DTC C1503 TCS/ESC Switch Error: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item	Detecting Condition	Possible cause
DTC Strategy	Short circuit monitoring	Open or short ESC switch Faulty ESC switch
Monitoring Period	Continuous
Enable Conditions	When the ESC switch is ON for 60 sec.
Fail Safe	Allow the ABS/EBD control. Meanwhile, stop checking the ESC switch failure under the ESC control.