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Home >> Scion >> 2016 >> FR-S Automatic Trans >> Repair and Diagnosis (Single Page) >> Steering >> Power Steering >> Power Steering System (Diagnostic Codes & Circuit Tests) >> Power Steering System >> DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0416: Invalid Data Received from Vehicle Dynamics Control Module [05/2014 - ] >> Description
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DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0416: Invalid Data Received from Vehicle Dynamics Control Module [05/2014 - ]: Description

The power steering ECU assembly receives signals from the ECM and skid control ECU (brake actuator assembly) via the CAN communication system.

DTC Code DTC Detection Condition Trouble Area
U0100 Lost communication with the ECM/PCM "A"
  • CAN communication system
  • ECM
U0122 Lost communication with the brake system control module
  • CAN communication system
  • Skid control ECU (Brake actuator assembly)
U0416 The brake system control module signal malfunction
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