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Home › Hyundai › 2017 › Azera Base › Repair and Diagnosis › Brakes › Traction Control › Electronic Stability Control (ESC) System Diagnosis › DTC C1503: TCS/ESC (ESP) Switch Error › General Information › DTC Detecting Condition

General Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Circuit Monitoring
  1. Open or short ESC switch
  2. Faulty ESC switch
Enable Conditions
  • When the ESC switch is ON for 1 minute.
Fail Safe
  • Allow the ABS/EBD/ESC control
  • The ESC warning lamp is not activated
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