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Home >> Subaru >> 2017 >> BRZ Limited, Standard Trans >> Repair and Diagnosis >> Steering >> Power Steering System (Diagnostics) >> Power steering system >> DTC U0100 Engine data not received; DTC U0122 Lost Communication With Vehicle Dynamics Control Module; DTC U0416 Invalid Data Received From Vehicle Dynamics Control Module
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DTC U0100 Engine data not received; DTC U0122 Lost Communication With Vehicle Dynamics Control Module; DTC U0416 Invalid Data Received From Vehicle Dynamics Control Module

Description of functions

The power steering computer ASSY uses CAN communication to input the signals from the engine control computer and skid control computer (brake actuator ASSY).

DTC No. Detected item Inspection parts
U0100 Engine control computer communication malfunction
  • CAN communication system
  • Engine control computer
U0122 Skid control computer (brake actuator ASSY) communication malfunction
  • CAN communication system
  • Skid control computer (brake actuator ASSY)
U0416 Reception of an error signal from the skid control computer (brake actuator ASSY)

Inspection steps

  1. Reading the diagnosis codes
    1. Use the SSM4 to check the diagnosis codes. (Refer to Check list for interview )

      Next: Go to "CAN communication system (How to troubleshoot)" (Refer to How to troubleshoot )