- Status: Malfunction 0010
     
    -------------------------------------------------------------------------------
    Address 01: Engine        Labels: 03G-906-016-BKD.clb
       Part No SW: 03G 906 016 G    HW: 028 101 136 4
       Component: R4 2,0L EDC 0000SG  5334  
       Revision: 12345678    Serial number: AUX7Z0C6FNT0DV
       Coding: 0000072
       Shop #: WSC 01286 386 08256
       VCID: 27560A959633E177C6-8072
    
    5 Faults Found:
    19781 - Power Supply Terminal 15 
                P3325 - 000 - Implausible - Intermittent
                 Freeze Frame:
                        RPM: 0 /min
                        Torque: 0.0 Nm
                        Speed: 0.0 km/h
                        Load: 0.0 %
                        Voltage: 12.84 V
                        Bin. Bits: 00000000
                        Bin. Bits:        0
                        (no units): 1.0
    
    17978 - Engine Start Blocked by Immobilizer 
                P1570 - 000 -  - Intermittent
                 Freeze Frame:
                        RPM: 0 /min
                        Torque: 0.0 Nm
                        Speed: 0.0 km/h
                        Load: 0.0 %
                        Voltage: 12.62 V
                        Bin. Bits: 00000000
                        Bin. Bits: 11100000
                        (no units): 0.0
    
    16486 - Mass Air Flow Sensor (G70) 
                P0102 - 000 - Signal too Low
                 Freeze Frame:
                        RPM: 840 /min
                        Torque: 42.0 Nm
                        Speed: 0.0 km/h
                        Load: 0.0 %
                        Voltage: 14.36 V
                        Bin. Bits: 00000111
                        Mass Air / Rev.: 850.0 mg/str
                        Mass Air / Rev.: 0.0 mg/str
    
    17903 - Switch-Over Valve for EGR Cooler (N345) 
                P1495 - 000 - Open or Short to Ground - Intermittent
                 Freeze Frame:
                        RPM: 0 /min
                        Torque: 202.0 Nm
                        Speed: 0.0 km/h
                        Load: 0.0 %
                        Voltage: 6.16 V
                        Bin. Bits: 00000000
                        Mass Air / Rev.: 850.0 mg/str
                        Mass Air / Rev.: 0.0 mg/str
    
    17911 - Load Signal from Alternator Term. DF 
                P1503 - 000 - Implausible Signal
                 Freeze Frame:
                        RPM: 0 /min
                        Torque: 0.0 Nm
                        Speed: 0.0 km/h
                        Load: 0.0 %
                        Voltage: 11.93 V
                        Bin. Bits: 00000000
                        Load: 0.0 %
                        (no units): 1.0
    
    Readiness: 0 1 0 0 1 
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes        Labels: 1K0-907-379-MK60-F.lbl
       Part No: 1K0 907 379 D
       Component: ESP FRONT MK60      0102  
       Coding: 0055942
       Shop #: WSC 06435 000 00000
       VCID: 336EEEC552EB9DD76A-8066
    
    6 Faults Found:
    01314 - Engine Control Module 
                013 - Check DTC Memory - Intermittent
    00778 - Steering Angle Sensor (G85) 
                004 - No Signal/Communication - Intermittent
    00474 - Control Module for Immobilizer 
                004 - No Signal/Communication - Intermittent
    01314 - Engine Control Module 
                004 - No Signal/Communication - Intermittent
    01299 - Diagnostic Interface for Data Bus (J533) 
                004 - No Signal/Communication - Intermittent
    00668 - Supply Voltage Terminal 30 
                008 - Implausible Signal - Intermittent
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC        Labels: 8P0-820-043.lbl
       Part No SW: 8P0 820 043 H    HW: 8P0 820 043 H
       Component: KlimavollautomatH14 0180  
       Revision: 138254      Serial number: 8P0820043H    
       Shop #: WSC 06435 000 00000
       VCID: 3162E4CDA8F7AFC718-8064
    
