Home/Mitsubishi/Lancer/Mitsubishi Lancer X (2007-2010)/Repair manual/Communication Devices/DTC B1731: Engine control module communication timeout
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DTC B1731: Engine control module communication timeout Mitsubishi Lancer X

CAUTIONWhen DTC B1731 is set, be sure to diagnose the CAN bus line. When replacing the ECU, always check that the communication circuit is normal.