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Home >> Subaru >> 2014 >> BRZ Limited, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (4 Of 4) >> DTC U0073 Control Module Communication Bus "A" Off; DTC U0101 Lost Communication With TCM; DTC U0122 Lost Communication With Vehicle Dynamics 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 >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

TYPICAL MALFUNCTION THRESHOLDS - U0073

Control module communication bus "A" OFF status ON
TYPICAL MALFUNCTION THRESHOLDS - U0101

Failed communication with TCM ON
TYPICAL MALFUNCTION THRESHOLDS - U0122

Failed communication with skid control ECM ON
TYPICAL MALFUNCTION THRESHOLDS - U0155

Failed communication with combination meter ASSY ON
TYPICAL MALFUNCTION THRESHOLDS - U0402

Communication counter between ECM and TCM Does not increase.
TYPICAL MALFUNCTION THRESHOLDS - U0416

Communication counter between ECM and skid control ECM Does not increase.
TYPICAL MALFUNCTION THRESHOLDS - U0423

Communication counter between ECM and combination meter ASSY Does not increase.
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