Heating/Air Conditioning DTCS
HEATING/AIR CONDITIONING DIAGNOSTIC TROUBLE CODES (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC U0155 | HVAC Control Unit Lost Communication With Gauge Control Module |
| DTC B1215 or DTC Indicator 8 | An Open or Short In the Recirculation Control Motor Circuit |
| DTC B1223 or DTC Indicator 1 | A Problem In the Rear Blower Motor Circuit |
| DTC B1227 or DTC indicator 5 | An Open In the Outside Air Temperature Sensor Circuit |
| DTC B1228 or DTC Indicator 5 | A Short In the Outside Air Temperature Sensor Circuit |
| DTC B1231 or DTC Indicator 5 | An Open In the Evaporator Temperature Sensor Circuit |
| DTC B1232 or DTC Indicator 4 | A Short In the Evaporator Temperature Sensor Circuit |
| DTC B1233 or DTC Indicator 2 | An Open In the Front Air Mix Control Motor Circuit |
| DTC B1234 or DTC Indicator 2 | A Short In the Front Air Mix Control Motor Circuit |
| DTC B1235 or DTC Indicator 2 | A Problem In the Front Air Mix Control Linkage; Door Or Motor Circuit |
| DTC B1239 or DTC Indicator 3 | An Open or Short In the Front Mode Control Motor Circuit |
| DTC B1240 or DTC Indicator 3 | A Problem In the Front Mode Control Linkage; Doors Or Motor Circuit |
| DTC B1241 or DTC Indicator 1 | A Problem In the Front Blower Motor Circuit |
| DTC B1244 Or DTC Indicator 7 | An Open In the Rear Air Mix Control Motor Circuit |
| DTC B1245 Or DTC Indicator 7 | A Short In the Rear Air Mix Control Motor Circuit |
| DTC B1246 or DTC Indicator 7 | A Problem In the Rear Air Mix Control Linkage; Door Or Motor Circuit |
| DTC B2965 | HVAC Control Unit Lost Communication With Rear HVAC Control Panel |
| DTC B2979 or DTC Indicator 6 | An Open In the A/C Pressure Sensor Circuit |
| DTC B2980 or DTC indicator 6 | A Short In the A/C Pressure Sensor Circuit |
| DTC B2983 or DTC Indicator 8 | A Problem In the Recirculation Control Linkage; Door Or Motor Circuit |