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Home >> Kia >> 2021 >> Niro LXS >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> ESC/AHB Diagnosis (HEV) (2 Of 2) >> DTC C1503-01: TCS Switch Error >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Signal monitoring
  • Poor connector connection
  • Open or short in circuit of ESC/ESP OFF switch
  • Faulty IBAU
Enable Condition
  • Ignition "ON"
Threshold Value
  • ESC/ESP OFF switch "ON" signal is received for more than 60s
Warning Lamp
  • -
Disable Condition
  • Ignition "OFF" and then "ON"
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