AIR CONDITIONING SYSTEM DIAGNOSTIC TROUBLE CODE CHART

Air Conditioning System
DTC No. Detection Item Link
B1411 Room Temperature Sensor Circuit

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B1412 Ambient Temperature Sensor Circuit

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B1413 Evaporator Temperature Circuit or Evaporator Fin Thermistor

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B1423 Open in Pressure Sensor Circuit / Abnormal Refrigerant Pressure

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B1441 Air Mix Damper Control Servo Motor Circuit (Passenger Side)

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B1442 Air Inlet Damper Control Servo Motor Circuit

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B1443 Air Outlet Damper Control Servo Motor Circuit

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B1446 Air Mix Damper Control Servo Motor Circuit (Driver Side)

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B1449 Air Outlet Damper Control Servo Motor Circuit (Rear)

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B1451 Compressor Solenoid Circuit

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B1497 Communication Malfunction (Bus Ic)

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B14B2 Lost Communication with Front Panel LIN

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B14B8 Refrigerant Shortage

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U0100 Lost Communication with ECM / PCM "A"

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U0131 Lost Communication with Power Steering Control Module

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U0142 Lost Communication with Body Control Module "B"

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U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module

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U0163 Lost Communication with Navigation Control Module

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