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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2008 Acura MDX
Climate Control
2008 Acura MDXSECTION Climate Control
CLIMATE CONTROL DIAGNOSTIC TROUBLE CODE (DTC) INDENTIFICATION
| DTC | Description |
|---|---|
| DTC B1202 | Climate Control Unit Internal Error |
| DTC B1205; B1206; B1207 | Climate Control Unit Lost Communication with Gauge Control Module (VSP/NE message); Climate Control Unit Lost Communication with Gauge Control Module (ECT message); Climate Control Unit Lost Communication with Gauge Control Module (ILLUMI message) |
| DTC B1213 | An Open in the Rear Evaporator Temperature Sensor Circuit |
| DTC B1214 | A Short in the Rear Evaporator Temperature Sensor Circuit |
| DTC B1215 | An Open or Short in the Recirculation Control Motor Circuit |
| DTC B1223 | A Problem in the Rear Blower Motor Circuit |
| DTC B1225 | An Open in the In-car Temperature Sensor Circuit |
| DTC B1226 | A Short in the In-car Temperature Sensor Circuit |
| DTC B1227 | An Open in the Outside Air Temperature Sensor Circuit |
| DTC B1228 | A Short in the Outside Air Temperature Sensor Circuit |
| DTC B1229 | An Open in the Sunlight Sensor Circuit |
| DTC B1230 | A Short in the Sunlight Sensor Circuit |
| DTC B1231 | An Open in the Front Evaporator Temperature Sensor Circuit |
| DTC B1232 | A Short in the Front Evaporator Temperature Sensor Circuit |
| DTC B1233 | An Open in the Driver's Air Mix Control Motor Circuit |
| DTC B1234 | A Short in the Driver's Air Mix Control Motor Circuit |
| DTC B1235 | A Problem in the Driver's Air Mix Control Linkage, Door, or Motor Circuit |
| DTC B1236 | An Open in the Passenger's Air Mix Control Motor Circuit |
| DTC B1237 | A Short in the Passenger's Air Mix Control Motor Circuit |
| DTC B1238 | A Problem in the Passenger's Air Mix Control Linkage, Door, or Motor Circuit |
| DTC B1239 | An Open or Short in the Front Mode Control Motor Circuit |
| DTC B1240 | A Problem in the Front Mode Control Linkage, Doors, or Motor Circuit |
| DTC B1241 | A Problem in the Front Blower Motor Circuit |
| DTC B1244 | An Open in the Rear Air Mix Control Motor Circuit |
| DTC B1245 | A Short in the Rear Air Mix Control Motor Circuit |
| DTC B1246 | A Problem in the Rear Air Mix Control Linkage, Door, or Motor Circuit |
| DTC B2965 | Climate Control Unit Lost Communication with Rear Climate Control Panel |
| DTC B2967 | An Open in the Humidity Sensor Circuit |
| DTC B2968 | A Short in the Humidity Sensor Circuit |
| DTC B2969 | Climate Control Unit Lost Communication with Combination Switch Control Unit (WIPSW message) |
| DTC B2970 | Climate Control Unit Lost Communication with Relay Control Module (RM message) |
| DTC B2979 | An Open in the A/C Pressure Sensor Circuit |
| DTC B2980 | A short in the A/C Pressure Sensor Circuit |
| DTC B2981 | Climate Control Unit Lost Communication with Navigation Unit |
| DTC B2983 | A problem in the Recirculation Control Linkage, Door, or Motor Circuit |
| DTC B2991 | Climate Control Unit Lost Communication with Audio Unit |
RENDER: 1.0x
NO RELATED
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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.