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 MANUALSHYUNDAI2009SONATA SE, 3.3 FREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLESC (ELECTRONIC STABILITY CONTROL) SYSTEMDESCRIPTION OF ESCPROCEDURE

2009 Hyundai Sonata SE, 3.3 F

Description Of ESC: Procedure

2009 Hyundai Sonata SE, 3.3 FSECTION Procedure

Install a EMS/TCU/ESC normally.
Connect the hi-scan (pro) to the data link connector located underneath the dash panel.

Fig 1: Connecting Hi-Scan (Pro) To Data Link Connector Underneath Dash Panel
Courtesy of HYUNDAI MOTOR CO.
Select vehicle name.
Select ANTI-LOCK BRAKE SYSTEM.
Select the variant coding.

Fig 2: Screen Display - Steering Angle Sensor
Courtesy of HYUNDAI MOTOR CO.
Follow the next procedure according to the comment

Fig 3: Screen Display - Diagnosis Procedure (1 Of 3)
Courtesy of HYUNDAI MOTOR CO.

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.