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Home >> Subaru >> 2017 >> BRZ Series.Yellow >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (3 Of 3) >> EFI system (FA20) >> 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 >> Circuit description >> Monitor Description

Monitor Description

The ECM, the TCM, the skid control ECM, and the combination meter ASSY send and receive data via CAN communication line. If any malfunction occurs in this communication, the ECM stores DTC.

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