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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 108 (Abs/ESC Diagnosis (1 Of 2)) >> DTC C1235-01: Pressure Sensor (Primary) - Open/Short >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

WARNING: This page is about a different car, the 2021 Kia Seltos. However, it is still accessible from the selected car via links, so may be relevant.
Item Detecting Condition Possible Cause
DTC Strategy
  • Voltage monitoring
  • Poor connector connection
  • Open or short in master pressure sensor circuit
  • Faulty HECU (pressure sensor integrated)
Enable Condition
  • Normal battery voltage (9 to 16V)
Threshold Value
  • A failure is detected when sensor supply voltage is below 4.75V or above 5.25V for more than 0.06s
  • When pressure sensor signal is not received for more than 0.45s
  • A failure is detected when the pressure sensor output is below -12bar or above 262bar for more than 0.45s
  • A failure is detected If sum of the sensor values keep below 230bar or above 291bar for more than 0.45s
  • When pressure sensor channels 1 and 2 Internal status is abnormal for more than 0.45s
  • When pressure sensor fast/slow channel checksum error status is abnormal for more than 450ms
  • A failure is detected when the pressure sensor output temperature is below -60°C (-76°F) or above 160°C (320°F) for more than 0.45s
Warning Lamp
  • ESC, EPB
Disable Condition
  • When the ignition switch turns off and then on