Diagnostic Trouble Code Chart [01/2017 - 09/2018]

AIR CONDITIONING SYSTEM

DTC No.	Detection Item	DTC Detection Condition	Link
B1411	Room Temperature Sensor Circuit	Diagnosis condition: Ambient temperature is 30°C (86 °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 [01/2017 - ]
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 [01/2017 - ]
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 Sensor Circuit [01/2017 - ]
B1418	Emission Gas Sensor Circuit	Diagnosis condition: None Malfunction status: Short in smog ventilation sensor circuit (HC, CO) Detection time: Continuously for 4 seconds or more (Present malfunction), although only when the power switch off → on (IG) continuously 28 seconds or more	Refer to DTC B1418: Emission Gas Sensor Circuit [01/2017 - ]
B1423	Pressure Sensor Circuit	Diagnosis condition: Power switch on (IG) Malfunction Status: Refrigerant pressure signal malfunction Detection time: Continuously for 4 seconds or more (Present malfunction)	Refer to DTC B1423: Pressure Sensor Circuit [01/2017 - ]
B1441	Air Mix Damper Control Servo Motor Circuit (Passenger Side)	Diagnosis condition: During No. 4 air conditioning radiator damper servo sub-assembly (front passenger side lower 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) [01/2017 - ]
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 [01/2017 - ]
B1443	Air Outlet Damper Control Servo Motor Circuit	Diagnosis condition: During No. 1 air conditioning radiator damper servo sub-assembly (MODE FACE) 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 [01/2017 - ]
B1446	Air Mix Damper Control Servo Motor Circuit (Driver Side)	Diagnosis condition: No. 2 air conditioning radiator damper servo sub-assembly (driver side lower 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) [01/2017 - ]
B144A	Air Outlet DEF Damper Control Servo Motor Circuit	Diagnosis condition: No. 3 air conditioning radiator damper servo sub-assembly (MODE DEF) 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 B144A: Air Outlet DEF Damper Control Servo Motor Circuit [01/2017 - ]
B1453	Air Outlet Damper Cool Control Servo Motor Circuit (Driver Side)	Diagnosis condition: No. 2 air conditioning radiator damper servo sub-assembly (driver side upper 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 B1453: Air Outlet Damper Cool Control Servo Motor Circuit (Driver Side) [01/2017 - ]
B1454	Air Outlet Damper Cool Control Servo Motor Circuit (Passenger Side)	Diagnosis condition: During No. 4 air conditioning radiator damper servo sub-assembly (front passenger side upper 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 B1454: Air Outlet Damper Cool Control Servo Motor Circuit (Passenger Side) [01/2017 - ]
B1455	Air Outlet Damper FOOT/DEF Control Servo Motor Circuit (Driver Side)	Diagnosis condition: During No. 1 air conditioning radiator damper servo sub-assembly (MODE FOOT) 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 B1455: Air Outlet Damper FOOT/DEF Control Servo Motor Circuit (Driver Side) [01/2017 - ]
B1461	Emission Gas NOx Sensor Circuit	Diagnosis condition: None Malfunction status: Short in smog ventilation sensor circuit Detection time: Continuously for 4 seconds or more (Present malfunction), although only when the power switch off → on (IG) continuously 28 seconds or more	Refer to DTC B1461: Emission Gas Nox Sensor Circuit [01/2017 - ]
B1471	A/C Inverter High Voltage Power Resource System Malfunction	Diagnosis condition: Power 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 [01/2017 - 09/2018]
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 [01/2017 - 05/2023]
B1473	A/C Inverter Start-up Signal System Malfunction	Diagnosis condition: Power switch on (READY) Malfunction status: Any of the following conditions are met; High voltage from hybrid vehicle control ECU assembly is unavailable Air conditioning refrigerant pressure malfunction Compressor with motor assembly malfunction Detection time: Present malfunction	Refer to DTC B1473: A/C Inverter Start-up Signal System Malfunction [01/2017 - 09/2018]
B1474	A/C Inverter Malfunction	Diagnosis condition: Power 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 [01/2017 - 05/2023]
B1475	A/C Inverter Cooling / Heating System Malfunction	Diagnosis condition: Power 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 [01/2017 - 05/2023]
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 [01/2017 - 05/2023]
B1477	A/C Inverter Low Voltage Power Resource System Malfunction	Diagnosis condition: Power switch on (READY) Malfunction status: An open or short to ground in the inverter control power voltage circuit Detection time: None	Refer to DTC B1477: A/C Inverter Low Voltage Power Resource System Malfunction [01/2017 - 05/2023]
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) [01/2017 - ]
B1498	Communication Malfunction (A/C Inverter Local)	Diagnosis condition: Power switch on (READY) Malfunction status: Error or open in communication line between the hybrid vehicle control ECU and compressor with motor assembly or high-voltage power source shut off	Refer to DTC B1498: Communication Malfunction (A/C Inverter Local) [01/2017 - 09/2018]
