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Home >> Kia >> 2015 >> Optima Hybrid >> Repair and Diagnosis >> Brakes >> Parking Brake System >> Electric Parking Brake Diagnosis - Optima HEV >> DTC C1513: Brake Switch Circuit Error >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Rationality check
  1. Poor connection or damaged wiring
  2. BLS
  3. EPB switch open or short
  4. EPB ECU
Enable condition
  • EPB Wake up status, CAN signal normal, normal battery condition
Threshold value
  • BLS CAN signal is mis-matched with hardwired BLS for 2 minutes.
  • BLS signal continues stuck "ON" for more than 1 min. under condition of TPS is more than 12% and the speed of vehicle is more than 10 km/h (Approx. 6.2 mph).
  • BLS signal does not change after driving with over 40 km/h (Approx. 25 mph) and stop for 3 times.
Warning Indicator Lamp Status
  • Warning Indicator Lamp "ON"
Fail Safe
  • Dynamic Braking (ESC) inhibited
Reset Condition
  • Ignition "OFF" and then "ON"