Manufacturer: PSA (Citroën/Peugeot)
Brand: Bosch
Model: MED17.4
Functions: Immo off, immo virgin
Emulator: No
Bosch MED17.4 Immo off
If you’re working on a PSA vehicle (Citroën or Peugeot) with a Bosch MED17.4 ECU, and you need to disable the immobilizer system (immo off) or restore the ECU to a virgin state (immo virgin), this guide offers a fast and emulator-free solution.
Whether you’re replacing the ECU, lost all keys, or preparing a donor unit, our immo off file service—CKDecode—makes it easy to reprogram the MED17.4 without opening the ECU.
This solution is compatible with a wide range of PSA models equipped with the MED17.4 ECU, including:
- Peugeot 207 1.6 THP (2006-2013)
How to immo off MED17.4 with CK Decode
To perform immo off on the Bosch MED17.4 using CK Decode, follow these steps:
- Download CKDecode through this link
- Click on the Functions Tab and select PSA (Citroën/Peugeot) – BOSCH – MED17.4 – Immo off
- Read EEPROM with your interface and upload the file
- Click Process button
- Write the file processed by CKDecode
