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Home >> Subaru >> 2018 >> BRZ Limited, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle (Diagnostics) >> Automatic Transmission System >> DTC U0073: Control Module Communication Bus "A" Off; DTC U0401: Invalid Data Received From ECM/PCM "A"; DTC U0416: Invalid Data Received From Vehicle Dynamics Control Module; DTC U0422: Invalid Data Received From Body Control Module; DTC U0423: Invalid Data Received From Instrument Panel Cluster Control Module >> Circuit description >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

TYPICAL MALFUNCTION THRESHOLDS

CAN controller confirms the bus every 50 milliseconds, then the bus is turned OFF. 1 count or more
TYPICAL MALFUNCTION THRESHOLDS

The communication counter does not count up. (Check the communication counter value every 10 milliseconds.) 50 count
TYPICAL MALFUNCTION THRESHOLDS

The communication counter does not count up. (Check the communication counter value every 10 milliseconds.) 40 count
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