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Limp Home Function

If the PCM (ECM) detects the fault of the SMARTRA or transponder, the PCM (ECM) will allow limp home function of the immobilizer. Limp home is only possible if the user password (4 digits) has been given to the PCM (ECM) before. This password can be selected by the vehicle owner and is programmed at the service station.

Only if the PCM (ECM) is in status "learnt" and the user password status is "learnt" and the user password is correct, the PCM (ECM) will be unlocked for a period of time (30 sec.). The engine can only be started during this time. After the time has elapsed, engine start is not possible.

  1. Connect the cable of GDS to the data link connector in driver side crash pad lower panel, and turn on the GDS.
  2. Select the 'S/W Management' and 'Car model'.
    G14702462Courtesy of HYUNDAI MOTOR AMERICA
  3. "Immobilizer" and "Limp Home Mode".
    G14702463Courtesy of HYUNDAI MOTOR AMERICA
  4. Perform the "LIMP HOME MODE " procedure according to the GDS screen message.
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