    4 Faults Found:
    00532 - Supply Voltage B+ 
                002 - Lower Limit Exceeded - Intermittent
                 Freeze Frame:
                        Fault Status: 00100010
                        Fault Priority: 1
                        Fault Frequency: 3
                        Reset counter: 218
                        Mileage: 0 km
                        Time Indication: 0
    
                 Freeze Frame:
                        Voltage: 7.40 V
    
    00819 - High Pressure Sensor (G65) 
                009 - Open or Short to Ground - Intermittent
                 Freeze Frame:
                        Fault Status: 00101001
                        Fault Priority: 3
                        Fault Frequency: 1
                        Reset counter: 218
                        Mileage: 0 km
                        Time Indication: 0
    
                 Freeze Frame:
                        Temperature: -50.0C
                        Voltage: 8.40 V
                        RPM: 0 /min
                        Load: 0.0 %
                        Load: 9.0 %
    
    01592 - Air Quality Sensor (G238) 
                010 - Open or Short to Plus
                 Freeze Frame:
                        Fault Status: 01101010
                        Fault Priority: 3
                        Fault Frequency: 218
                        Reset counter: 178
                        Mileage: 223600 km
                        Time Indication: 0
                        Date: 2017.11.11
                        Time: 03:54:00
    
                 Freeze Frame:
                        Temperature: 18.5C
    
    01273 - Fresh Air Blower (V2) 
                008 - Implausible Signal - Intermittent
                 Freeze Frame:
                        Fault Status: 00101000
                        Fault Priority: 3
                        Fault Frequency: 1
                        Reset counter: 218
                        Mileage: 237118 km
                        Time Indication: 0
                        Date: 2019.11.27
                        Time: 00:01:56
    
                 Freeze Frame:
                        Temperature: 5.0C
                        Speed: 325.0 km/h
                        (no units): 202.0
                        (no units): 32.0
    
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect.        Labels:. 8P0-907-279-23-H.lbl
       Part No SW: 8P0 907 279 A    HW: 8P0 907 279 A*
       Component: Bordnetz-SG 1.0 H27 0401  
       Revision: 00000000    Serial number: 00000000119363
       Coding: 01884F00A2141000000000000000000000
       Shop #: WSC 00000 000 00000
       VCID: 3B7EC6E57ABB5597B2-806E
    
       Subsystem 1 - Part No: 8P2 955 119 C  Labels: 1TX-955-119.CLB
       Component: Wischer WWS Audi350 0180  
       Coding: 16711696
       Shop #: WSC 00000  
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 15: Airbags        Labels: 8P0-959-655-84.lbl
       Part No SW: 8P0 959 655 F    HW: 8P0 959 655 F
       Component: Airbag 8.4ED    H01 0130  
       Coding: 0011602
       Shop #: WSC 06435 000 00000
       VCID: 458AA01D0C7F1367D4-8010
    
    1 Fault Found:
    00532 - Supply Voltage B+ 
                002 - Lower Limit Exceeded - Intermittent
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel        Labels: 1K0-953-549-MY8.lbl
       Part No SW: 1K0 953 549 A    HW: 1K0 953 549 A
       Component: Lenksulenmodul 009 0030  
       Coding: 0000012
       Shop #: WSC 06435 551 00000
       VCID: 3064E1C9A3FDA6CF17-8064
    
    2 Faults Found:
    00446 - Function Limitation due to Under-Voltage 
                002 - Lower Limit Exceeded - Intermittent
    00532 - Supply Voltage B+ 
                002 - Lower Limit Exceeded - Intermittent
    
    -------------------------------------------------------------------------------
    Address 17: Instruments        Labels: 8P0-920-xxx-17-MY7.lbl
       Part No SW: 8P0 920 980 H    HW: 8P0 920 980 H
       Component: KOMBIINSTR. VDO H25 0080  
       Revision: D05         Serial number: 2246CD05000107
       Coding: 0004403
       Shop #: WSC 00783 067 57207
       VCID: 3C7CC5F97FB552AFBB-8068
    
