Diagnostic Trouble Code Chart [08/2020 - ]

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AIR CONDITIONING SYSTEM

DTC No.	Detection Item	DTC Detection Condition	Link
B1411	Room Temperature Sensor Circuit	Diagnosis condition: Ambient temperature is -30°C (-22°F) or more Malfunction status: Open or short in room temperature sensor circuit Detection time: None (Present malfunction), continuously for 4 seconds or more (Past malfunction)	Refer to DTC B1411: Room Temperature Sensor Circuit [02/2019 - ]
B1412	Ambient Temperature Sensor Circuit	Diagnosis condition: None Malfunction status: Open or short in ambient temperature sensor circuit Detection time: None (Present malfunction), continuously for 4 seconds or more (Past malfunction)	Refer to DTC B1412: Ambient Temperature Sensor Circuit [02/2019 - ]
B1413	Evaporator Temperature Sensor Circuit	Diagnosis condition: None Malfunction status: Open or short in evaporator temperature sensor circuit Detection time: None (Present malfunction), continuously for 4 seconds or more (Past malfunction)	Refer to DTC B1413: Evaporator Temperature Circuit or Evaporator Fin Thermistor [02/2019 - ]
B1423	Pressure Sensor Circuit	Diagnosis condition: Ignition switch ON Malfunction Status: Refrigerant pressure signal malfunction Detection time: Continuously for 4 seconds or more (Present malfunction)	Refer to DTC B1423: Open in Pressure Sensor Circuit / Abnormal Refrigerant Pressure [08/2020 - ]
B1441	Air Mix Damper Control Servo Motor Circuit (Passenger Side)	Diagnosis condition: During No. 1 air conditioning radiator damper servo sub-assembly (front passenger side air mix) operation Malfunction status: The damper servo operation request signal is output but the position information of the servo does not change or servo is malfunctioning Detection time: Continuously for 30 seconds or more	Refer to DTC B1441: Air Mix Damper Control Servo Motor Circuit (Passenger Side) [08/2020 - ]
B1442	Air Inlet Damper Control Servo Motor Circuit	Diagnosis condition: During No. 1 blower damper servo sub-assembly operation Malfunction status: The damper servo operation request signal is output but the position information of the servo does not change or servo is malfunctioning Detection time: Continuously for 30 seconds or more	Refer to DTC B1442: Air Inlet Damper Control Servo Motor Circuit [08/2020 - ]
B1443	Air Outlet Damper Control Servo Motor Circuit	Diagnosis condition: During No. 3 air conditioning radiator damper servo sub-assembly (driver side mode) operation Malfunction status: The damper servo operation request signal is output but the position information of the servo does not change or servo is malfunctioning Detection time: Continuously for 30 seconds or more	Refer to DTC B1443: Air Outlet Damper Control Servo Motor Circuit [08/2020 - ]
B1446	Air Mix Damper Control Servo Motor Circuit (Driver Side)	Diagnosis condition: During No. 1 air conditioning radiator damper servo sub-assembly (driver side air mix) operation Malfunction status: The damper servo operation request signal is output but the position information of the servo does not change or servo is malfunctioning Detection time: Continuously for 30 seconds or more	Refer to DTC B1446: Air Mix Damper Control Servo Motor Circuit (Driver Side) [08/2020 - ]
B1448	Passenger Side FACE Servo Motor Circuit	Diagnosis condition: During No. 3 air conditioning radiator damper servo sub-assembly (front passenger side mode) operation Malfunction status: The damper servo operation request signal is output but the position information of the servo does not change or servo is malfunctioning Detection time: Continuously for 30 seconds or more	Refer to DTC B1448: Passenger Side FACE Servo Motor Circuit [02/2019 - ]
B1449	Air Outlet Damper Control Servo Motor Circuit (Rear)	Diagnosis condition: During No. 2 air conditioning radiator damper servo sub-assembly (rear mode) operation Malfunction status: The damper servo operation request signal is output but the position information of the servo does not change or servo is malfunctioning Detection time: Continuously for 30 seconds or more	Refer to DTC B1449: Air Outlet Damper Control Servo Motor Circuit (Rear) [08/2020 - ]
B1471	A/C Inverter High Voltage Power Resource System Malfunction	Diagnosis condition: Ignition switch ON (READY) Malfunction status: Open or short in A/C inverter high voltage power resource system Detection time: None	Refer to DTC B1471: A/C Inverter High Voltage Power Resource System Malfunction [08/2020 - ]
B1472	A/C Inverter High Voltage Output System Malfunction	Diagnosis condition: Compressor operation Malfunction status: Open or short in A/C inverter high voltage output system Detection time: None	Refer to DTC B1472: A/C Inverter High Voltage Output System Malfunction [08/2020 - ]
