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Home >> Kia >> 2021 >> Sorento EX, FWD >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Abs/ESC Diagnosis (Except HEV) (2 Of 4) >> DTC C1503-01: TCS/ESC (ESP) Switch Circuit Error >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitor ESP OFF switch circuit signal
  • Short to power in ESP OFF switch circuit
  • Faulty ESP OFF switch
Enable Condition
  • Normal battery voltage (9 to 16V)
Threshold Value
  • ESP OFF switch "ON" for more than 60s
Warning Lamp
  • None
Disable Condition
  • ESP OFF switch "OFF" during 1s
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