In response to this problem, the isolation of the SGM/SGW can now be bypassed by the FCA 12+8 dedicated conversion diagnostic connector.ġ.OBD instrument mileage calibration, OBD anti-theft matching, etc.Ģ.Used with other diagnostic devices to read and clear fault code. Such as clearing fault codes, motion tests and ECU programming.įor FCA models in 2018 or later, non-original equipment can only be used to read fault codes, vehicle VIN identification, and view data streams through the OBD diagnostics station. Since the Fiat Chrysler Group (FCA)-related models in 2018 or later are equipped with the Security Gateway Module (SGM/SGW), this module isolates most diagnostic requests for all post-market diagnostic devices except the original one through a powerful encryption algorithm.
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