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 MANUALSGENESIS2021GV80 2.5T ADVANCED, AWDREPAIR AND DIAGNOSISGENERAL INFORMATIONDTC INDEXETHERNET SWITCH UNIT DTCS
2021 Genesis GV80 2.5T Advanced, AWD
ETHERNET Switch Unit DTCS
2021 Genesis GV80 2.5T Advanced, AWDSECTION ETHERNET Switch Unit DTCS
ETHERNET SWITCH UNIT DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| B1101-00 | Battery Voltage High |
| B1102-00 | Battery Voltage Low |
| B2654-00 | Time-Out Head Unit |
| B2655-00 | Time-Out Cluster |
| B2656-00 | Time-Out HUD |
| B2657-00 | Time-Out ICU |
| B2658-00 | Time-Out ADAS PRK |
| B2659-00 | Time-Out DVRS |
| B265A-00 | Time-Out RR_CMR |
| B265B-00 | Time-Out SR_FR_CMR |
| B265C-00 | Time-Out SR_SD_CMR_LH |
| B265D-00 | Time-Out SR_SD_CMR_RH |
| B270D-00 | ECU Hardware |
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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.