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 MANUALSHYUNDAI2024KONA LIMITED, 4WDREPAIR AND DIAGNOSISELECTRICALFUSES & CIRCUIT BREAKERSFUSE AND RELAYSBODY DOMAIN CONTROL UNIT (BDC)INSTALLATION
2024 Hyundai Kona Limited, 4WD
Body Domain Control Unit (BDC): Installation
2024 Hyundai Kona Limited, 4WDSECTION Installation
- Install in the reverse order of removal.NOTE:
- When replacing the body domain control unit, perform the procedure below using a diagnostic device.
(Refer to Body Domain Control Unit - "VARIANT CODING ")
(Refer to Smart Key System- "SMART KEY CODE SAVING ")
- When applying the digital key system, use the diagnostic device to perform the 'IAU-IBU learning', after replacing the body domain control unit.
(Refer to Digital Key System - "LEARNING METHOD ")
- When replacing OTA controller, use the diagnostic device to update S/W. (If the S/W update is not complete, OTA update is not possible.)
(Refer to Security & Vehicle Ignition System - "OVER THE AIR (OTA) ")
- When replacing the body domain control unit, perform the procedure below using a diagnostic device.
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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.