Climate Control System DTCS
CLIMATE CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC U0155 | Climate Control Unit Lost Communication with Gauge Control Module |
| DTC B121A or DTC indicator G and A/C ON | An Open in the Mode Control Motor Circuit |
| DTC B121B or DTC indicator H and A/C ON | A Short in the Mode Control Motor Circuit |
| DTC B1220 or DTC indicator L and A/C ON | A Short in the Recirculation Control Motor Circuit |
| DTC B1225 or DTC indicator A and AUTO | An Open in the In-car Temperature Sensor Circuit |
| DTC B1226 or DTC indicator B and AUTO | A Short in the In-car Temperature Sensor Circuit |
| DTC B1227 or DTC indicator C and AUTO | An Open in the Outside Air Temperature Sensor Circuit |
| DTC B1228 or DTC indicator D and AUTO | A Short in the Outside Air Temperature Sensor Circuit |
| DTC B1229 or DTC indicator E and AUTO | An Open in the Sunlight Sensor Circuit |
| DTC B1230 or DTC indicator F and AUTO | A Short in the Sunlight Sensor Circuit |
| DTC B1231 or DTC indicator G and AUTO | An Open in the Evaporator Temperature Sensor Circuit |
| DTC B1232 or DTC indicator H and AUTO | A Short in the Evaporator Temperature Sensor Circuit |
| DTC B1233 or DTC indicator A and A/C ON | An Open in the Driver's Air Mix Control Motor Circuit |
| DTC B1234 or DTC indicator B and A/C ON | A Short in the Driver's Air Mix Control Motor Circuit |
| DTC B1235 or DTC indicator C and A/C ON | A Problem in the Driver's Air Mix Control Linkage, Door, or Motor Circuit |
| DTC B1236 or DTC indicator D and A/C ON | An Open in the Passenger's Air Mix Control Motor Circuit |
| DTC B1237 or DTC indicator E and A/C ON | A Short in the Passenger's Air Mix Control Motor Circuit |
| DTC B1238 or DTC indicator F and A/C ON | A Problem in the Passenger's Air Mix Control Linkage, Door, or Motor Circuit |
| DTC B1240 or DTC indicator J and A/C ON | A Problem in the Mode Control Linkage, Doors, or Motor Circuit |
| DTC B1241 or DTC indicator N and A/C ON | A Problem m the Blower Motor Circuit |
| DTC B2983 or DTC indicator M and A/C ON | A Problem in the Recirculation Control Linkage, Door, or Motor Circuit |
| DTC B2986 or DTC indicator K and A/C ON | An Open in the Recirculation Control Motor Circuit |