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Thread: CAN BUS - Battery Drain - HELP!!

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  1. Re: CAN BUS - Battery Drain - HELP!! 
    #31
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    They feed a lot of things via other fuses. See if fuses 40, 41, 46, 48, and 49 in the cabin have any effect.
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  2. Re: CAN BUS - Battery Drain - HELP!! 
    #32
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    I checked all the fuses inside as well and no drops. I can check them again?
     
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  3. Re: CAN BUS - Battery Drain - HELP!! 
    #33
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    Quote Originally Posted by iwadee View Post
    I checked all the fuses inside as well and no drops. I can check them again?

    Let's try and avoid that then.

    For completeness in case it helps spot something, what is the engine code (usually on a sticker on passenger side door frame, like AZV) and is it 2- or 4-door?

    Seems strange you have to pull them both to eliminate drain as they feed pretty different things. The common thing is that they run to the supply control unit under the dash, and from there to supply various equipment either directly or via smaller fuses. If that unit has had water in it or damaged cables both paths could be leaking due to a common cause.

    As a sanity check when fuse 25 is in place you should get 12V on the supply side of each of the fuses listed above: 40, etc. Set MM to 20V, ensure leads are plugged in to match, put -ve probe onto somewhere earthed (bare screw head under seat or "liner" of cigarette socket) and +ve probe to fuse holder (you'll probably find slot 48 is empty but has a piece of metal on one side - use that). Do you see 12V? Then pull fuse 25 and see if the 12V goes away. If so the we're looking at the correct wiring diagrams .

    Pulling all those fuses listed above is then the same as pulling fuse 25. If it doesn't also make current drop to zero I think you have a problem in that supply control unit area. Are you aware of water ever getting in around the steering wheel side?
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  4. Re: CAN BUS - Battery Drain - HELP!! 
    #34
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    Hi VAG-Abound (and others!)

    Apologies for the delayed response. It's a BKD engine and it's a 4 door (2005, 2.0TDI).

    I've not had any water damage that I know of or coming in near the steering wheel. Over the weekend, I did remove an audio type device that I'd fitted a few years ago, it allowed me to play USB, MicroSD etc. Never had a problem with it, but thought I'd remove it anyway if I'll be getting rid of the car soon. I'll post a picture of the cable that came out of the console once I'd finished.

    The only work I've had done done on the driver side in recent years is the window needed replacing as it just stopped dead one day and would go up. Once the window was replaced, it was never quite the same or as smooth going up/down as before and weirdly the door also dropped a few mm, enough to spot. Took it back to the mechanic several times, but he couldn't fix it.

    I'm digressing, I will try what you suggested with the fuses listed and see what happens. After that I'm ready to throw in the towel :-(
     
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  5. Re: CAN BUS - Battery Drain - HELP!! 
    #35
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    Quote Originally Posted by iwadee View Post
    Hi VAG-Abound (and others!)

    Apologies for the delayed response. It's a BKD engine and it's a 4 door (2005, 2.0TDI).

    I've not had any water damage that I know of or coming in near the steering wheel. Over the weekend, I did remove an audio type device that I'd fitted a few years ago, it allowed me to play USB, MicroSD etc. Never had a problem with it, but thought I'd remove it anyway if I'll be getting rid of the car soon. I'll post a picture of the cable that came out of the console once I'd finished.

    The only work I've had done done on the driver side in recent years is the window needed replacing as it just stopped dead one day and would go up. Once the window was replaced, it was never quite the same or as smooth going up/down as before and weirdly the door also dropped a few mm, enough to spot. Took it back to the mechanic several times, but he couldn't fix it.

    I'm digressing, I will try what you suggested with the fuses listed and see what happens. After that I'm ready to throw in the towel :-(
    This was interesting, have you given up or are you still trying to tackle it?
     