    3 Faults Found:
    00562 - Sensor for Oil Level/Temperature (G266) 
                007 - Short to Ground
                 Freeze Frame:
                        Fault Status: 00000011
                        Fault Priority: 6
                        Fault Frequency: 2
                        Reset counter: 178
                        Mileage: 237118 km
                        Time Indication: 0
                        Date: 2019.11.27
                        Time: 00:01:33
    
    00381 - Databus Instrument Cluster 
                014 - Defective
                 Freeze Frame:
                        Fault Status: 00000011
                        Fault Priority: 1
                        Fault Frequency: 2
                        Reset counter: 178
                        Mileage: 0 km
                        Time Indication: 0
    
    00003 - Control Module 
                014 - Defective
                 Freeze Frame:
                        Fault Status: 00000011
                        Fault Priority: 1
                        Fault Frequency: 1
                        Reset counter: 255
                        Mileage: 150981 km
                        Time Indication: 0
                        Date: 2013.01.21
                        Time: 14:58:48
    
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway        Labels:. 1K0-907-530-V1.clb
       Part No SW: 1K0 907 530 B    HW: 1K0 907 951 
       Component: Gateway         H08 0090  
       Revision: 08          Serial number: 2400103721A350
       Coding: 3D0F0B42070101
       Shop #: WSC 06435 000 00000
       VCID: 264807919139F87FFD-8072
    
    8 Faults Found:
    01304 - Radio 
                004 - No Signal/Communication
                 Freeze Frame:
                        Fault Status: 01100100
                        Fault Priority: 2
                        Fault Frequency: 254
                        Reset counter: 178
                        Mileage: 235903 km
                        Time Indication: 0
                        Date: 2019.11.01
                        Time: 09:06:31
    
    00470 - Company Comfort Databus in Single Wire 
                011 - Open Circuit - Intermittent
                 Freeze Frame:
                        Fault Status: 00101011
                        Fault Priority: 3
                        Fault Frequency: 15
                        Reset counter: 208
                        Mileage: 236058 km
                        Time Indication: 0
                        Date: 2019.11.06
                        Time: 17:00:10
    
    01314 - Engine Control Module 
                004 - No Signal/Communication - Intermittent
                 Freeze Frame:
                        Fault Status: 00100100
                        Fault Priority: 2
                        Fault Frequency: 24
                        Reset counter: 218
                        Mileage: 237058 km
                        Time Indication: 0
                        Date: 2019.11.27
                        Time: 06:50:49
    
    00778 - Steering Angle Sensor (G85) 
                004 - No Signal/Communication - Intermittent
                 Freeze Frame:
                        Fault Status: 00100100
                        Fault Priority: 2
                        Fault Frequency: 31
                        Reset counter: 218
                        Mileage: 237058 km
                        Time Indication: 0
                        Date: 2019.11.27
                        Time: 06:50:49
    
    01321 - Control Module for Airbags (J234) 
                004 - No Signal/Communication - Intermittent
                 Freeze Frame:
                        Fault Status: 00100100
                        Fault Priority: 2
                        Fault Frequency: 254
                        Reset counter: 218
                        Mileage: 237058 km
                        Time Indication: 0
                        Date: 2019.11.27
                        Time: 06:50:49
    
    01309 - Power Steering Control Module (J500) 
                004 - No Signal/Communication - Intermittent
                 Freeze Frame:
                        Fault Status: 00100100
                        Fault Priority: 2
                        Fault Frequency: 17
                        Reset counter: 217
                        Mileage: 237058 km
                        Time Indication: 0
    
    01312 - Powertrain Data Bus 
                014 - Defective - Intermittent
                 Freeze Frame:
                        Fault Status: 00101110
                        Fault Priority: 1
                        Fault Frequency: 1
                        Reset counter: 217
                        Mileage: 237058 km
                        Time Indication: 0
                        Date: 2019.11.27
                        Time: 11:33:42
    
