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Air Conditioning System

AIR CONDITIONING SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [11/2015 - 11/2017]

DTC Code Description
B1245 Lost Communication with Wiper ECU LIN
B1279 Lost Communication with Humidity/Rain Sensor LIN
B1373 Lost Communication with Wiper System LIN BUS
B1411-11 Room Temperature Sensor Circuit
B1412-12 Ambient Temperature Sensor Circuit
B1413-13 Evaporator Temperature Sensor Circuit
B1423 Pressure Sensor Circuit
B1441 Air Mix Damper Control Servo Motor Circuit (Passenger Side)
B1442 Air Inlet Damper Control Servo Motor Circuit
B1443 Air Outlet Damper Control Servo Motor Circuit
B1448 Passenger Side FACE Servo Motor Circuit
B1449 Rear Air Outlet Damper Control Servo Motor Circuit
B1471 A/C Inverter High Voltage Power Resource System Malfunction
B1472-72 A/C Inverter High Voltage Output System Malfunction
B1473 A/C Inverter Start-up Signal System Malfunction
B1474-74 A/C Inverter Malfunction
B1475 A/C Inverter Cooling / Heating System Malfunction
B1476-76 A/C Inverter Load System Malfunction
B1477-77 A/C Inverter Low Voltage Power Resource System Malfunction
B1497 BUS IC Communication Malfunction
B1498 Communication Malfunction (A/C Inverter Local)
B14A2 Driver Side Solar Sensor Short Circuit
B14A8 Glass Temperature Sensor Circuit
B14A9 Glass Surroundings Temperature Sensor Circuit
B14AA Glass Humidity Sensor Circuit
B14B2 Lost Communication with Front Panel LIN
B14B8 Refrigerant Shortage
P1C7C-49 Hybrid/EV Battery Voltage System Isolation (A/C Area) Internal Electronic Failure
U0131 Lost Communication with Electric Power Steering ECU
U0142 Lost Communication with Main Body ECU
U0151 Lost Communication with Restraints Control Module
U0155 Lost Communication with Combination Meter
U0293 Lost Communication with HV ECU
AIR CONDITIONING SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [11/2017 - 12/2018]

DTC Code Description
B1245 Lost Communication with Wiper ECU LIN
B1279 Lost Communication with Humidity/Rain Sensor LIN
B1373 Lost Communication with Wiper System LIN BUS
B1411-11 Room Temperature Sensor Circuit
B1412-12 Ambient Temperature Sensor Circuit
B1413-13 Evaporator Temperature Sensor Circuit
B1423 Pressure Sensor Circuit
B1441 Air Mix Damper Control Servo Motor Circuit (Passenger Side)
B1442 Air Inlet Damper Control Servo Motor Circuit
B1443 Air Outlet Damper Control Servo Motor Circuit
B1448 Passenger Side FACE Servo Motor Circuit
B1449 Rear Air Outlet Damper Control Servo Motor Circuit
B1471 A/C Inverter High Voltage Power Resource System Malfunction
B1472-72 A/C Inverter High Voltage Output System Malfunction
B1473 A/C Inverter Start-up Signal System Malfunction
B1474-74 A/C Inverter Malfunction
B1475 A/C Inverter Cooling / Heating System Malfunction
B1476-76 A/C Inverter Load System Malfunction
B1477-77 A/C Inverter Low Voltage Power Resource System Malfunction
B1497 BUS IC Communication Malfunction
B1498 Communication Malfunction (A/C Inverter Local)
B14A2 Driver Side Solar Sensor Short Circuit
B14A8 Glass Temperature Sensor Circuit
B14A9 Glass Surroundings Temperature Sensor Circuit
B14AA Glass Humidity Sensor Circuit
B14B2 Lost Communication with Front Panel LIN
B14B8 Refrigerant Shortage
P1C7C-49 Hybrid/EV Battery Voltage System Isolation (A/C Area) Internal Electronic Failure
U0131 Lost Communication with Electric Power Steering ECU
U0142 Lost Communication with Main Body ECU
U0151 Lost Communication with Restraints Control Module
U0155 Lost Communication with Combination Meter
U0163 Lost Communication with Navigation Control Module
U0293 Lost Communication with HV ECU
AIR CONDITIONING SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [12/2018 - 08/2019]

