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Home › Mitsubishi › 2013 › Lancer SE › Repair and Diagnosis › External Pages › Different variant/trim › Section 18 (Wireless Control Module (WCM) - Lancer Evolution) › Diagnosis › Diagnostic Trouble Code Procedures › DTC B1731: Engine Control Module Communication Timeout › Technical Description (Comment)

Technical Description (Comment)

WARNING: This page is about a different variant/trim than selected.

If no data [ETACS transmits engine random number data to WCM via the CAN bus lines] is received from the engine control module via the CAN bus lines when the ignition switch is turned to ON position, it is judged as abnormal.

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