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