    01316 - ABS Control Module 
                004 - No Signal/Communication - Intermittent
                 Freeze Frame:
                        Fault Status: 00100100
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 217
                        Mileage: 237058 km
                        Time Indication: 0
                        Date: 2019.11.27
                        Time: 11:35:14
    
    
    -------------------------------------------------------------------------------
    Address 25: Immobilizer        Labels: 1K0-920-xxx-25.clb
       Part No SW: 8P0 920 980 H    HW: 8P0 920 980 H
       Component: KOMBIINSTR. VDO H25 0080  
       Revision: D05         Serial number: AUX7Z0C6FNT0DV
       Shop #: WSC 00762 210 91493
       VCID: 3C7CC5F97FB552AFBB-8068
    
    1 Fault Found:
    01176 - Key 
                008 - Implausible Signal - Intermittent
    
    -------------------------------------------------------------------------------
    Address 42: Door Elect, Driver        Labels: 8P0-959-801-MIN1.lbl
       Part No: 8P0 959 801 A
       Component: Tuersteuerger.  H10 0010  
       Coding: 0000048
       Shop #: WSC 06435 000 00000
       VCID: 3972DCED70876787A0-806C
    
    1 Fault Found:
    01811 - Supply Voltage for Door Controller; Drivers Side (J386) 
                002 - Lower Limit Exceeded - Intermittent
    
    -------------------------------------------------------------------------------
    Address 44: Steering Assist        Labels: 1Kx-909-143-GEN1.clb
       Part No: 1K1 909 143 L
       Component: EPS_ZFLS Kl.7       0402  
       Shop #: WSC 00000 000 00000
       VCID: 336EEEC552EB9DD76A-8066
    
    5 Faults Found:
    00625 - Vehicle Speed Signal 
                004 - No Signal/Communication - Intermittent - MIL ON
                 Freeze Frame:
                        Mileage: 7080 km
                        Temperature: 8.0C
                        Voltage: 8.20 V
                        Voltage: 12.20 V
    
    00778 - Steering Angle Sensor (G85) 
                004 - No Signal/Communication - Intermittent
                 Freeze Frame:
                        Mileage: 7040 km
                        Temperature: 9.0C
                        Voltage: 12.40 V
                        Voltage: 12.20 V
    
    00750 - Warning Lamp 
                013 - Check DTC Memory - Intermittent
                 Freeze Frame:
                        Mileage: 7040 km
                        Temperature: 9.0C
                        Voltage: 12.40 V
                        Voltage: 12.20 V
    
    01314 - Engine Control Module 
                004 - No Signal/Communication - Intermittent - MIL ON
                 Freeze Frame:
                        Mileage: 7040 km
                        Temperature: 9.0C
                        Voltage: 12.40 V
                        Voltage: 12.10 V
    
    00573 - Steering Torque Sensor (G269) 
                012 - Electrical Fault in Circuit
                 Freeze Frame:
                        Mileage: 7080 km
                        Torque: 10.0 Nm
    
    
    -------------------------------------------------------------------------------
    Address 46: Central Conv.        Labels: 8P0-959-433.lbl
       Part No: 8P0 959 433 
       Component:    KSG          H02 0040  
       Coding: 188800186D288505485AC63000
       Shop #: WSC 00186 785 00200
       VCID: 79F21CED3007A787E0-802C
    
       Subsystem 1 - Component:   Sounder No Answer     
    
       Subsystem 2 - Component:       NGS No Answer     
    
       Subsystem 3 - Component:      IRUE No Answer     
    
    6 Faults Found:
    01135 - Interior Monitoring Sensors 
                004 - No Signal/Communication
    00323 - Vehicle Inclination Sensor (G384) 
                004 - No Signal/Communication
    01134 - Alarm Horn (H12) 
                004 - No Signal/Communication
    00668 - Supply Voltage Terminal 30 
                002 - Lower Limit Exceeded - Intermittent
    00849 - S-contact at Ignition/Starter Switch (D) 
                008 - Implausible Signal - Intermittent
    01179 - Incorrect Key Programming 
                000 - - - Intermittent
    