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  6. Re: CAN BUS - Battery Drain - HELP!! 
    #36
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    I've more or less given up :-(
    Just need to remove the full tank of fuel I filled up before the car really started dying....to make matters worse, I fired the car up over the weekend and left it running for a while, to then be greeted with a pool of coolant on the floor....*argh* that's never happened before.

    Once the fuel is out, I'll be selling it for spares, or a project or worse case the scrap
     
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  7. Re: CAN BUS - Battery Drain - HELP!! 
    #37
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    I was saying above that those two engine fuses feed different parts of the car via the shared control box. Did you look in there to see if there were signs of corrosion, dead mouse, etc? Did we try pulling each relay to see what was happening on its switching and supply side?
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  8. Re: CAN BUS - Battery Drain - HELP!! 
    #38
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    I never give up, they have to drag me away kicking a screaming from the car clutching lap top and multimeter... I am fighting nightmare CAN BUS issues on a 2015 Altea at the moment. This computer aided diagnosis is all well and good but if the modelus won't talk or give nonsensical codes they it's a sketch. I mean, look at this report; half the devices VCDS says are OK don't even communicate and ODIS would have none of it.

    Code:
                                         VCDS
               Windows Based VAG/VAS Emulator Running on Windows 7 x86
            VCDS Version: Release 20.4.2    Data version: 20200730 DS317.0
                                  www.Ross-Tech.com
                          Dealer/Shop Name: C&R Enterprises
                           Workshop Code: 210 01523 000002
                                  Self-Diagnosis Log
                         Friday,21,August,2020,09:39:13:16454
                   VIN: VSSZZZ5PZFR******   License Plate: 
                  Mileage: 44630km-27731mi   Repair Order: Full scan
    
        Chassis Type: 5P-SE35 (7N0)
    
