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Home >> Genesis >> 2020 >> G90 5.0 Ultimate, AWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Electronic Stability Control Diagnosis >> DTC C1237-02: Pressure Sensor >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

Trouble shooting Condition Possible Cause
Main action
  • Monitor Pressure sensor offset
  1. External Noise
  2. Faulty ESP (ESC)
Threshold value
  • A failure is detected when the gradient of the sensor signal per 10 msec, is more than 15bar while any control is not activated.
  • ECU detects the failure under following conditions.
    • MCP is greater than 15bar.
    • Accelerator Pedal is greater than 5%.
    • BLS (Brake Light Signal) is OFF for more than 3 seconds.
  • A failure is detected when there is no change in MCP during three cycles of stopping after driving at over 40 km/h (24.9 MPH).
  • A failure is detected when the MCP is remain above 10bar during three cycles of stopping after driving at over 40 km/h (24.9 MPH).

    * MCP: Master Cylinder Pressure

MIL
  • ESP (ESC)/DBC/AVH warning lamp is activated.

ABS/EBD/EPB warning lamp is not activated.
Reset condition
  • After turning ignition switch OFF and back ON again and pressing and releasing the brake pedal (more than 1 second).