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.
2021 Genesis G90 3.3T Premium, AWDFACTORY OEM SERVICE PROCEDURE
Driver Door Module DTCS
DRIVER DOOR MODULE DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC B1602 | 00: CAN Line Error |
| DTC B1603 | 00: CAN Bus OFF |
| DTC B161C | 00: LIN Error AHI-CON |
| DTC B1631 | 00: LIN Communication Error - FL SPW |
| DTC B1632 | 00: LIN Communication Error - FR SPW |
| DTC B1633 | 00: LIN Communication Error - RL SPW |
| DTC B1634 | 00: LIN Communication Error - RR SPW |
| DTC B169B | 00: LIN Error LHI-CON |
| DTC B169C | 00: LIN Error RLDM |
| DTC B169D | 00: LIN Error RRDM |
| DTC B16B0 | 00: RL Door Curtain - Non Initialization |
| DTC B16B1 | 00: RR Door Curtain - Non Initialization |
| DTC B16B3 | 00: FL SPW not Initialized |
| DTC B16B4 | 00: FR SPW not Initialized |
| DTC B16B5 | 00: RL SPW not Initialized |
| DTC B16B6 | 00: RR SPW not Initialized |
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.