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.
2020 Genesis G90 3.3T Premium, AWDFACTORY OEM SERVICE PROCEDURE
Occupant Classification System DTCS
OCCUPANT CLASSIFICATION SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC B1111 | 17: Ignition Voltage High |
| DTC B1112 | 16: Ignition Voltage Low |
| DTC B1603 | 88: CAN BUS OFF |
| DTC B1697 | 87: ACU Communication error |
| DTC B1763 | 00: OCS ECU Defect |
| DTC B1764 | 00: OCS MAT Defect |
| DTC B1767 | 2F: OCS Algo Cut Off |
Factory Service Tools
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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.
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