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Home >> Hyundai >> 2021 >> Elantra SE >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Abs/Esp Diagnosis (1 Of 2) (Except HEV) >> DTC C1503-01: TCS/ESC (ESP) Switch Circuit Error >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

Trouble shooting Condition Possible cause
Main action
  • Monitor switch circuit signal
  1. Short to power in ESP (ESC/TCS) OFF switch circuit
  2. Defected ESP (ESC/TCS) OFF switch
Threshold value
  • When the ESP (TCS/ESC) switch is "ON" for more than 60 seconds
Diagnosis time
  • 60 seconds
MIL
  • No MIL on (DTC only)
Reset condition
  • Turn ignition switch OFF and ON.