Magneti Marelli MJD 6F3 (Fiat) ECU Adjustment with Immo Bypass™ | CarLabImmo

? Buy Immo Bypass: Watch our latest tutorial video to learn an easy way to sync a Magneti Marelli IAW MJD 6F3 ECU using Immo Bypass. This ECU is commonly found in Fiat Grande Punto. ____________________ In our case, the ECU was damaged, so we replaced it with another, used ECU. The solution will also work when: - the immobiliser loses sync with the ECU, - check engine light doesn&light up when starting the car - immo light lights constantly _________________________ ?Follow us: