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Home >> Hyundai >> 2019 >> Elantra GT Base >> Repair and Diagnosis >> Brakes >> Traction Control >> Abs/ESC System Diagnosis >> DTC C1503-01: TCS Switch Error >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible cause
DTC Strategy
  • Open circuit monitoring (Switch circuit is short to battery).
  1. Short to power in ESC OFF switch circuit
  2. Defected ESC OFF switch
Enable Conditions
  • Normal battery voltage
Threshold Value
  • When the ESP (ESC/TCS) OFF switch is on for 1 minute.
Reset condition
  • Turn ignition switch off and on.
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