        Scan: 01 03 08 09 10 15 16 17 19 25 2E 37 42 44 46 52 56 61 62 72
                
        VIN: VSSZZZ5PZFR011914   Mileage: 44630km-27731miles
    
        01-Engine -- Status: Malfunction 0010
        03-ABS Brakes -- Status: Malfunction 0010
        04-Steering Angle -- Status: OK 0000
        08-Auto HVAC -- Status: OK 0000
        09-Cent. Elect. -- Status: OK 0000
        10-Park/Steer Assist -- Status: Malfunction 0010
        15-Airbags -- Status: Malfunction 0010
        16-Steering wheel -- Status: OK 0000
        17-Instruments -- Status: Malfunction 0010
        19-CAN Gateway -- Status: Malfunction 0010
        25-Immobilizer -- Status: OK 0000
        2E-Media Player 3 -- Status: Malfunction 0010
        37-Navigation -- Status: Malfunction 0010
        42-Door Elect, Driver -- Status: OK 0000
        44-Steering Assist -- Status: OK 0000
        46-Central Conv. -- Status: OK 0000
        52-Door Elect, Pass. -- Status: OK 0000
        56-Radio -- Status: OK 0000
        61-Battery Regul. -- Status: OK 0000
        62-Door, Rear Left -- Status: OK 0000
        72-Door, Rear Right -- Status: OK 0000
        ---------------------------------------------------------------------
        Address 01: Engine (J623-CAYC)       Labels:. 03L-906-023-CAY.clb
           Part No SW: 03L 997 558 F    HW: 03L 906 023 KL
           Component: R4 1.6l TDI   H43 9982  
           Revision: --H43---    Serial number:               
           Coding: 00114036032501080000
           Shop #: WSC 00049 770 00126
           ASAM Dataset: EV_ECM16TDI02103L997558F 003003
           ROD: GV_ECM16TDI021PQ36.rod
           VCID: 40CC49CFDBC3858653-8014
        7 Faults Found:
        6056 - No Communications with HVAC Control Module (J301) 
                  U0164 00 [047] - -
                  Confirmed - Tested Since Memory Clear
                        Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 6
                        Fault Frequency: 11
                        Mileage: 44613 km
                        Date: 2020.08.20
                        Time: 00:00:46
                        Engine speed: 0.00 /min
                        Normed load value: 0.0 %
                        Vehicle speed: 0 km/h
                        Coolant temperature: 19 °C
                        Intake air temperature: 20 °C
                        Ambient air pressure: 990 mbar
                        Voltage terminal 30: 14.231 V
                        Unlearning counter according OBD: 40
                        Driver request torque-TQI_DRIV_SUB: 0.00 Nm
                        Control Module temperature-TECU: 27 °C
        6082 - Steering Column Control Module 
                  U0212 00 [047] - No Communications
                  Confirmed - Tested Since Memory Clear
                        Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 6
                        Fault Frequency: 11
                        Mileage: 44613 km
                        Date: 2020.08.20
                        Time: 00:00:46
                        Engine speed: 0.00 /min
                        Normed load value: 0.0 %
                        Vehicle speed: 0 km/h
                        Coolant temperature: 19 °C
                        Intake air temperature: 20 °C
                        Ambient air pressure: 990 mbar
                        Voltage terminal 30: 13.327 V
                        Unlearning counter according OBD: 40
        7318 - Body Control Module (Central Electric) 
                  U0140 00 [047] - No Communications
                  Confirmed - Tested Since Memory Clear
                        Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 6
                        Fault Frequency: 1
                        Mileage: 44613 km
                        Date: 2020.08.20
                        Time: 00:01:43
                        Engine speed: 799.50 /min
                        Normed load value: 28.6 %
                        Vehicle speed: 0 km/h
                        Coolant temperature: 20 °C
                        Intake air temperature: 19 °C
                        Ambient air pressure: 990 mbar
                        Voltage terminal 30: 13.214 V
                        Unlearning counter according OBD: 40
                        Driver request torque-TQI_DRIV_SUB: 0.00 Nm
                        Control Module temperature-TECU: 28 °C
        7319 - Body Control Module (Central Electric) 
                  U0140 00 [047] - No Communications
                  Confirmed - Tested Since Memory Clear
                        Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 6
                        Fault Frequency: 1
                        Mileage: 44613 km
                        Date: 2020.08.20
                        Time: 00:01:40
                        Engine speed: 822.75 /min
                        Normed load value: 30.2 %
                        Vehicle speed: 0 km/h
                        Coolant temperature: 19 °C
                        Intake air temperature: 19 °C
                        Ambient air pressure: 990 mbar
                        Voltage terminal 30: 11.972 V
