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Subaru
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2015
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BRZ Limited, Standard Trans
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System Diagnostics (3 Of 3)
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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
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Typical Malfunction Thresholds
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U0402
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Typical Malfunction Thresholds: U0402
Communication counter between ECM and TCM
Does not increase.