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Home >> Subaru >> 2016 >> BRZ Series.HyperBlue >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC System (Heater, Ventilator And A/C) >> Heater & Air Conditioner System (For Automatic Air Conditioning System) >> DTC U0073: CAN Communication Error; DTC U0100: Lost Communication With ECM/PCM "A"; DTC U0101: Lost Communication With TCM; 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; DTC U0401: Invalid Data Received From ECM/PCM "A"; DTC U0402: Invalid Data Received From TCM; 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 >> Description of functions
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Description of functions

The air conditioner amplifier assembly receives signals from the engine control computer, steering control computer, main body ECM (multiplex network body computer) and combination meter assembly through the CAN communication.

DTC DETECTION CONDITION

DTC NO. Detecting conditions Inspection parts
U0073 CAN Communication Error
  • CAN communication system
U0100 Lost Communication With ECM/PCM "A"
  • CAN communication system
  • Engine control computer
U0101 Lost Communication With TCM
  • CAN communication system
  • Transmission control computer assembly
U0122 Lost Communication With Vehicle Dynamics Control Module
  • CAN communication system
  • Brake actuator assembly
U0140 Lost Communication With Body Control Module
  • CAN communication system
  • Main body ECM (Network gateway computer)
U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module
  • CAN communication system
  • Combination meter assembly
U0401 Invalid Data Received From ECM/PCM "A"
  • CAN communication system
  • Engine control computer
U0402 Invalid Data Received From TCM
  • CAN communication system
  • Transmission control computer assembly
U0416 Invalid Data Received From Vehicle Dynamics Control Module
  • CAN communication system
  • Brake actuator assembly
U0422 Invalid Data Received From Body Control Module
  • CAN communication system
  • Main body ECM (Network gateway computer)
U0423 Invalid Data Received From Instrument Panel Cluster Control Module
  • CAN communication system
  • Combination meter assembly
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