Air Conditioning System DTCS
AIR CONDITIONING SYSTEM DIAGNOSTIC TROUBLE CODE IDENTIFICATION
| DTC | Description |
|---|---|
| DTC B1204-13 | Air Mix Potentiometer Open (Low)-Passenger |
| DTC B1205-11 | Air Mix Potentiometer Short (High)-Passenger |
| DTC B1206-13 | Direction Potentiometer Open (Low)-Passenger |
| DTC B1207-11 | Direction Potentiometer Short (High)-Passenger |
| DTC B1208-13 | Intake Potentiometer Open (Low) |
| DTC B1209-11 | Intake Potentiometer Short (High) |
| DTC B1233-11 | Incar Temp Sensor Short (Low) - Front |
| DTC B1234-13 | Incar Temp Sensor Open (High) - Front |
| DTC B1237-11 | Ambient Temperature Sensor Short (Low) |
| DTC B1238-13 | Ambient Temperature Sensor Open (High) |
| DTC B1241-11 | Evaporator Sensor Short (Low) |
| DTC B1242-13 | Evaporator Sensor Open (High) |
| DTC B1245-13 | Air Mix Potentiometer Open (Low)-Driver |
| DTC B1246-11 | Air Mix Potentiometer Short (High)-Driver |
| DTC B1249-13 | Direction Potentiometer Open (Low)-Driver |
| DTC B1250-11 | Direction Potentiometer Short (High)-Driver |
| DTC B1275-13 | Air Direction Potentiometer- Open (Low) - Console |
| DTC B1276-11 | Air Direction Potentiometer - Short (High) - Console |
| DTC B1281-11 | Humidity Sensor Short (Low) - AUTO Defog |
| DTC B1283-13 | Direction Potentiometer Open (Low) - AUTO Defog |
| DTC B1284-11 | Direction Potentiometer Short (High) - Auto Defog |
| DTC B1285-77 | Direction Control Motor - AUTO Defog |
| DTC B1286-11 | Duct Sensor Short (Low) - Driver Vent |
| DTC B1287-13 | Duct Sensor Open (High) - Driver Vent |
| DTC B1288-11 | Duct Sensor Short (Low) - Driver Floor |
| DTC B1289-13 | Duct Sensor Open (High) - Driver Floor |
| DTC B128C-13 | Rear Temp Cool Potentiometer - Open (Low) |
| DTC B128D-11 | Rear Temp Cool Potentiometer - Open (High) |
| DTC B128E-13 | Rear Temp Warm Potentiometer - Open (Low) |
| DTC B128F-11 | Rear Temp Warm Potentiometer - Open (High) |
| DTC B12A8-11 | Duct Sensor Short (Low) - Passenger Vent |
| DTC B12A9-13 | Duct Sensor Open (High) - Passenger Vent |
| DTC B12AA-11 | Duct Sensor Short (Low) - Passenger Floor |
| DTC B12AB-13 | Duct Sensor Open (High) - Passenger Floor |
| DTC B12B4-11 | Duct Sensor Short (Low) - Def |
| DTC B12B5-13 | Duct Sensor Open (High) - Def |
| DTC B160C-88 | Lost Communication With PTC |
| DTC B1686-88 | Vehicle Speed Sensor Fault - CAN Signal |
| DTC B1695-88 | CAN Time-Out Comp |
| DTC B1696-88 | COMP Oper. State Error |
| DTC B1777-88 | PTC HTR IGBT Fault |
| DTC B1804-31 | HVAC Blower Motor |
| DTC B1804-49 | HVAC Blower Motor |
| DTC B1807-88 | E-Comp Fault (Abnormal - Not Receiving) |
| DTC B1815-88 | PTC Heater - CAN Signal Fault (Time Out) |
| DTC B1818-13 | PTC Heater Interlock Fault |
| DTC B1821-88 | Ecomp Wait Low Voltage |
| DTC B1822-88 | Ecomp Wait High Voltage |
| DTC B1823-88 | Ecomp Wait Over Heat Protection |
| DTC B1824-88 | Ecomp Wait Over Current Protection |
| DTC B1825-88 | Ecomp Wait Low Temp Protection |
| DTC B1826-88 | Ecomp Sleep Missed Restart |
| DTC B1827-88 | Ecomp Sleep Current Sensor Error |
| DTC B182B-88 | Ecomp Fault Short Circuit |
| DTC B182E-88 | PTC HTR LV Low Fault |
| DTC B182F-88 | PTC HTR LV High Fault |
| DTC B1830-88 | PTC HTR HV Low Fault |
| DTC B1831-88 | PTC HTR HV High Fault |
| DTC B1832-88 | PTC HTR Over Current Fault |
| DTC B1833-88 | PTC HTR Thermal Shutdown Fault |
| DTC B1834-88 | PTC HTR PCB Thermal Shutdown Fault |
| DTC B1835-88 | PTC HTR Failure Of High Voltage Sensor |
| DTC B1836-88 | PTC HTR Failure Of Low Voltage Sensor |
| DTC B1837-88 | PTC HTR Failure Of Current Sensor |
