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.
Check DTC
2020 Genesis G90 3.3T Premium, AWDSECTION Check DTC
- Ignition "ON" & Engine "OFF".
- Connect GDS to Data Link Connector (DLC).
- Select "DTC Analysis" mode.
- After erase DTC, keep the vehicle condition within "the enable conditions".
(Refer to "DTC DETECTING CONDITION ").
- Is the same DTC occurred again?
YES
- Go to next Procedure.
NO
- Fault is intermittent caused by poor connection in connectors between IBU Module and Package Tray Antenna. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.