Does a used ECU need to be regrogram ?

Discussion in 'Hyundai Elantra / Lantra' started by rain88, Feb 13, 2017.

  1. rain88

    rain88

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    I installed a used ECU on my 05 Elantra but the car will not start ,does it need to be reprogram at the dealer to make it work?
     
    rain88, Feb 13, 2017
    #1
  2. rain88

    TurboRev

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    I believe so.
     
    TurboRev, Feb 22, 2017
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