| DTC B1838-88 | PTC HTR Open/Short Of PCB Temperature Sensor |
| DTC B1839-88 | PTC HTR Open/Short Of Core Temperature Sensor |
| DTC B184A-13 | Refrigerant Temp Sensor #1 Open |
| DTC B184B-11 | Refrigerant Temp Sensor #1 Short |
| DTC B185C-13 | SOL TXV Open - EVAP |
| DTC B185D-11 | SOL TXV Short - EVAP |
| DTC B185F-88 | PTC HTR-Lost Communication With FATC |
| DTC B1860-13 | Refrigerant Temp Sensor - EXV Open |
| DTC B1861-11 | Refrigerant Temp Sensor - EXV Short |
| DTC B1869-11 | PT Sensor - High Pressure Sensor |
| DTC B1869-13 | PT Sensor - High Pressure Sensor |
| DTC B186A-11 | PT Sensor - Low Pressure Sensor |
| DTC B186A-13 | PT Sensor - Low Pressure Sensor |
| DTC B186C-19 | HVAC BLDC MOTOR - Over Current |
| DTC B186D-16 | HVAC BLDC MOTOR - Under Voltage |
| DTC B186E-17 | HVAC BLDC MOTOR - Over Voltage |
| DTC B186F-77 | HVAC BLDC MOTOR - Motor Stuck |
| DTC B1871-17 | Ref Valve Fault - EXV (H/P) - Low Voltage |
| DTC B1872-4B | Ref Valve Fault - EXV (H/P) - Over Temp |
| DTC B1873-4B | Ref Valve Fault - EXV (H/P) - Under Temp |
| DTC B1874-01 | Ref Valve Fault - EXV (H/P) - Electrical Fault |
| DTC B1875-07 | Ref Valve Fault - EXV (H/P) - Valve Fault |
| DTC B1876-88 | Ref Valve Fault - EXV (H/P) - LIN Fail |
| DTC B1877-16 | Ref Valve Fault - EXV (H/P) - High Voltage |
| DTC B1878-4B | HVAC BLDC MOTOR - Over Temperature |
| DTC B187A-88 | HVAC BLDC MOTOR - Controller Shutdown |
| DTC B187C-88 | HVAC BLDC MOTOR - LIN Fail |
| DTC B1880-16 | Ref Valve Fault - EXV (B/Chiller) - High Voltage |
| DTC B1881-17 | Ref Valve Fault - EXV (B/Chiller) - Low Voltage |
| DTC B1882-4B | Ref Valve Fault - EXV (B/Chiller) - Over Temp |
| DTC B1883-4B | Ref Valve Fault - EXV (B/Chiller) - Under Temp |
| DTC B1884-01 | Ref Valve Fault - EXV (B/Chiller) - Electrical Fault |
| DTC B1885-07 | Ref Valve Fault - EXV (B/Chiller) - Valve Fault |
| DTC B1886-88 | Ref Valve Fault - EXV (B/Chiller) - LIN Fail |
| DTC B1890-16 | Ref Valve Fault - 3WAY (R/D) - High Voltage |
| DTC B1891-17 | Ref Valve Fault - 3WAY (R/D) - Low Voltage |
| DTC B1892-4B | Ref Valve Fault - 3WAY (R/D) - Over Temp |
| DTC B1893-4B | Ref Valve Fault - 3WAY (R/D) - Under Temp |
| DTC B1894-01 | Ref Valve Fault - 3WAY (R/D) - Electrical Fault |
| DTC B1895-07 | Ref Valve Fault - 3WAY (R/D) - Valve Fault |
| DTC B1896-88 | Ref Valve Fault - 3WAY (R/D) - LIN Fail |
| DTC B18A0-16 | Ref Valve Fault - 2WAY (DeHUMI) - High Voltage |
| DTC B18A1-17 | Ref Valve Fault - 2WAY (DeHUMI) - Low Voltage |
| DTC B18A2-4B | Ref Valve Fault - 2WAY (DeHUMI) - Over Temp |
| DTC B18A3-4B | Ref Valve Fault - 2WAY (DeHUMI) - Under Temp |
| DTC B18A4-01 | Ref Valve Fault - 2WAY (DeHUMI) - Electrical Fault |
| DTC B18A5-07 | Ref Valve Fault - 2WAY (DeHUMI) - Valve Fault |
| DTC B18A6-88 | Ref Valve Fault - 2WAY (DeHUMI) - LIN Fail |
| DTC B18A7-16 | Cool Valve Fault - 3WAY - High Voltage |
| DTC B18A8-17 | Cool Valve Fault - 3WAY - Low Voltage |
| DTC B18A9-4B | Cool Valve Fault - 3WAY - Over Temp |
| DTC B18AA-4B | Cool Valve Fault - 3WAY - Under Temp |
| DTC B18AB-01 | Cool Valve Fault - 3WAY - Electrical Fault |
| DTC B18AC-07 | Cool Valve Fault - 3WAY - Valve Fault |
| DTC B18AD-88 | Cool Valve Fault - 3WAY - LIN Fail |
| DTC B2209-87 | CAN Time-Out VCU |
| DTC B2406-77 | Air Mix Motor-Driver |
| DTC B2408-77 | Intake Motor |
| DTC B2409-77 | Direction Control Motor-Driver |
| DTC B2415-77 | Air Mix Motor-Passenger |
| DTC B2416-77 | Direction Control Motor-Passenger |
| DTC B241A-77 | Rear Temp Cool Motor |
| DTC B241B-77 | Rear Temp Warm Motor |
| DTC B2447-77 | Air Direction Motor (Console) |
| DTC B2470-13 | E-Comp Interlock Fault |