    -------------------------------------------------------------------------------
    Address 47: Sound System        Labels: 8Px-035-382.lbl
       Part No SW: 8P3 035 382     HW: 8P3 035 382 
       Component: AB2 SUBWOOFERBOXH23 0100  
       Revision: 00001       Serial number: 10000001041884
       Shop #: WSC 00000 000 00000
       VCID: 70E421C9637DE6CF57-8024
    
    2 Faults Found:
    00532 - Supply Voltage B+ 
                002 - Lower Limit Exceeded - Intermittent
                 Freeze Frame:
                        Fault Status: 00100010
                        Fault Priority: 7
                        Fault Frequency: 2
                        Reset counter: 218
                        Mileage: 237082 km
                        Time Indication: 0
                        Date: 2063.15.31
                        Time: 31:63:63
    
                 Freeze Frame:
                        Temperature: 4.0C
                        Raw, Form. N/A: 000 000 000
                        Raw, Form. N/A: 000 000 000
                        Raw, Form. N/A: 000 000 000
                        Raw, Form. N/A: 000 000 000
                        Raw, Form. N/A: 000 000 000
                        Raw, Form. N/A: 000 000 000
                        Raw, Form. N/A: 000 000 000
    
    00446 - Function Limitation due to Under-Voltage 
                002 - Lower Limit Exceeded - Intermittent
                 Freeze Frame:
                        Fault Status: 00100010
                        Fault Priority: 7
                        Fault Frequency: 2
                        Reset counter: 218
                        Mileage: 237082 km
                        Time Indication: 0
                        Date: 2063.15.31
                        Time: 31:63:63
    
                 Freeze Frame:
                        Temperature: 4.0C
                        Raw, Form. N/A: 000 000 000
                        Raw, Form. N/A: 000 000 000
                        Raw, Form. N/A: 000 000 000
                        Raw, Form. N/A: 000 000 000
                        Raw, Form. N/A: 000 000 000
                        Raw, Form. N/A: 000 000 000
                        Raw, Form. N/A: 000 000 000
    
    
    -------------------------------------------------------------------------------
    Address 52: Door Elect, Pass.        Labels: 8P0-959-802-MIN1.lbl
       Part No: 8P0 959 802 A
       Component: Tuersteuerger.  H10 0010  
       Coding: 0000048
       Shop #: WSC 06435 000 00000
       VCID: 3A70C3E175816C9FA9-806E
    
    1 Fault Found:
    01812 - Supply Voltage for Door Controller; Pass. Side (J387) 
                002 - Lower Limit Exceeded - Intermittent
    
    -------------------------------------------------------------------------------
    Address 56: Radio
    Cannot be reached
    
    -------------------------------------------------------------------------------
    Address 7D: Aux. Heat        Labels: 1K0-963-235.lbl
       Part No SW: 1K0 963 235 C    HW: 1K0 963 235 C
       Component: PTC-Element         0404  
       Revision: 00600000    Serial number:               
       Shop #: WSC 00000 000 00000
       VCID: 2B5EF6A58ADBC51722-807E
    
    1 Fault Found:
    00361 - Heater Element for Auxiliary Heater (Z35) 
                014 - Defective
    
    End-------------------------(Elapsed Time: 01:58)--------------------------
    Last edited by Uwe; 12-02-2019 at 07:17 PM. Reason: CODE tags

  9. #7
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    I have pulled the engine fuse box stripped down and found moisture and some green corrosion. Cleaned and soaked in wd40 seems to be ok at min

  10. #8
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    Oh dear. Try and locate the source of the water leak and plug that too.

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