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 MANUALSKIA2021FORTE GT, AUTOMATIC DCT TRANSREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLELECTRONIC STABILITY CONTROL DIAGNOSISDTC C2402-01: MOTOR ELECTRICALDTC INFORMATIONDTC DETECTING CONDITION

2021 Kia Forte GT, Automatic DCT Trans

DTC Information: DTC Detecting Condition

2021 Kia Forte GT, Automatic DCT TransSECTION DTC Detecting Condition

Item		Detecting Condition	Possible Cause
DTC Strategy		Signal monitoring	Poor connector connection Faulty ESC circuit Faulty ESC module
Enable Condition		Ignition "ON" No related DTC is stored
Threshold Value	Case1	When the pump motor power is below a certain voltage
	Case2	When the pump motor power circuit is short for over 3s
	Case3	When the voltage generated after operating the pump motor is below certain value
Disable Condition		Driving at 10 km/h (6.2 MPH) after ignition "OFF/ON"
Warning Lamp		Lamp "ON"

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.