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 INDEXIDENTITY AUTHENTICATION UNIT DTCS
2021 Genesis GV80 2.5T Advanced, AWD
Identity Authentication Unit DTCS
2021 Genesis GV80 2.5T Advanced, AWDSECTION Identity Authentication Unit DTCS
IDENTITY AUTHENTICATION UNIT DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| B1603-00 | CAN BUS OFF (B-CAN) |
| B160F-00 | IAU Local CAN Bus Off |
| B165A-00 | BLE Module Fault |
| B165B-00 | IAU ECU I2C Error |
| B165C-00 | IAU Teaching Error |
| B166D-00 | Left Door Handle Module Fault |
| B166E-00 | Right Door Handle Module Fault |
| B167F-00 | BLE LIN Bus Off |
| B16C5-00 | CAN Time-Out DHL (Door Handle Module Left) |
| B16C6-00 | CAN Time-Out DHR (Door Handle Module Right) |
RENDER: 1.0x
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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.