Used ECU Istallation

Discussion in 'New TDI forum member introductions' started by SPhil, Jul 10, 2012.

  1. SPhil

    SPhil New Member

    Joined:
    Jul 10, 2012
    Messages:
    1
    Car:
    2002 jetta
    I recently purchased a used ECU for 2002 Jetta 4 cylinder. All numbers matched. Disconnected the battery first. The Immobilizer light is flashing. Is the ECM the problem or does it just need the Immobilizer deactivated. any help? thanks much Phil
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  2. Seatman

    Seatman Active Member

    Joined:
    Jul 9, 2010
    Messages:
    5,215
    Car:
    2000 Mk4 Golf Estate 1.9tdi 174 bhp
    Location:
    Scotland
    Mods:
    PP764's, turbo and mapping

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