AIR CONDITIONING SYSTEM(for Automatic Air Conditioning System) DIAGNOSTIC TROUBLE CODE CHART

AIR CONDITIONING SYSTEM
DTC No.	Detection Item	DTC Detection Condition	Link
B1411/11	Room Temperature Sensor Circuit	Open or short in room temperature sensor circuit	Click here
B1412/12	Ambient Temperature Sensor Circuit	Open or short in ambient temperature sensor circuit	Click here
B1413/13	Evaporator Temperature Sensor Circuit	Open or short in evaporator temperature sensor circuit	Click here
B1423/23	Pressure Sensor Circuit	Open or short in air conditioner pressure sensor circuit Refrigerant pressure on high pressure side is extremely low (176 kPa (1.8 kgf/cm², 26 psi) or less) or extremely high (3025 kPa (30.8 kgf/cm², 439 psi) or more)	Click here
B1441/41	Air Mix Damper Control Servo Motor Circuit (Passenger Side)	Air mix damper position sensor value does not change even if air conditioning amplifier assembly operates air mix damper servo sub-assembly (for front passenger side) (for dual type) or air mix damper servo sub-assembly (for single type)	Click here
B1442/42	Air Inlet Damper Control Servo Motor Circuit	Air inlet damper position sensor value does not change even if air conditioning amplifier assembly operates recirculation damper servo sub-assembly	Click here
B1443/43	Air Outlet Damper Control Servo Motor Circuit	Air outlet damper position sensor value does not change even if air conditioning amplifier assembly operates mode damper servo sub-assembly	Click here
B1446/46	Air Mix Damper Control Servo Motor Circuit (Driver Side)	Air mix damper position sensor value does not change even if air conditioning amplifier assembly operates air mix damper servo sub-assembly (for driver side)	Click here
B1451/51	Compressor Solenoid Circuit	Open or short in compressor solenoid circuit	Click here
B1497/97	BUS IC Communication Malfunction	Error or open in communication line	Click here
B14A2	Driver Side Solar Sensor Short Circuit	Short in driver side cooler (solar sensor) thermistor (for dual type) or cooler (solar sensor) thermistor (for single type) circuit	Click here
B14A3	Front Passenger Side Solar Sensor Short Circuit	Short in front passenger side cooler (solar sensor) thermistor circuit	Click here
B14B2	Lost Communication with Front Panel LIN	Lost communication with air conditioning control assembly	Click here
B14B8	Refrigerant Shortage	When the following condition is detected in refrigerant shortage check in normal operation: Amount of refrigerant is insufficient	Click here
U0100	Lost Communication with ECM	No communication with ECM	Click here
U0131	Lost Communication with Electric Power Steering ECU	No communication with electric power steering ECU	Click here
U0142	Lost Communication with Main Body ECU	No communication with main body ECU	Click here
U0155	Lost Communication with Combination Meter	No communication with combination meter	Click here