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 39 (ENGINE CONTROL SYSTEM (DTC TROUBLESHOOTING) (1 OF 4) - 3.8L)DTC P0111: INTAKE AIR TEMPERATURE SENSOR 1 CIRCUIT RANGE/PERFORMANCEDTC DETECTING CONDITION

2013 Hyundai Genesis Coupe 2.0T Premium

DTC P0111: Intake Air Temperature Sensor 1 Circuit Range/Performance: DTC Detecting Condition

2013 Hyundai Genesis Coupe 2.0T PremiumSECTION DTC Detecting Condition

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.

DTC DETECTING CONDITION CHART

Item		Detecting Condition	Possible Cause
DTC Strategy	Case 1	Monitors the difference between the startup coolant and IAT values	IATS
DTC Strategy	Case 2	Monitors the difference between the startup IAT and coolant values
Enable Conditions	Case 1	Engine soaked time ≥ 360min Engine running state No faults present IAT stored previous trip Startup Coolant Temperature > -20°C Airflow > 15 g/s Vehicle speed > 40kph
Enable Conditions	Case 2	Engine soaked time ≥ 360min Engine running state No faults present IAT stored previous trip Airflow > 15 g/s Vehicle speed > 40kph
Threshold value	Case 1	Startup Coolant - Startup IAT ≥ 22°C
Threshold value	Case 2	Startup IAT - Startup Coolant ≥ 17°C
Diagnosis Time		Continuous (More than 1.25 second failure)
MIL On Condition		2 Driving Cycles

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.