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Home >> Hyundai >> 2009 >> Tucson GLS, Standard >> Repair and Diagnosis >> Brakes >> Traction Control >> ESC (Electronic Stability Control) System >> Troubleshooting for DTC >> C1237 Primary Pressure Sensor-Signal >> DTC Detecting Condition

C1237 Primary Pressure Sensor-Signal: DTC Detecting Condition

Item Detecting Condition Possible cause
DTC Strategy
  • Voltage Monitoring
  • External noise.
  • Faulty pressure sensor
Enable Conditions
  • If input signal is noisy, Which the gradient of the sensor signal is larger than predefined value for specific times, ECU detect the failure.
  • Outside an ABS/ESC control, And after normal operation of BLS, If the pressure sensor signal is higher than 20bar and BLS is low for 3sec, ECU detect the failure.
Fail Safe
  • Inhibit the ESC control and allow the ABS/EBD control.
  • The ESC warning lamp is activated.
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