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.
2011 Hyundai Azera GLSFACTORY OEM SERVICE PROCEDURE
DTC Index: HVAC
HVAC DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC B1202 | Heater Water Temperature Sensor Open (High) |
| DTC B1203 | Heater Water Temperature Sensor Short (Low) |
| DTC B1204 | Air Mix Potentiometer Open (Low)-Passenger |
| DTC B1205 | Air Mix Potentiometer Short (High)-Passenger |
| DTC B1208 | Intake Potentiometer Open (Low) |
| DTC B1209 | Intake Potentiometer Short (High) |
| DTC B1233 | In-Car Temperature Sensor Short (Low) |
| DTC B1234 | In-Car Temperature Sensor Open (High) |
| DTC B1237 | Ambient Temperature Sensor Short (Low) |
| DTC B1238 | Ambient Temperature Sensor Open (High) |
| DTC B1241 | Evaporator Sensor Short (Low) |
| DTC B1242 | Evaporator Sensor Open (High) |
| DTC B1245 | Air Mix Potentiometer Open (Low)-Driver |
| DTC B1246 | Air Mix Potentiometer Short (High)-Driver |
| DTC B1249 | Direction Potentiometer Open (Low)-Driver |
| DTC B1250 | Direction Potentiometer Short (High)-Driver |
| DTC B2406 | Air Mix Motor-Driver |
| DTC B2408 | Intake Motor |
| DTC B2409 | Direction Control Motor-Driver |
| DTC B2415 | Air Mix Door Motor-Passenger |
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.
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