                        Unlearning counter according OBD: 40
                        Driver request torque-TQI_DRIV_SUB: 0.00 Nm
                        Control Module temperature-TECU: 27 °C
        7455 - Door Control Module - Driver's Door 
                  U0199 00 [047] - No Communications
                  Confirmed - Tested Since Memory Clear
                        Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 6
                        Fault Frequency: 2
                        Mileage: 44613 km
                        Date: 2020.08.20
                        Time: 00:00:46
                        Engine speed: 0.00 /min
                        Normed load value: 0.0 %
                        Vehicle speed: 0 km/h
                        Coolant temperature: 19 °C
                        Intake air temperature: 20 °C
                        Ambient air pressure: 990 mbar
                        Voltage terminal 30: 14.231 V
                        Unlearning counter according OBD: 40
                        Driver request torque-TQI_DRIV_SUB: 0.00 Nm
                        Control Module temperature-TECU: 27 °C
        11831 - Function Restricted due to Missing Message(s) 
                  U1111 00 [047] - -
                  Confirmed - Tested Since Memory Clear
                        Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 6
                        Fault Frequency: 2
                        Mileage: 44613 km
                        Date: 2020.08.20
                        Time: 00:00:46
                        Engine speed: 0.00 /min
                        Normed load value: 0.0 %
                        Vehicle speed: 0 km/h
                        Coolant temperature: 19 °C
                        Intake air temperature: 20 °C
                        Ambient air pressure: 990 mbar
                        Voltage terminal 30: 14.231 V
                        Unlearning counter according OBD: 40
        10457 - Control Circuit for Starter Relay 2 
                  P3049 00 [038] - Open Circuit
                  Intermittent - Not Confirmed - Tested Since Memory Clear
                        Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 2
                        Fault Frequency: 1
                        Mileage: 44632 km
                        Date: 2020.08.21
                        Time: 01:05:50
                        Engine speed: 780.75 /min
                        Normed load value: 29.4 %
                        Vehicle speed: 0 km/h
                        Coolant temperature: 83 °C
                        Intake air temperature: 35 °C
                        Ambient air pressure: 980 mbar
                        Voltage terminal 30: 13.440 V
                        Unlearning counter according OBD: 40
                        Engine speed: 781 /min
                        Vehicle speed: 0 km/h
                        Battery voltage: 13.4 V
                        Status of starter activation-FRF_ST_RL: 1
                        Sensor for engine block temperature: raw value       
                        Coolant temperature
                        Number of resets of main unit-CTR_RST_MC: 0
        Readiness: 0 0 0 0 0 
    -------------------------------------------------------------------------
        Address 03: ABS Brakes (J104)       Labels:. 1K0-907-379-60EC1F.clb
           Part No SW: 1K0 907 379 BS    HW: 1K0 907 379 BS
           Component: ESP MK60EC1   H46 0166  
           Revision: 00H46001    
           Coding: 233F4012092300FBC41402E5901D0091A1000021
           Shop #: WSC 00049 770 00126
           VCID: 044485DF875B59A637-8050
        3 Faults Found:
        00668 - Supply Voltage Terminal 30 
                002 - Lower Limit Exceeded - Intermittent
                        Freeze Frame:
                        Fault Status: 00100010
                        Fault Priority: 1
                        Fault Frequency: 1
                        Reset counter: 53
                        Mileage: 44613 km
                        Time Indication: 0
                        Date: 2020.08.20
                        Time: 13:24:13
                        Freeze Frame:
                        Count: 7
                        Count: 15
                        Count: 4608
                        Count: 128
                        Count: 27136
                        Count: 0
                        Count: 0
                        Count: 0
        01325 - Control Module for Tire Pressure Monitoring (J502) 
                004 - No Signal/Communication - Intermittent
                        Freeze Frame:
                        Fault Status: 00100100
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 54
                        Mileage: 44613 km
                        Time Indication: 0
                        Date: 2020.08.19
                        Time: 20:52:04
    N                   Freeze Frame:
                        Count: 2
                        Count: 14
                        Count: 4608
                        Count: 16390
                        Count: 41728
                        Count: 0
                        Count: 0
                        Count: 0
     
