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 & EQUIPMENTCOMMUNICATION DEVICESSMART JUNCTION BLOCK DIAGNOSIS
2020 Genesis G90 3.3T Premium, AWD
Smart Junction Block Diagnosis
2020 Genesis G90 3.3T Premium, AWDSECTION Smart Junction Block Diagnosis
- DTC Index
- DTC B1602-00: CAN Line Error
- DTC B1603-00: CAN Bus OFF
- DTC B2352-00: Dedicated DRL LH SCG
- DTC B2353-00: Dedicated DRL RH SCG
- DTC B2510-00: Head Lamp High RH SCG
- DTC B2511-00: Head Lamp High LH SCG
- DTC B2512-00: Head Lamp Low RH SCG
- DTC B2513-00: Head Lamp Low LH SCG
- DTC B2517-00: Internal Tail Lamp Circuit Short To Ground
- DTC B251B-00: Bi-Function Head Lamp RH Circuit Short To Ground
- DTC B251C-00: Bi-Function Head Lamp LH Circuit Short To Ground
- DTC B251D-00: Stop Lamp Right Circuit Short To Ground
- DTC B251E-00: Stop Lamp Left Circuit Short To Ground
- DTC B251F-00: High Mounted Stop Lamp Short To Ground
- DTC B2522-00: Turn Signal LH Front Short To Ground
- DTC B2523-00: Turn Signal LH Rear Short To Ground
- DTC B2524-00: Turn Signal RH Front Short To Ground
- DTC B2525-00: Turn Signal RH Rear Short To Ground
- DTC B258A-00: External Tail Lamp Front Right Short Circuit To Ground
- DTC B258B-00: External Tail Lamp Front Left Short Circuit To Ground
- DTC B258C-00: External Tail Lamp Rear Right Short Circuit To Ground
- DTC B258D-00: External Tail Lamp Rear Left Short Circuit To Ground
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.