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Home >> Kia >> 2019 >> Optima EX >> Repair and Diagnosis >> Brakes >> Parking Brake System >> Electric Parking Brake Diagnosis (Except HEV) >> DTC C1202-02: Wheel Speed Sensor Front-LH Invalid/No Signal >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible cause
DTC Strategy
  • Signal monitoring
  1. Poor connector connection
  2. Damages or defected tone wheel
  3. Faulty signal circuit of front-LH wheel speed sensor
  4. Faulty wheel speed sensor front-LH
Enable Condition
  • Ignition switch "ON" & Engine "ON"
  • No related DTC is stored
Threshold Value
  • Excessive wheel speed difference due to abnormal air-gap or damaged tone wheel
    • If vehicle speed is over 20 km/h (Approx. 12.4 mph) & no ABS/ESC (ESP) fault

      : Free rolling of each wheel speed comparing relative to free rolling of fastest wheel speed

      : Wheel speed difference is over 8%

Warning Lamp
  • In case of failure on one wheel
    • ABS/ESC (ESP) Warning Indicator Lamp "ON"
  • In case of failure on more than two wheels
    • EBD/ABS/ESC (ESP) Warning Indicator Lamp "ON"
Disable Condition
  • Ignition "OFF" and then "ON" and vehicle speed over 12 km/h (Approx. 7 mph)