        00457 - Central Electronics Control Module / BCM (J519) 
                008 - Implausible Signal
                        Freeze Frame:
                        Fault Status: 01101000
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 13
                        Mileage: 44613 km
                        Time Indication: 0
                        Date: 2020.08.19
                        Time: 20:52:07
                        Freeze Frame:
                        Count: 0
                        Count: 14
                        Count: 4608
                        Count: 8262
                        Count: 41728
                        Count: 0
                        Count: 0
                        Count: 0
    -------------------------------------------------------------------------
        Address 08: Auto HVAC
        Cannot be reached
    -------------------------------------------------------------------------
        Address 09: Cent. Elect.
        Cannot be reached
    -------------------------------------------------------------------------
        Address 10: Park/Steer Assist (J446)       Labels:. 3C8-919-475.clb
           Part No SW: 5P0 919 475 C    HW: 8P0 919 475 N
           Component: PARKHILFE 8K  H08 0008  
           Revision: --------    Serial number: 12531433900130
           Coding: 100002
           Shop #: WSC 00049 770 00126
           VCID: 3B363E23BA25E65E06-806E
        4 Faults Found:
        01543 - Parking Aid Warning Chime (H15) 
                009 - Open or Short to Ground - Intermittent
                 Freeze Frame:
                        Fault Status: 00101001
                        Fault Priority: 3
                        Fault Frequency: 3
                        Reset counter: 55
                        Mileage: 0 km
                        Time Indication: 0
                        Freeze Frame:
                        Temperature: 17.0°C
        01625 - Front Parking Aid Warning Chime (H22) 
                009 - Open or Short to Ground - Intermittent
                 Freeze Frame:
                        Fault Status: 00101001
                        Fault Priority: 3
                        Fault Frequency: 3
                        Reset counter: 55
                        Mileage: 0 km
                        Time Indication: 0
                        Freeze Frame:
                        Temperature: 17.0°C
        00446 - Function Limitation due to Under-Voltage 
                002 - Lower Limit Exceeded - Intermittent
                 Freeze Frame:
                        Fault Status: 00100010
                        Fault Priority: 6
                        Fault Frequency: 2
                        Reset counter: 53
                        Mileage: 44613 km
                        Time Indication: 0
                        Date: 2020.08.20
                        Time: 13:23:58
                        Freeze Frame:
                        Temperature: 21.0°C
        00466 - Control Module for Steering Column Electronics (J527) 
                004 - No Signal/Communication
                        Freeze Frame:
                        Fault Status: 01100100
                        Fault Priority: 6
                        Fault Frequency: 1
                        Reset counter: 13
                        Mileage: 44613 km
                        Time Indication: 0
                        Date: 2020.08.19
                        Time: 20:52:04
                        Freeze Frame:
                        Temperature: 20.0°C
    -------------------------------------------------------------------------
        Address 15: Airbags        Labels: 1K0-909-605.lbl
           Part No SW: 1K0 909 605 T    HW: 1K0 909 605 T
           Component: 0Z AIRBAG VW8   020 2300  
           Revision: 05020000    Serial number: 0038PD308DVI  
           Coding: 0012378
           Shop #: WSC 00049 770 00126
           VCID: 3D32303B6431E86E38-8068
           Subsystem 1 - Serial number: 6332MSME4A6A1722D
           Subsystem 2 - Serial number: 6342MSME4A6A1449K
           Subsystem 3 - Serial number: 6351HSME304E47458
           Subsystem 4 - Serial number: 6361HSME304E42454
        1 Fault Found:
        00532 - Supply Voltage B+ 
                002 - Lower Limit Exceeded - Intermittent
    -------------------------------------------------------------------------
        Address 16: Steering wheel
        Cannot be reached
    -------------------------------------------------------------------------
        Address 17: Instruments (J285)       Labels:* 1K0-920-xxx-17.lbl-SRI1
           Part No SW: 5P0 920 950 B    HW: 5P0 920 950 B
           Component: KOMBI         H02 0905  
           Serial number: 00000000000000
           Coding: 410B01
           Shop #: WSC 00049 770 00106
           ASAM Dataset: EV_Kombi_UDS_VDD_RM09 A04727
           ROD: EV_Kombi_UDS_VDD_RM09_SK46.rod
           VCID: 302C190F6B631506A3-8064
        4 Faults Found:
        12664832 - Function Restricted due to Missing Message(s) 
                  U1111 00 [009] - -
                  [Steuergerät für BCM / Bordnetz / el. ZE: keine 
                  Kommunikation]
                  Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 6
                        Fault Frequency: 1
                        Reset counter: 13
                        Mileage: 44613 km
                        Date: 2020.08.19
                        Time: 20:54:06
        12718592 - Function Restricted due to Missing Message(s) 
                  U1111 00 [009] - -
                  [Steuergerät für Lenksäulenelektronik: keine Kommunikation]
                  Confirmed - Tested Since Memory Clear
                        Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 6
                        Fault Frequency: 23
                        Reset counter: 16
                        Mileage: 44613 km
                        Date: 2020.08.19
                        Time: 20:54:06
        13631488 - Function Restricted due to Missing Message(s) 
                  U1111 00 [009] - -
                  [Steuergerät für Komfortsysteme: keine Kommunikation]
                  Confirmed - Tested Since Memory Clear
                        Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 6
                        Fault Frequency: 22
