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 MANUALSGENESIS2020G90 3.3T PREMIUM, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOLLISION/AVOIDANCELANE KEEPING ASSIST SYSTEM DIAGNOSISDTC C2721-46: SYSTEM CALIBRATION REQUIREDCOMPONENT INSPECTION
2020 Genesis G90 3.3T Premium, AWD
Component Inspection
2020 Genesis G90 3.3T Premium, AWDSECTION Component Inspection
- Using the GDS, clear the fault code saved.
- Turn LDWS/LKAS off and then on.
- Using the GDS, monitor the DTC to see if the fault code is generated again.
- Is the fault code regenerated?
YES
- Mount LDWS/LKAS properly, perform calibration, and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
* If LDWS/LKAS has been replaced, perform calibration.
NO
This may be a temporary fault that is caused by the previous fault not cleared from the memory of LDWS/LKAS.
- Go to next procedure.
- Mount LDWS/LKAS properly, perform calibration, 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.