Heating/Air Conditioning DTCS
HEATING/AIR CONDITIONING DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| B1231 or indicator 7 | An Open in the Evaporator Temperature Sensor Circuit |
| B1232 or indicator 8 | A Short in the Evaporator Temperature Sensor Circuit |
| B1233 or indicator 1 | An Open in the Front Air Mix Control Motor Circuit |
| B1234 or indicator 2 | A Short in the Front Air Mix Control Motor Circuit |
| B1235 or indicator 3 | A Problem in the Front Air Mix Control Linkage, Door, or Motor |
| B1239 or indicator 4 | An Open or Short in the Front Mode Control Motor Circuit |
| B1240 or indicator 5 | A Problem in the Front Mode Control Linkage, Doors, or Motor |
| B1241 or indicator 6 | A Problem in the Front Blower Motor Circuit |
| B1244 or indicator 9 | An Open in the Rear Air Mix Control Motor Circuit |
| B1245 or indicator 10 | A Short in the Rear Air Mix Control Motor Circuit |
| B1246 or indicator 11 | A Problem in the Rear Air Mix Control Linkage, Door, or Motor |
| B1221 or indicator 12 | An Open in the Rear Mode Control Motor Circuit |
| B1247 or indicator 12 or 13 | An Open or Short in the Rear Mode Control Motor Circuit |
| B1248 or indicator 14 | A Problem in the Rear Mode Control Linkage, Doors, or Motor |
| B1223 or indicator 15 | A Problem in the Rear Blower Motor Circuit |
| B1202 | A/C Control Panel Internal Error |
| B1205 | A/C Control Panel Lost Communication with Gauge Control Module (VSP/NE message) |
| B1206 | A/C Control Panel Lost Communication with Gauge Control Module (ENGTEMP message) |
| B1207 | A/C Control Panel Lost Communication with Gauge Control Module (ILLUMI message) |