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Home >> Scion >> 2013 >> FR-S Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Diagnostic Codes (P2101 - U0073) & 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 [03/2012 - 05/2013] >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

U0073

State of Control module communication bus "A" OFF On
U0101

State of lost communication with TCM On
U0122

State of lost communication with skid control ECU On
U0155

State of lost communication with combination meter assembly On
U0402

Communication counter between ECM and TCM Not count up
U0416

Communication counter between ECM and skid control ECU Not count up
U0423

Communication counter between ECM and combination meter assembly Not count up
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