OBDSTAR’s recent big upgrade adds PSA locked MD1CS003 ECU boot glitch unlocking feature. Here comes a user report: Just tried one Bosch MD1CS003 from a Citroen Berlingo 2023, worked first try. It’s done in boot mode. OBDSTAR X300 Classic G3 … Continue reading OBDSTAR G3 Boot Unlocked PSA 2023 MD1CS003 ECU