DTC Code Description
B1245 Lost Communication with Wiper ECU LIN
B1279 Lost Communication with Humidity/Rain Sensor LIN
B1373 Lost Communication with Wiper System LIN BUS
B1411-11 Room Temperature Sensor Circuit
B1412-12 Ambient Temperature Sensor Circuit
B1413-13 Evaporator Temperature Sensor Circuit
B1423 Pressure Sensor Circuit
B1441 Air Mix Damper Control Servo Motor Circuit (Passenger Side)
B1442 Air Inlet Damper Control Servo Motor Circuit
B1443 Air Outlet Damper Control Servo Motor Circuit
B1448 Passenger Side FACE Servo Motor Circuit
B1449 Rear Air Outlet Damper Control Servo Motor Circuit
B1471 A/C Inverter High Voltage Power Resource System Malfunction
B1472-72 A/C Inverter High Voltage Output System Malfunction
B1473 A/C Inverter Start-up Signal System Malfunction
B1474-74 A/C Inverter Malfunction
B1475 A/C Inverter Cooling / Heating System Malfunction
B1476-76 A/C Inverter Load System Malfunction
B1477-77 A/C Inverter Low Voltage Power Resource System Malfunction
B1497 BUS IC Communication Malfunction
B1498 Communication Malfunction (A/C Inverter Local)
B14A2 Driver Side Solar Sensor Short Circuit
B14A8 Glass Temperature Sensor Circuit
B14A9 Glass Surroundings Temperature Sensor Circuit
B14AA Glass Humidity Sensor Circuit
B14B2 Lost Communication with Front Panel LIN
B14B8 Refrigerant Shortage
P1C7C-49 Hybrid/EV Battery Voltage System Isolation (A/C Area) Internal Electronic Failure
U0131 Lost Communication with Electric Power Steering ECU
U0142 Lost Communication with Main Body ECU
U0151 Lost Communication with Restraints Control Module
U0155 Lost Communication with Combination Meter
U0163 Lost Communication with Navigation Control Module
U0293 Lost Communication with HV ECU
AIR CONDITIONING SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [08/2019 - 07/2020]

DTC Code Description
B1245 Lost Communication with Wiper ECU LIN
B1279 Lost Communication with Humidity/Rain Sensor LIN
B1373 Lost Communication with Wiper System LIN BUS
B1411-11 Room Temperature Sensor Circuit
B1412-12 Ambient Temperature Sensor Circuit
B1413-13 Evaporator Temperature Sensor Circuit
B1423 Pressure Sensor Circuit
B1441 Air Mix Damper Control Servo Motor Circuit (Passenger Side)
B1442 Air Inlet Damper Control Servo Motor Circuit
B1443 Air Outlet Damper Control Servo Motor Circuit
B1448 Passenger Side FACE Servo Motor Circuit
B1449 Rear Air Outlet Damper Control Servo Motor Circuit
B1471 A/C Inverter High Voltage Power Resource System Malfunction
B1472-72 A/C Inverter High Voltage Output System Malfunction
B1473 A/C Inverter Start-up Signal System Malfunction
B1474-74 A/C Inverter Malfunction
B1475 A/C Inverter Cooling / Heating System Malfunction
B1476-76 A/C Inverter Load System Malfunction
B1477-77 A/C Inverter Low Voltage Power Resource System Malfunction
B1497 BUS IC Communication Malfunction
B1498 Communication Malfunction (A/C Inverter Local)
B14A2 Driver Side Solar Sensor Short Circuit
B14A8 Glass Temperature Sensor Circuit
B14A9 Glass Surroundings Temperature Sensor Circuit
B14AA Glass Humidity Sensor Circuit
B14B2 Lost Communication with Front Panel LIN
B14B8 Refrigerant Shortage
P1C7C-49 Hybrid/EV Battery Voltage System Isolation (A/C Area) Internal Electronic Failure
U0131 Lost Communication with Electric Power Steering ECU
U0142 Lost Communication with Main Body ECU
U0151 Lost Communication with Restraints Control Module
U0155 Lost Communication with Combination Meter
U0163 Lost Communication with Navigation Control Module
U0293 Lost Communication with HV ECU
AIR CONDITIONING SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [07/2020 - ]

DTC Code Description
B1245 Lost Communication with Wiper ECU LIN
B1279 Lost Communication with Humidity/Rain Sensor LIN
B1373 Lost Communication with Wiper System LIN BUS
B1411-11 Room Temperature Sensor Circuit
B1412-12 Ambient Temperature Sensor Circuit
B1413-13 Evaporator Temperature Sensor Circuit
B1423 Pressure Sensor Circuit
B1441 Air Mix Damper Control Servo Motor Circuit (Passenger Side)
B1442 Air Inlet Damper Control Servo Motor Circuit
B1443 Air Outlet Damper Control Servo Motor Circuit
B1448 Passenger Side FACE Servo Motor Circuit
B1449 Rear Air Outlet Damper Control Servo Motor Circuit
B1471 A/C Inverter High Voltage Power Resource System Malfunction
B1472-72 A/C Inverter High Voltage Output System Malfunction
B1473 A/C Inverter Start-up Signal System Malfunction
B1474-74 A/C Inverter Malfunction
B1475 A/C Inverter Cooling / Heating System Malfunction
B1476-76 A/C Inverter Load System Malfunction
B1477-77 A/C Inverter Low Voltage Power Resource System Malfunction
B1497 BUS IC Communication Malfunction
B1498 Communication Malfunction (A/C Inverter Local)
B14A2 Driver Side Solar Sensor Short Circuit
B14B2 Lost Communication with Front Panel LIN
B14B8 Refrigerant Shortage
P1C7C-49 Hybrid/EV Battery Voltage System Isolation (A/C Area) Internal Electronic Failure
U0131 Lost Communication with Electric Power Steering ECU
U0142 Lost Communication with Main Body ECU
U0151 Lost Communication with Restraints Control Module
U0155 Lost Communication with Combination Meter
U0163 Lost Communication with Navigation Control Module
U0293 Lost Communication with HV ECU