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Home >> Genesis >> 2020 >> G90 5.0 Ultimate, AWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Electronic Stability Control Diagnosis >> DTC C1503-01: TCS Switch Error >> Component Inspection >> ESP (ESC/TCS) Off Switch Inspection

ESP (ESC/TCS) Off Switch Inspection

Item Normal Value Prerequisite Condition Probe (+) Probe (-)
Switch: Resistance Less than 1.0 Ω
  1. Ignition switch: Off
  2. ESP switch connector: Disconnected
  3. ESP switch: On
ESP Off switch (+) terminal ESP Off switch (-) terminal
  1. Is the result within specifications?

    YES 

    • Fault is intermittent caused by poor connection in ESP OFF switch harness and/or ESP (ESC)'s connector. Go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Replace it with a new ESP OFF switch and see if it properly operates. If the problem is cleared, put the new ESP OFF switch in place and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.