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Home >> Scion >> 2014 >> FR-S Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P1604-U0155) & Circuit Tests)) >> SFI System >> DTC U0073: Control Module Communication Bus "A" Off; DTC U0101: Lost Communication with TCM; DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0140: Lost Communication with Body Control Module; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0402: Invalid Data Received from TCM; DTC U0416: Invalid Data Received from Vehicle Dynamics Control Module; DTC U0423: Invalid Data Received from Instrument Panel Cluster Control Module >> Monitor Description

Monitor Description

The ECM, TCM, skid control ECU (brake actuator assembly) and combination meter assembly communicate with each other via the CAN communication line. If there is a problem in this communication, the ECM stores the DTC.

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