                        Reset counter: 16
                        Mileage: 44613 km
                        Date: 2020.08.19
                        Time: 20:54:06
        13635840 - Supply voltage 
                  U1011 00 [008] - Voltage too Low
                  [Supply voltage too low]
                  Intermittent - Confirmed - Tested Since Memory Clear
                        Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 6
                        Fault Frequency: 9
                        Reset counter: 55
                        Mileage: 44613 km
                        Date: 2020.08.19
                        Time: 23:09:57
    -------------------------------------------------------------------------
        Address 19: CAN Gateway (J533)       Labels:. 7N0-907-530-V2.clb
           Part No SW: 7N0 907 530 AQ    HW: 7N0 907 530 AL
           Component: J533  Gateway H58 1653  
           Revision:   H58       Serial number: 081214F1002090
           Coding: 352203
           Shop #: WSC 00049 770 00126
           VCID: 7F4E0A33EEBD3A7E6A-802A
        2 Faults Found:
        01336 - Company Data Bus for Comfort System 
                014 - Defective
                 Freeze Frame:
                        Fault Status: 01101110
                        Fault Priority: 1
                        Fault Frequency: 1
                        Reset counter: 255
                        Mileage: 44613 km
                        Time Indication: 0
                        Date: 2020.08.20
                        Time: 14:34:13
        00532 - Supply Voltage B+ 
                002 - Lower Limit Exceeded - Intermittent
                 Freeze Frame:
                        Fault Status: 00100010
                        Fault Priority: 3
                        Fault Frequency: 6
                        Reset counter: 55
                        Mileage: 44613 km
                        Time Indication: 0
                        Date: 2020.08.20
                        Time: 14:45:42
    -------------------------------------------------------------------------
        Address 25: Immobilizer (J334)       Labels:| 5K0-920-xxx-25.clb
           Part No SW: 5K0 953 234     HW: 5K0 953 234 
           Component: IMMO          H02 0905  
           Serial number:               
           Coding: 000000
           Shop #: WSC 00000 000 00000
           ASAM Dataset: EV_Immo_UDS_VDD_RM09 A03710
           ROD: EV_Immo_UDS_VDD_RM09_VW31.rod
           VCID: 6A98CB678D3FAFD6AD-803E
        No fault code found.
    -------------------------------------------------------------------------
        Address 2E: Media Player 3
        Cannot be reached
    -------------------------------------------------------------------------
        Address 37: Navigation (J794)       Labels:| 1K0-035-27x-37.clb
           Part No SW: 5P0 035 192 H    HW: 5P0 035 192 H
           Component: RNS315-EU   H85 0501  
           Serial number: SEZAZ2P0608483
           Coding: 040004010404000000000002
           Shop #: WSC 00049 770 00106
           ASAM Dataset: EV_RNS315EUV2UDS 001705
           ROD: EV_RNS315EUV2UDS.rod
           VCID: 312A1C0B60691C0EAC-8064
           Data medium: 
           Subsystem 1 - Part No: 3AA 919 866 
           Component: EUR_W_V7  0066 
        2 Faults Found:
        1048578 - Supply voltage 
                  U1011 00 [008] - Voltage too Low
                  [supply voltage lower limit exceeded]
                  Intermittent - Confirmed - Tested Since Memory Clear
                        Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 3
                        Fault Frequency: 9
                        Reset counter: 55
                        Mileage: 44613 km
                        Date: 2020.08.19
                        Time: 23:10:28
        1048580 - Function Restricted due to Insufficient Voltage 
                  U1400 00 [008] - -
                  [restriction due to under voltage]
                  Intermittent - Confirmed - Tested Since Memory Clear
                        Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 6
                        Fault Frequency: 8
                        Reset counter: 55
                        Mileage: 44613 km
                        Date: 2020.08.19
                        Time: 16:42:38
    -------------------------------------------------------------------------
        Address 42: Door Elect, Driver
        Cannot be reached
    -------------------------------------------------------------------------
        Address 44: Steering Assist        Labels: 1K0-909-14x-GEN3.clb
           Part No: 1K0 909 144 R
           Component: EPS_ZFLS Kl. 65     3501  
           Revision: 00H22000    
           Shop #: WSC 00049 770 00126
           VCID: 393A242B7019D44E14-806C
        No fault code found.
    -------------------------------------------------------------------------
        Address 46: Central Conv.
        Cannot be reached
    -------------------------------------------------------------------------
        Address 52: Door Elect, Pass.
        Cannot be reached
    -------------------------------------------------------------------------
        Address 61: Battery Regul. (J840)       Labels:. 1K0-907-534.clb
           Part No SW: 7N0 907 534     HW: 7N0 907 530 AL
           Component: Batt.regelung H58 1653  
           Serial number: 081214F1002090
           Coding: 030F185A
           Shop #: WSC 00049 770 00126
           VCID: 71AADC0BA8E95C0EEC-8024
           Subsystem 1 - Part No SW: 1K0 915 181 H    HW: 1K0 915 181 A
           Component: J367-BDM  H07 0180 
           Serial number: 41344825511491186872
        No fault code found.
    -------------------------------------------------------------------------
        Address 62: Door, Rear Left
        Cannot be reached
    -------------------------------------------------------------------------
        Address 72: Door, Rear Right
        Cannot be reached
    End----------(Elapsed Time: 00:50, VBatt start/end: 14.0V/14.0V)---------
    So far, new AGM battery, power relays, central electrics system and CAN BUS-no different... I can't even get into the central electrics to code it!
    If you care about the future of the planet, read this and watch the video

