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Troubles / Problémy

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  • 11 Topics
    36 Posts
    A

    I connected VDASH to my 2019 Volvo XC40 and ran the VDDM "Initialization Check" function. The procedure completed successfully and reported "OK".

    Immediately afterwards, the parking brake behavior changed:

    The electronic parking brake can still be applied normally using the center console switch.
    The parking brake will NOT release using the center console switch.
    The parking brake CAN be released through VDASH ("Release parking brake" function).
    The vehicle drives normally once the brake is released through VDASH.
    No brake warnings are displayed on the dashboard.
    No ABS or BCM fault codes are present.

    The only relevant fault code that appeared is:

    VDDM-B111153
    "Electric park brake enable. System Programming Failures. Deactivated."

    Service mode was never activated. "Exit service mode" returns an error because service mode is not active. The issue started immediately after running the Initialization Check.

    Has anyone encountered this before or knows how to restore normal parking brake release operation after a VDDM initialization check?

  • 66 Topics
    196 Posts
    T5 T6 SchnappiT

    @Libelix Is your car still a sensus or already an iCUP? On Sensus cars the obd port is indeed connected to VCM. On iCUPs its connected to the VGM. As your car is shown as MY2022 I suspect it to be an iCUP.
    Wiring diagram for the diagonstic port of Sensus cars can be found here
    Wiring diagram for MY23 iCUP here
    Pins for the Ethernet are 3,8,11,12,13
    If your VCM is really damaged you will have a big problem. VCMs can't be cloned. At least it's not possible to used ones due to pin mismatch.

  • 98 Topics
    399 Posts
    P

    Ach stark ☺️

    Danke dir schonmal für die hilfreichen Tipps.
    Wenn ich aus dem Urlaub zurück bin, werde ich direkt das CEM checken und die Steckverbindung an der A-Säule höher der Klappe des Handschuhfachs hinter der weißen Abdeckung.

    Werde mich danach nochmal bei dir Rückmelden.

  • 34 Topics
    114 Posts
    T5 T6 SchnappiT

    @Kurt1977 I think I'm getting old. 🤔

    The official guide recommends cloning the software and than perform SRS configure. As your original module has a checksum error indicating corrupted software or a bad EEprom , cloning won't work.
    You can try to just perform the SRS configure if you install a used module hoping the software is the same than in your original module or at least compatible with your car. If this doesn't work you will need an official VIDA subscription to perform a software reload, but this will only work if the software for the donor part is still present on the servers and if VIDA thinks the part number is somehow compatible with your car. Volvo has started to remove lots of softwares and part numbers for superseded/discontinued modules from their VIDA servers making software downloads impossible for those parts.

    You can also try to contact some specialists for ecu repairs and ask them if they can fix your original module.

  • 31 Topics
    158 Posts
    A

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  • 2 Topics
    3 Posts
    J

    Transmission fluid change and refill

All for your Volvo