ECU MJD9DF.B1 55274938 – clean engine controller for Fiat 500 1.3 Multijet, no coding required
This engine ECU with part number 55274938 and type MJD9DF.B1 has been prepared in VIRGIN mode, meaning it contains no data from a previous vehicle. Once installed, the unit will automatically program itself to the immobiliser – no manual coding or PIN entry is required.
The module is designed for the Fiat 500 with a 1.3 Multijet Euro 5 engine, produced between 2007–2015. It is compatible with Bosch injection systems and used in vehicles with manual gearboxes.
The product has been thoroughly tested – both on a diagnostic bench and in a test vehicle. Its full functionality is confirmed. After installation, no further setup is needed – the ECU performs self-adaptation automatically.