B1474	A/C Inverter Malfunction	Diagnosis condition: Ignition switch ON (READY) Malfunction status: The inverter internal temperature is outside the specified range (exceeds the maximum) Detection time: None	Refer to DTC B1474: A/C Inverter Malfunction [08/2020 - ]
B1475	A/C Inverter Cooling / Heating System Malfunction	Diagnosis condition: Ignition switch ON (READY) Malfunction status: Outside base temperature in the inverter (unreasonable temperature) Detection time: None	Refer to DTC B1475: A/C Inverter Cooling / Heating System Malfunction [08/2020 - ]
B1476	A/C Inverter Load System Malfunction	Diagnosis condition: Compressor operation request Malfunction status: Motor rotation load while the compressor is operating is too large or too small Detection time: None	Refer to DTC B1476: A/C Inverter Load System Malfunction [08/2020 - ]
B1497	Communication Malfunction (Bus Ic)	Diagnosis condition: None Malfunction status: Error or open in communication line between air conditioning amplifier assembly and servo motor	Refer to DTC B1497: Communication Malfunction (Bus Ic) [08/2020 - ]
B1498	Communication Malfunction (A/C Inverter Local)	Diagnosis condition: Ignition switch ON (READY) Malfunction status: Error or open in communication line between the hybrid vehicle control ECU assembly and compressor with motor assembly or high-voltage power source shut off	Refer to DTC B1498: Communication Malfunction (A/C Inverter Local) [08/2020 - ]
B14B2	Lost Communication with Front Panel LIN	Lost communication with air conditioning control assembly Diagnosis condition: Ignition switch ON Malfunction status: Lost communication with air conditioning control assembly Detection time: Continuously for 10 seconds or more	Refer to DTC B14B2: Lost Communication with Front Panel LIN [02/2019 - ]
B14B8	Refrigerant Shortage	Diagnosis condition: The amount of refrigerant is judged to be insufficient in normal operation Malfunction status: When following condition is detected in refrigerant shortage check in normal operation; Amount of refrigerant is insufficient Detection time: During air conditioning system operation for 10 minutes or more	Refer to DTC B14B8: Refrigerant Shortage [08/2020 - ]
P1C7C-49	Hybrid/EV Battery Voltage System Isolation (A/C Area) Internal Electronic Failure	High voltage system insulation malfunction	Refer to DTC P1C7C-49: Hybrid/EV Battery Voltage System Isolation (A/C Area) Internal Electronic Failure [08/2020 - ]
U0100	Lost Communication with ECM / PCM "A"	No communication with ECM	Refer to DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0131: Lost Communication with Power Steering Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0151: Lost Communication with Restraints Control Module; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0293: Lost Communication with HV ECU [11/2018 - ]
U0131	Lost Communication with Power Steering Control Module	No communication with rack and pinion power steering gear assembly (power steering ECU assembly)	Refer to DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0131: Lost Communication with Power Steering Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0151: Lost Communication with Restraints Control Module; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0293: Lost Communication with HV ECU [11/2018 - ]
U0142	Lost Communication with Body Control Module "B"	No communication with main body ECU (multiplex network body ECU)	Refer to DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0131: Lost Communication with Power Steering Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0151: Lost Communication with Restraints Control Module; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0293: Lost Communication with HV ECU [11/2018 - ]
U0151	Lost Communication with Restraints Control Module	No communication with airbag sensor assembly	Refer to DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0131: Lost Communication with Power Steering Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0151: Lost Communication with Restraints Control Module; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0293: Lost Communication with HV ECU [11/2018 - ]
U0155	Lost Communication with Instrument Panel Cluster (IPC) Control Module	No communication with combination meter assembly	Refer to DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0131: Lost Communication with Power Steering Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0151: Lost Communication with Restraints Control Module; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0293: Lost Communication with HV ECU [11/2018 - ]
U0293	Lost Communication with HV ECU	No communication with hybrid vehicle control ECU assembly	Refer to DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0131: Lost Communication with Power Steering Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0151: Lost Communication with Restraints Control Module; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0293: Lost Communication with HV ECU [11/2018 - ]