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Home >> Mitsubishi >> 2018 >> Eclipse Cross SEL >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Immobilizer System - Vehicles Without Keyless Operation System >> Diagnostic Trouble Code Procedures >> DTC B1731: ECM authentication timeout >> Trouble Judgment

Trouble Judgment

ETACS-ECU determines that the abnormality is present, if it cannot receive the data from the engine control module via the CAN bus line when the ignition switch is turned "ON".

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