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Thread: VW Caravelle T5 2013 cranking but not starting

  1. #1
    Junior Member
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    May 2019
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    VW Caravelle T5 2013 cranking but not starting

    Hi everyone

    I'm in need of some expert advice. Over the past 8 months we've had an intermittent starting problem with our 2013 Caravelle T5 2.0 TDI.

    When I turn the key the van cranks, starts and then cuts out within a second. When I try again none of the main console lights light up but the van cranks, starts and cuts out again after one second. This problem continues with no lights on the dashboard but the same pattern of engine cutting out after one second.

    I've had the AA out four times over the last eight months and they've always managed to get the van going again apart from today.

    For the first three AA visits they've managed to clear down the errors from the ECU and that's enabled us to re-start the van.

    However today's fault when they've run VAG diagnostics "Engine control 1 - VE3 / Diesel EDC 17CP20 UDS Status :P157000 - Engine control unit disabled. Error Message : Component disabled. Static fault.possible loss of feed to ignition relay" we haven't been able to clear and the van still cannot start.

    Any advice on this error would be great. I've tried removing the fuse for the dash-display. Disconnecting the battery and draining the power, and the AA have tried to clear error messages on with their VAG.

    Thanks hopefully


  2. #2
    Administrator Keithuk's Avatar
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    Jun 2012
    Stoke on Trent
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    VE3 / Diesel EDC 17CP20 UDS Status :P157000

    There are to many 00 in that error code.

    VAG Error Code: 17978/15072/6260/5523/005488
    EOBD II Error Code: P1570

    Fault Location:
    Engine Start Blocked by Immobilizer - Intermittent

    Possible Cause:
    Malfunction Indicator Lamp (MIL)(K83) active.
    Immobilizer Warning Lamp ON.
    Engine starting but stalling immediately.

    Key(s) not matched.
    Instrument Cluster not matched.
    Engine Control Module (ECM) not matched.
    Engine Control Module (ECM) Power Supply faulty.

    Possible Solutions:
    Check for Fault Codes in Immobilizer itself (part of Instrument Cluster in many cars, but separate Immobilizer Control Module in some).
    Check Immobilizer Measuring Value Blocks (MVB) (usually in Instrument Cluster or Immobilizer Control Module).
    Match Key(s)/Instrument Cluster/Electronic Control Unit (ECU).
    Check Engine Control Module (ECM) Power Supply (Relay).

    Special Notes:
    In case of Engine Starting Issues please make sure that you are really experience an Immobilizer related Problem! Even if the Immobilizer engages, the Engine will still start fine but cut out after 2-3 Seconds. If you are NOT experiencing this behaviour (e.g. Engine doesn't start at all) your Problem is very likely NOT Immobilizer related.
    May be stored in Combination with 01176 - Key: Signal too Low in Immobilizer Control Module.
    If no other immobilizer related fault codes are stored and the immobilizer related measuring blocks are fine except Engine Start not allowed, in rare occasions it helps to try cold-booting the car. Remove both battery cables from the battery. Short the battery cables together (away from the battery) for about 15 seconds. Reconnect the battery. (Example.)
    Low battery voltage (including a faulty battery) may cause Immobilizer system malfunctions and testing should be done only with a known good battery installed.

    As taken from my new EOBD II Fault Codes Software

    This forum doesn't post all html links from my app, I have to add important ones.
    2010 Golf GTD (170) CBBB, 5 Door, Shadow Blue (P6/D5Q), Transmission Code: KXZ, Flat Tyre Indicator, Basic Protection Pack + VCDS.

  3. #3
    Administrator Crasher's Avatar
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    Apr 2006
    Nottingham, England
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    Do you have a spare key? If so, try that when this happens. There may have been instrument panel errors so a full code read when this happens would be good to see if possible. The feed from engine bay box fuses 18 and 22 would be my initial checks.
    "I disapprove of what you say, but I will defend to the death your right to say it"

    Evelyn Beatrice Hall (28 September 1868 13 April 1956)

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