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Home >> Toyota >> 2016 >> Prius Two >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> Electronically Controlled Brake System - Diagnostic Codes (5 Of 5) & Symptom Tests >> Electronically Controlled Brake System >> DTC U0073: Control Module Communication Bus Off; DTC U0100: Lost Communication With ECM/PCM "A"; DTC U0110: Lost Communication with Drive Motor Control Module "A"; DTC U0120: Lost Communication With Starter / Generator Control Module; DTC U0124: Lost Communication With Lateral Acceleration Sensor Module; DTC U0126: Lost Communication With Steering Angle Sensor Module; DTC U0140: Lost Communication with Body Control Module; DTC U0293: Lost Communication with Hybrid Vehicle Control System [12/2018 - ] >> Confirmation Driving Pattern
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Confirmation Driving Pattern

  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG).
  3. Turn the Techstream on.
  4. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  5. Turn the power switch off.
  6. Turn the power switch on (IG).
  7. Turn the Techstream on.
  8. Wait 60 seconds.
  9. Enter the following menus: Chassis / ABS/VSC/TRAC / Trouble Codes.
  10. Read the DTCs.

    HINT: 

    • If a DTC is output, the system is malfunctioning.
    • If a DTC is not output, perform the following procedure.
  11. If the DTCs are not output, perform a universal trip and check for permanent DTCs.

    Refer to DTC CHECK / CLEAR [12/2018 - ]

    HINT: 

    • If a permanent DTC is output, the system is malfunctioning.
    • If no permanent DTCs are output, the system is normal.
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