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 DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 40 (ENGINE CONTROL SYSTEM (DTC TROUBLESHOOTING) (2 OF 4) - 3.8L)DTC P0223: THROTTLE POSITION SENSOR 2 SIGNAL CIRCUIT HIGH INPUTCOMPONENT INSPECTION
2013 Hyundai Genesis Coupe 2.0T Premium
Component Inspection
2013 Hyundai Genesis Coupe 2.0T PremiumSECTION Component Inspection
WARNING: This page is about a different car, the 2012 Hyundai Genesis Coupe. However, it is still accessible from the selected car via links, so may be relevant.
- Check TPS resistance
- Ignition "OFF" and disconnect ETC Motor and TPS connector.
- Measure resistance between TPS power and TPS ground terminals of ETC Motor and TPS connector. (component side)
Specification: 1.6 ~ 2.4kΩ
- Is the measured resistance within specification?
YES
- Substitute with a known-good ECM and check for proper operation. If the problem is corrected, replace ECM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.NOTE: There is a memory reset function on GDS that can erase optional parts automatically detected and memorized by ECM. Before or after testing ECM on the vehicle, use this function to reuse the ECM on the others
NO
- Substitute with a known-good ECT motor and TPS and check for proper operation. If the problem is corrected, replace ECT motor and TPS and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
* Procedure of ETC Initialization:
- Erase the trouble codes from ECM memory.
- Turn the Ignition key off, and keep the Ignition key off until the main relay is turned off (it will take 10 seconds).
- Turn Ignition key on more than 1 second to record the throttle motor position on the EEPROM
- Substitute with a known-good ECM and check for proper operation. If the problem is corrected, replace ECM and 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.