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.
Climate Control
; 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
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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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