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Home >> Kia >> 2021 >> Niro EX Premium >> Repair and Diagnosis >> Brakes >> Parking Brake System >> Parking Brake Diagnosis (HEV) >> DTC C1501-01: Switch Failure >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Signal monitoring
  • EPB switch circuit open/short
  • Faulty EPB switch
Threshold Value Case1
  • When the operation switch lines is opened during more 2s
Case2
  • When short circuit to ground is detected in the switch during more than 2s
Case3
  • When short circuit to battery is detected in the switch during more than 2s
Case4
  • When the operation switch lines is short to each other during 2s
Case5
  • If the switch is in on position longer than 90s while the vehicle speed is below 4 km/h
Warning Lamp
  • Warning Lamp "ON"
Clear Condition
  • Ignition "OFF" and then "ON" or return to normal state