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.
2024 Kia EV9 LightFACTORY OEM SERVICE PROCEDURE
Identity Authentication Unit DTCS
IDENTITY AUTHENTICATION UNIT DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| B160F-00 | IAU Local CAN Bus OFF |
| B166D-00 | Front Left Door Handle Module Fault |
| B166E-00 | Front Right Door Handle Module Fault |
| B16C5-00 | CAN time-Out DHFL (Door Handle Front Left Module) |
| B16C6-00 | CAN time-Out DHFR (Door Handle FRont Right Module) |
| B18CC-00 | IAU Teaching Error (w/FPM) |
| B18CF-00 | IAU ECU SPI Error |
| B18D9-00 | BLE Address Mismatch |
| B18DA-00 | IAU Teaching Error (w/VIN) |
| B18DB-00 | BDC UFKC Update Error |
Factory Service Tools
Use the Manual With the Right 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.