Air Conditioning System DTCS
AIR CONDITIONING SYSTEM DIAGNOSTIC TROUBLE CODE IDENTIFICATION
| DTC | Description |
|---|---|
| DTC B1603 | CAN Bus OFF |
| DTC B160B | Lost Communication with E-Comp |
| DTC B160C | Lost Communication with PTC |
| DTC B1815 | PTC Heater - CAN Signal Fault (Time Out) |
| DTC B1206 | Direction Potentiometer Open (Low)-Passenger |
| DTC B1207 | Direction Potentiometer Short (High)-Passenger |
| DTC B1208 | Intake Potentiometer Open (Low) |
| DTC B1209 | Intake Potentiometer Short (High) |
| DTC B1233 | In-Car Temperature Sensor Short (Low) |
| DTC B1234 | In-Car Temperature Sensor Open (High) |
| DTC B1237 | Ambient Temperature Sensor Short (Low) |
| DTC B1238 | Ambient Temperature Sensor Open (High) |
| DTC B1241 | Evaporator Sensor Short (Low) |
| DTC B1242 | Evaporator Sensor Open (High) |
| DTC B1245 | Air Mix Potentiometer Open (Low)-Driver |
| DTC B1246 | Air Mix Potentiometer Short (High)-Driver |
| DTC B1249 | Direction Potentiometer Open (Low)-Driver |
| DTC B1250 | Direction Potentiometer Short (High)-Driver |
| DTC B1281 | Humidity Sensor Short (Low) - AUTO Defog |
| DTC B1282 | Humidity Sensor Open (High) - AUTO Defog |
| DTC B1283 | Direction Potentiometer Open (Low) - AUTO Defog |
| DTC B1284 | Direction Potentiometer Short (High) - Auto Defog |
| DTC B1285 | Direction Control Motor - AUTO Defog |
| DTC B1286 | Duct sensor short (Low) - Vent |
| DTC B1287 | Duct sensor open (High) - Vent |
| DTC B1288 | Duct sensor short (Low) - Floor |
| DTC B1289 | Duct sensor open (High) - Floor |
| DTC B1686 | Vehicle Speed Sensor Fault? CAN Signal |
| DTC B1688 | Cluster Ionizer Fault |
| DTC B1804 | HVAC Blower Motor |
| DTC B1807 | E-Comp Fault (Abnormal - not receiving) |
| DTC B1818 | PTC Heater Interlock Fault |
| DTC B1819 | APT Sensor Open (Low) |
| DTC B1820 | APT Sensor Short (High) |
| DTC B1821 | Ecomp Wait Low Voltage |
| DTC B1822 | Ecomp Wait High Voltage |
| DTC B1823 | Ecomp Wait Over Heat Protection |
| DTC B1824 | Ecomp Wait Over Current Protection |
| DTC B1825 | Ecomp Wait Low Temp Protection |
| DTC B1826 | Ecomp Sleep Missed Restart |
| DTC B1827 | Ecomp Sleep Current Sensor Error |
| DTC B182B | Ecomp Fault Short Circuit |
| DTC B182E | PTC Heater Low Voltage Low Fault |
| DTC B182F | PTC Heater Low Voltage High Fault |
| DTC B1830 | PTC Heater High Voltage Low Fault |
| DTC B1831 | PTC Heater High Voltage High Fault |
| DTC B1832 | PTC Heater Over Current Fault |
| DTC B1833 | PTC Heater Thermal Shutdown Fault |
| DTC B1834 | PTC Heater PCB Thermal Shutdown Fault |
| DTC B1835 | PTC Heater Failure of High Voltage Sensor |
| DTC B1836 | PTC Heater Failure of Low Voltage Sensor |
| DTC B1837 | PTC Heater Failure of Current Sensor |
| DTC B1838 | PTC Heater Open/Short of PCB Temperature Sensor |
| DTC B1839 | PTC Heater Open/Short of Core Temperature Sensor |
| DTC B184A | Refrigerant Temp Sensor #1 Open |
| DTC B184B | Refrigerant Temp Sensor #1 Short |
| DTC B184C | Refrigerant Temp sensor #2 Open |
| DTC B184D | Refrigerant Temp sensor #2 Short |
| DTC B1850 | 3-Way Valve #1 Open |
| DTC B1851 | 3-Way Valve #1 Short |
| DTC B1852 | 3-Way Valve #2 Open |
| DTC B1853 | 3-Way Valve #2 Short |
| DTC B1856 | Refrigerant 2-Way Valve #1 Open |
| DTC B1857 | Refrigerant 2-Way Valve #1 Short |
| DTC B1858 | Refrigerant 2-Way Valve #2 Open |
| DTC B1859 | Refrigerant 2-Way Valve #2 Short |
| DTC B185A | Coolant Valve OPEN |
| DTC B185B | Coolant Valve SHORT or LOCK |
| DTC B2209 | CAN Time-out VCU |
| DTC B2210 | CAN Time-out MCU |
| DTC B2211 | CAN Time-out BMS |
| DTC B2406 | Air Mix Motor-Driver |
| DTC B2408 | Intake Motor |
| DTC B2409 | Direction Control Motor-Driver |
| DTC B2416 | Direction Control Motor-Passenger |
| DTC B2470 | E-comp Interlock Fault |