Buy Key Device for Fiat
Key Device for Fiat – Transponder Preparation & Key Learning Tool
This advanced Fiat key programming device is designed for fast, accurate transponder preparation and key learning through the OBDII port. It supports a wide range of Fiat vehicles and related models, offering a reliable solution for locksmiths and automotive technicians.
1. Transponder Preparation
Configure 0 keys using DIP switches 1–4:
DIP 1–4:
• OFF, OFF, OFF, OFF
Transponder/Remote Configuration (DIP 7–8):
• OFF, OFF – PCF7936 (no remote control)
• ON, OFF – PCF7946 + 10/16-pin SM
• OFF, ON – PCF7946 + 8-pin SMD
Place the transponder perpendicular to the antenna ring for proper reading.
Procedure:
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Plug the device into the OBDII port.
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Wait for initialization (green LED flashes 3 times).
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The programming process takes only a few seconds.
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Successful preparation: slow green LED flashing.
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Failure: fast red LED flashing.
2. Key Learning Procedure
Set the number of keys to be learned using DIP switches 1–4:
| Number of Keys | DIP 1–4 |
|---|---|
| 0 | OFF, OFF, OFF, OFF |
| 1 | ON, OFF, OFF, OFF |
| 2 | OFF, ON, OFF, OFF |
| 3 | ON, ON, OFF, OFF |
| 4 | OFF, OFF, ON, OFF |
| 5 | ON, OFF, ON, OFF |
| 6 | OFF, ON, ON, OFF |
| 7 | ON, ON, ON, OFF |
| 8 | OFF, OFF, OFF, ON |
Steps:
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Plug the device into the OBDII port.
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Wait for initialization (3 green flashes).
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LED remains off for 5 seconds.
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LED turns red for 10 seconds – turn the ignition ON with each new key.
Key Result Indicators:
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Green LED for 5 seconds: key successfully programmed
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Slow red LED for 5 seconds: key not accepted – repeat the process
⚠ Important: The procedure is only saved when all keys are successfully accepted.
At the end, the LED flashes slowly in green (unless transponder preparation failed).
Supported Vehicle Models
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Fiat Grande Punto (2005+)
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Fiat 500 (2007+)
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Fiat 500L (2012+)
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Fiat Ducato (2006+)
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Ford Ka (2008–2014)
