DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 98 (Heating / Air Conditioning System (HV) - Diagnostics - Introduction (2 Of 2)) >> AIR CONDITIONING SYSTEM (for HV Model) >> Diagnostic Trouble Code Chart [10/2022 - 11/2023] >> Diagnostic Trouble Code Chart [10/2022 - 11/2023]

Diagnostic Trouble Code Chart [10/2022 - 11/2023]

WARNING: This page is about a different variant/trim than selected.
AIR CONDITIONING SYSTEM

DTC No. Detection Item Link
B1411 Room Temperature Sensor Circuit Refer to DTC B1411: Room Temperature Sensor Circuit [12/2019 - 11/2023]
B1412 Ambient Temperature Sensor Circuit Refer to DTC B1412: Ambient Temperature Sensor Circuit [12/2019 - 11/2023]
B1413 Evaporator Temperature Circuit or Evaporator Fin Thermistor Refer to DTC B1413: Evaporator Temperature Circuit or Evaporator Fin Thermistor [12/2019 - 11/2023]
B1417 Evaporator Temperature Circuit Refer to DTC B1417: Evaporator Temperature Circuit [12/2019 - 11/2023]
B1419 Rear Room Temperature Sensor Circuit Refer to DTC B1419: Rear Room Temperature Sensor Circuit [12/2019 - 11/2023]
B1423 Open in Pressure Sensor Circuit / Abnormal Refrigerant Pressure Refer to DTC B1423: Open in Pressure Sensor Circuit / Abnormal Refrigerant Pressure [12/2019 - 11/2023]
B1441 Air Mix Damper Control Servo Motor Circuit (Passenger Side) Refer to DTC B1441: Air Mix Damper Control Servo Motor Circuit (Passenger Side) [12/2019 - 10/2022]
B1442 Air Inlet Damper Control Servo Motor Circuit Refer to DTC B1442: Air Inlet Damper Control Servo Motor Circuit [10/2022 - 11/2023]
B1443 Air Outlet Damper Control Servo Motor Circuit Refer to DTC B1443: Air Outlet Damper Control Servo Motor Circuit [10/2022 - 11/2023]
B1446 Air Mix Damper Control Servo Motor Circuit (Driver Side) Refer to DTC B1446: Air Mix Damper Control Servo Motor Circuit (Driver Side) [12/2019 - 10/2022]
B1447 Air Mix Damper Control Servo Motor Circuit (Rear) Refer to DTC B1447: Air Mix Damper Control Servo Motor Circuit (Rear) [12/2019 - 11/2023]
B1449 Air Outlet Damper Control Servo Motor Circuit (Rear) Refer to DTC B1449: Air Outlet Damper Control Servo Motor Circuit (Rear) [12/2019 - 11/2023]
B1471 A/C Inverter High Voltage Power Resource System Refer to DTC B1471: A/C Inverter High Voltage Power Resource System [12/2019 - 11/2023]
B1472 A/C Inverter High Voltage Output System Refer to DTC B1472: A/C Inverter High Voltage Output System [12/2019 - 11/2023]
B1473 A/C Inverter Start-up Signal System Refer to DTC B1473: A/C Inverter Start-up Signal System [12/2019 - 11/2023]
B1474 A/C Inverter Refer to DTC B1474: A/C Inverter [12/2019 - 11/2023]
B1475 A/C Inverter Cooling / Heating System Refer to DTC B1475: A/C Inverter Cooling / Heating System [12/2019 - 11/2023]
B1476 A/C Inverter Load System Refer to DTC B1476: A/C Inverter Load System [12/2019 - 11/2023]
B1477 A/C Inverter Low Voltage Power Resource System Refer to DTC B1477: A/C Inverter Low Voltage Power Resource System [12/2019 - 11/2023]
B1497 Communication Malfunction (Bus Ic) Refer to DTC B1497: Communication Malfunction (Bus Ic) [10/2022 - 11/2023]
B1498 Communication Malfunction (A/C Inverter Local) Refer to DTC B1498: Communication Malfunction (A/C Inverter Local) [12/2019 - 11/2023]
B149A Communication Malfunction (Rear Bus Ic) Refer to DTC B149A: Communication Malfunction (Rear Bus Ic) [12/2019 - 11/2023]
B14B2 Lost Communication with Front Panel LIN Refer to DTC B14B2: Lost Communication with Front Panel LIN [12/2019 - 10/2022]
B14B3 Lost Communication with Rear Panel LIN Refer to DTC B14B3: Lost Communication with Rear Panel LIN [12/2019 - 11/2023]
B14B8 Refrigerant Shortage Refer to DTC B14B8: Refrigerant Shortage [12/2019 - 11/2023]
P1C7C-49 Hybrid/EV Battery Voltage System Isolation (A/C Area) Internal Electronic Failure Refer to DTC P1C7C-49: Hybrid/EV Battery Voltage System Isolation (A/C Area) Internal Electronic Failure [12/2019 - 11/2023]
U0100 Lost Communication with ECM / PCM "A" 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 U0163: Lost Communication with Navigation Control Module; DTC U0293: Lost Communication with HV ECU [10/2022 - 11/2023]
U0131 Lost Communication with Power Steering Control Module 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 U0163: Lost Communication with Navigation Control Module; DTC U0293: Lost Communication with HV ECU [10/2022 - 11/2023]
U0142 Lost Communication with Body Control Module "B" 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 U0163: Lost Communication with Navigation Control Module; DTC U0293: Lost Communication with HV ECU [10/2022 - 11/2023]
U0151 Lost Communication with Restraints Control Module 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 U0163: Lost Communication with Navigation Control Module; DTC U0293: Lost Communication with HV ECU [10/2022 - 11/2023]
U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module 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 U0163: Lost Communication with Navigation Control Module; DTC U0293: Lost Communication with HV ECU [10/2022 - 11/2023]
U0163 Lost Communication with Navigation Control Module 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 U0163: Lost Communication with Navigation Control Module; DTC U0293: Lost Communication with HV ECU [10/2022 - 11/2023]
U0293 Lost Communication with HV 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 U0163: Lost Communication with Navigation Control Module; DTC U0293: Lost Communication with HV ECU [10/2022 - 11/2023]
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