Climate Control System DTCS
Climate Control Diagnostic Trouble Code Identification
| DTC | Description |
|---|---|
| B121A | An Open in the Mode Control Motor Circuit |
| B121B | A Short in the Mode Control Motor Circuit ('12-'13) |
| B121B | A Short in the Mode Control Motor Circuit ('14-'15) |
| B121D | Humidity/In-Car Temperature Sensor Communication Error |
| B1220 | A Short in the Recirculation Control Motor Circuit ('12-'13) |
| B1220 | A Short in the Recirculation Control Motor Circuit ('14-'15) |
| B1227 | An Open in the Outside Air Temperature Sensor Circuit |
| B1228 | A Short in the Outside Air Temperature Sensor Circuit |
| B1229 | An Open in the Sunlight Sensor Circuit ('12) |
| B1229 | An Open in the Sunlight Sensor Circuit ('13-'15) |
| B1230 | A Short in the Sunlight Sensor Circuit |
| B1231 | An Open in the Evaporator Temperature Sensor Circuit |
| B1232 | A Short in the Evaporator Temperature Sensor Circuit |
| B1233 | An Open in the Air Mix Control Motor Circuit |
| B1234 | A Short in the Air Mix Control Motor Circuit |
| B1235 | A Problem in the Air Mix Control Motor Circuit, Linkage, Door, or Motor |
| B1240 | A Problem in the Mode Control Motor Circuit, Linkage, Doors, or Motor |
| B1241 | A Problem in the Blower Motor Circuit |
| B2983 | A Problem in the Recirculation Control Motor Circuit, Linkage, Door, or Motor |
| B2986 | An Open in the Recirculation Control Motor Circuit ('12-'13) |
| B2986 | An Open in the Recirculation Control Motor Circuit ('14-'15) |
| U1280 | Communication Bus Line Error (BUS-OFF) |
| U128D | Lost Communication with Gauge Control Module (Climate Control Unit), DTC Indicator 81: Climate Control Unit Lost Communication with Gauge Control Module (ECT message), DTC Indicator 82: Climate Control Unit Lost Communication with Gauge Control Module (ILLUMI message), DTC Indicator 83: Climate Control Unit Lost Communication with Gauge Control Module (VSP message) |