Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSHYUNDAI2013GENESIS COUPE 2.0T PREMIUMREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLELECTRONIC STABILITY CONTROL (ESC) SYSTEMDTC C1503: TCS/ESC (ESP) SWITCH ERRORCOMPONENT INSPECTION
2013 Hyundai Genesis Coupe 2.0T Premium
Component Inspection
2013 Hyundai Genesis Coupe 2.0T PremiumSECTION Component Inspection
- ESC switch Check
- Ignition "OFF" & Engine "OFF".
- Disconnect the ESC switch connector.
- Measure resistance between power terminal and signal terminal of the ESC switch connector.
Specification :
Approx. below 1Ω (In case of pressing the ESC switch)
Approx. ∞ Ω (In case of not pressing the ESC switch)
- Is the measured value within specifications?
YES
- Fault is intermittent, caused by poor connection in ESC switch harness and/or HECU's connector. Go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Substitute with a known-good ESC switch and check for proper operation.
If problem is corrected, replace ESC switch and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.