Home >> Subaru >> 2014 >> BRZ Limited, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle (Diagnostics) >> Automatic Transmission System >> DTC U0100 Lost Communication With ECM/PCM "A"; 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 >> Circuit description >> Typical Enabling Conditions