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 MANUALSGENESIS2021G80 2.5T ADVANCED, AWDREPAIR AND DIAGNOSISQUICK LOOKUPSDTC INDEXAIR CONDITIONING SYSTEM DTCS
2021 Genesis G80 2.5T Advanced, AWD
Air Conditioning System DTCS
2021 Genesis G80 2.5T Advanced, AWDSECTION Air Conditioning System DTCS
AIR CONDITIONING SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| B1204-13 | Air mix potentiometer open (Low) - Passenger |
| B1205-11 | Air mix potentiometer short (High) - Passenger |
| B1206-13 | Direction Potentiometer Open (Low)-Passenger |
| B1207-11 | Direction Potentiometer Short (High)-Passenger |
| B1208-13 | Intake potentiometer open (Low) |
| B1209-11 | Intake potentiometer short (High) |
| B1233-11 | In-car temperature sensor short (Low) |
| B1234-13 | In-car temperature sensor open (High) |
| B1237-11 | Ambient temperature sensor short (Low) |
| B1238-13 | Ambient temperature sensor open (High) |
| B123A-13 | Warm Bypass potentiometer open (Low) |
| B123B-11 | Warm Bypass potentiometer short (High) |
| B123C-77 | Warm Bypass control motor |
| B123D-13 | Indirect Vent potentiometer open (Low) |
| B123E-11 | Indirect Vent potentiometer short (High) |
| B123F-77 | Indirect Vent control motor |
| B1241-11 | Evaporator sensor short (Low) |
| B1242-13 | Evaporator sensor open (High) |
| B1245-13 | Air mix potentiometer open (Low) - Driver |
| B1246-11 | Air mix potentiometer short (High) - Driver |
| B1249-13 | Direction potentiometer open (Low) |
| B124B-13 | Air Mix Potentiometer-TEMP A Open (Low)-Console |
| B124C-11 | Air Mix Potentiometer-TEMP A Short (High)-Console |
| B124D-77 | Air Mix Motor-TEMP A (Console) |
| B1250-11 | Direction potentiometer short (High) |
| B1275-13 | Air Direction Potentiometer-Open (Low) - Console |
| B1276-11 | Air Direction Potentiometer - Short (High) - Console |
| B1277-13 | Air Mix Potentiometer-TEMP Open (Low)-Console |
| B1278-11 | Air Mix Potentiometer-TEMP Short (High)-Console |
| B1281-11 | Humidity Sensor Short (Low) - Auto Defog |
| B1283-13 | Direction Potentiometer Open (Low) - Auto Defog |
| B1284-11 | Direction Potentiometer Short (High) - Auto Defog |
| B1285-77 | Direction Control Motor - Auto Defog |
| B12A0-13 | Console On/Off Potentiometer Open (Low) |
| B12A1-11 | Console On/Off Potentiometer Short (High) |
| B1672-88 | APT Sensor Fault - CAN Signal |
| B1685-88 | Engine RPM fault - CAN Signal |
| B1686-88 | Vehicle Speed Sensor Fault - CAN Signal |
| B1687-88 | Engine Coolant Temperature Sensor Circuit - CAN Signal |
| B16A1-88 | Photo Sensor Signal - LH Fault - CAN Signal |
| B16A2-88 | Photo Sensor Signal - RH Fault - CAN Signal |
| B16A4-13 | ECV Fault |
| B1773-88 | Climate CAN Communication Fail (Rear) |
| B1774-88 | Climate CAN Communication Fail (Panel) |
| B2406-77 | Air Mix Motor-Driver |
| B2408-77 | Intake Motor |
| B2409-77 | Direction Control Motor-Driver |
| B2415-77 | Air Mix Door Motor-Passenger |
| B2416-77 | Direction Control Motor-Passenger |
| B2447-77 | Air Direction Motor (Console) |
| B2448-77 | Air Mix Motor TEMP-Console |
| B2449-77 | Console On/Off Control Motor |
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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.