    https://www.bosch.com/stories/synthetic-fuels



    "I disapprove of what you say, but I will defend to the death your right to say it"

    Evelyn Beatrice Hall (1868-1956)
     
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  9. Re: CAN BUS - Battery Drain - HELP!! 
    #39
    Join Date
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    That's madness!! Way beyond my level of jiggery pokery. Your car is 5yrs old and 28k on the clock and mine is 15 with 175K on the clock!
    I just don't have the time to keep messing around with it, is the honest truth and need a car for work (out of town), not working from home in this Covid madness.

    Normally I'll do whatever I can, but it's time vs money too.
    @ VAG-Abound - Shared control box (blonde moment....I don't know where that is?!) and I've pulled the relays from under the bonnet and fuses from next to the steering wheel to check for current drops, but that's it. Not done anything else.

    You're more than happy to take it off my hands :-)
     
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  10. Re: CAN BUS - Battery Drain - HELP!! 
    #40
    Join Date
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    Nottingham, England
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    Not my car, a customers. Eventually I took note of the event he related to me when it went wrong, that he saw smoke come out of the passengers front door lock. When I stripped it down I found this



    From what I could see the harness had been trapped between the window guide and the door shell and the conduit guide which is supposed to prevent this was not clipped into the door shell... I think this is a manufacturers game defect from new. That this can happen by human error is understandable, people screw up, but quality control not picking it up is much less acceptable. What is wholly unacceptable is that this fault can completely shut the cars electrics down leaving only the engine running with hazards, headlights and radio the only things working. The CAN BUS and body control module were damaged by battery voltage going up the CAN wiring and his bill around £1100.

    I called Seat customers services to see if they were interested in seeing pictures and they did not want to know or be able to tell me who would be so I am compiling a ministry defect report.
    If you care about the future of the planet, read this and watch the video

    https://www.bosch.com/stories/synthetic-fuels



    "I disapprove of what you say, but I will defend to the death your right to say it"

    Evelyn Beatrice Hall (1868-1956)
     
    0 0 0
     

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