B14A8	Glass Temperature Sensor Circuit	Diagnosis condition: Power switch on (IG) Malfunction status: Communication between rain sensor (glass humidity sensor) and main body ECU (multiplex network body ECU) is abnormal or stops Detection time: Continuously for 5 seconds or more after turning power switch on (IG) after progress 10 seconds.	Refer to DTC B14A8: Glass Temperature Sensor Circuit; DTC B14A9: Glass Surroundings Temperature Sensor Circuit; DTC B14AA: Glass Humidity Sensor Circuit [01/2017 - ]
B14A9	Glass Surroundings Temperature Sensor Circuit	Diagnosis condition: Power switch on (IG) Malfunction status: Communication between rain sensor (glass humidity sensor) and main body ECU (multiplex network body ECU) is abnormal or stops Detection time: Continuously for 5 seconds or more after turning power switch on (IG) after progress 10 seconds.	Refer to DTC B14A8: Glass Temperature Sensor Circuit; DTC B14A9: Glass Surroundings Temperature Sensor Circuit; DTC B14AA: Glass Humidity Sensor Circuit [01/2017 - ]
B14AA	Glass Humidity Sensor Circuit	Diagnosis condition: Power switch on (IG) Malfunction status: Communication between rain sensor (glass humidity sensor) and main body ECU (multiplex network body ECU) is abnormal or stops Detection time: Continuously for 5 seconds or more after turning power switch on (IG) after progress 10 seconds.	Refer to DTC B14A8: Glass Temperature Sensor Circuit; DTC B14A9: Glass Surroundings Temperature Sensor Circuit; DTC B14AA: Glass Humidity Sensor Circuit [01/2017 - ]
B14B2	Lost Communication with Front Panel LIN	Lost communication with air conditioning control assembly Diagnosis condition: Power switch on (IG) Malfunction status: Lost communication with integration control and panel assembly Detection time: Continuously for 10 seconds or more	Refer to DTC B14B2: Lost Communication with Front Panel LIN [01/2017 - ]
B14B8	Refrigerant Shortage	Diagnosis condition: At the time of quantity of refrigerant opinion on infringement condition establishment by the ordinary control 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 [01/2017 - ]
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 [01/2017 - 09/2018]
U0131	Lost Communication with Power Steering Control Module	No communication with power steering ECU assembly	Refer to DTC U0131: Lost Communication with Power Steering Control Module; DTC U0142: Lost Communication with Main Body ECU; DTC U0151: Lost Communication with Restraints Control Module; DTC U0155: Lost Communication with Combination Meter; DTC U0163: Lost Communication with Navigation Control Module; DTC U0293: Lost Communication with HV ECU [01/2017 - ]
U0142	Lost Communication with Main Body ECU	No communication with main body ECU (multiplex network body ECU)	Refer to DTC U0131: Lost Communication with Power Steering Control Module; DTC U0142: Lost Communication with Main Body ECU; DTC U0151: Lost Communication with Restraints Control Module; DTC U0155: Lost Communication with Combination Meter; DTC U0163: Lost Communication with Navigation Control Module; DTC U0293: Lost Communication with HV ECU [01/2017 - ]
U0151	Lost Communication with Restraints Control Module	No communication with airbag sensor assembly	Refer to DTC U0131: Lost Communication with Power Steering Control Module; DTC U0142: Lost Communication with Main Body ECU; DTC U0151: Lost Communication with Restraints Control Module; DTC U0155: Lost Communication with Combination Meter; DTC U0163: Lost Communication with Navigation Control Module; DTC U0293: Lost Communication with HV ECU [01/2017 - ]
U0155	Lost Communication with Combination Meter	No communication with combination meter assembly	Refer to DTC U0131: Lost Communication with Power Steering Control Module; DTC U0142: Lost Communication with Main Body ECU; DTC U0151: Lost Communication with Restraints Control Module; DTC U0155: Lost Communication with Combination Meter; DTC U0163: Lost Communication with Navigation Control Module; DTC U0293: Lost Communication with HV ECU [01/2017 - ]
U0163	Lost Communication with Navigation Control Module	No communication with radio receiver assembly	Refer to DTC U0131: Lost Communication with Power Steering Control Module; DTC U0142: Lost Communication with Main Body ECU; DTC U0151: Lost Communication with Restraints Control Module; DTC U0155: Lost Communication with Combination Meter; DTC U0163: Lost Communication with Navigation Control Module; DTC U0293: Lost Communication with HV ECU [01/2017 - ]
U0293	Lost Communication with HV ECU	No communication with hybrid vehicle control ECU assembly	Refer to DTC U0131: Lost Communication with Power Steering Control Module; DTC U0142: Lost Communication with Main Body ECU; DTC U0151: Lost Communication with Restraints Control Module; DTC U0155: Lost Communication with Combination Meter; DTC U0163: Lost Communication with Navigation Control Module; DTC U0293: Lost Communication with HV ECU [01/2017 - ]