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Home >> Hyundai >> 2021 >> Ioniq Hybrid SEL >> Repair and Diagnosis >> Brakes >> Traction Control >> ESC/AHB Diagnosis (HEV) >> DTC C1353-01: Pressure Sensor (Wh1) - Electrical >> Component Inspection

Component Inspection

  1. IG "OFF".
  2. IG "ON".
  3. Connect GDS and select "Diagnostic Trouble Codes (DTC)" mode.
  4. Using a GDS, Clear DTC.
  5. Check if the pressure sensor's service data shows '0 bar' on the GDS while not pressing the brake pedal.
  6. Use the GDS and check that the pressure sensor value rises while pressing the brake pedal.
  7. Is the pressure sensor's data unusually shown?

    YES 

    • Substitute with a known-good IBAU and check for proper operation. If problem is corrected, replace IBAU and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
    NOTE: * In a case of replacing IBAU, perform following functions
    1. "Brake Pedal Travel Sensor Calibration" for brake pedal sensor offset correction (refer to C138004 )
    2. "Pressure Sensor Calibration" for pressure sensor offset correction (refer to C138404 )
    3. "Steering Angle Sensor Calibration" for steering angle sensor offset correction (refer to C126104 ) -ESP (ESC) only
    4. "Longitudinal Sensor Calibration" for Longitudinal sensor offset correction (refer to C128504 ) - ESP (ESC) only
    5. "Variant Coding" for option coding (refer to C170204 )
    G13840021Courtesy of HYUNDAI MOTOR AMERICA

    NO