Kia Optima: Limp Home Function
| 1. | Limp Home By Tester 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. The user password can be sent to the PCM(ECM) via the special tester menu.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. If the wrong user password is sent, the PCM(ECM) will reject the request of limp home for one hour. Disconnecting the battery or any other action cannot reduce this time. After connecting the battery to the PCM(ECM), the timer starts again for one hour.
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| 2. | Limp Home By Ignition Key The limp home can be activated also by the ignition key. The user password can be input to the PCM(ECM) by a special sequence of ignition on/off. 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 be started during this time. After the time has elapsed, engine start is not possible. After a new password has been input, the timer (30 sec.) will start again. After ignition off, the PCM(ECM) is locked if the timer has elapsed 8 seconds. For the next start, the input of the user password is requested again. |
Teaching Procedures
1.
Key Teaching ProcedureKey
teaching must be done after replacing a defective PCM(ECM) or when providing
additional keys to the vehicle owner.
The procedure starts with an PC ...
Replacement
Problems And Replacement Parts:
Problem
Part set
GDS required?
All keys have been lost
Blank key (4)
YES
Antenna ...
See also:
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The air from outlet port flows at any mode. Close the ventilation outlets using
the knob to block the air flow if you do not wan ...
Emergency Roadside Assistance
Kia has set up a network of over 17,000 roadside assistance providers. Should
you accidentally run out of fuel, require a battery jump, or need help changing
a tire, a Kia Consumer Assistance Repr ...
Tire care
For proper maintenance, safety, and
maximum fuel economy, you must
always maintain recommended tire
inflation pressures and stay within
the load limits and weight distribution
recommended fo ...