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.
2023 Genesis Electrified G80FACTORY OEM SERVICE PROCEDURE
Identity Authentication Unit DTCS
IDENTITY AUTHENTICATION UNIT DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| B1603-00 | CAN BUS OFF |
| B160F-00 | IAU Local CAN Bus OFF |
| B165A-00 | BLE Module Fault |
| B165B-00 | IAU ECU I2C Error |
| B165C-00 | IAU Teaching Error (w/IBU) |
| B166D-00 | Front Left Door Handle Module Fault |
| B166E-00 | Front Right Door Handle Module Fault |
| B167F-00 | BLE LIN BUS OFF |
| B16C5-00 | CAN Time-Out DHFL (Door Handle Front Left Module) |
| B16C6-00 | CAN Time-Out DHFR (Door Handle Front Right Module) |
| B16C9-00 | IAU-FPM Teaching Status Error |
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.