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 INDEXINTEGRATED LED HEADLAMP CONTROL UNIT RH DTCS
2021 Genesis GV80 2.5T Advanced, AWD
Integrated Led Headlamp Control Unit RH DTCS
2021 Genesis GV80 2.5T Advanced, AWDSECTION Integrated Led Headlamp Control Unit RH DTCS
INTEGRATED LED HEADLAMP CONTROL UNIT RH DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| B1101-17 | Battery Voltage High |
| B1102-16 | Battery Voltage Low |
| B1603-88 | CAN Bus Off |
| B1621-01 | ECU Hardware |
| B1622-48 | ECU Software |
| B1636-88 | LIN Error |
| B1637-54 | System Not Initialized |
| B1661-46 | Parameter Fault And Missing |
| B16F0-87 | Lamp Control Signal Fault |
| B16F1-87 | IFS Control Signal Fault |
| B16F3-87 | Other Side ILCU Signal Fault |
| B1953-03 | AXLE Sensor Fault |
| B2219-81 | Module Error IFS Board Left |
| B2220-81 | Module Error IFS Board Right |
| B2221-81 | LIN Error LIN-HLLD Left |
| B2222-81 | LIN Error LIN-HLLD Right |
| B2475-09 | Module error LIN-HLLD Left |
| B2476-09 | Module Error LIN-HLLD Right |
| B2477-09 | Fan Error |
| B24C4-09 | LED Fault Low Beam |
| B24C5-09 | LED Fault High Beam |
| B24C6-09 | LED Fault T/Signal |
| B24C7-09 | LED Fault DRL/PSTN |
| B24C8-09 | LED Fault IFS |
| B24C9-09 | LED Driver IC Fault |
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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.