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HVAC System DTCS

HVAC SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC Reference
B1430 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B1430 IN-VEHICLE (POST EVAPORATOR) TEMPERATURE SENSOR CIRCUIT OPEN .
B1431 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B1431 IN-VEHICLE (POST EVAPORATOR) TEMPERATURE SENSOR CIRCUIT SHORT-CIRCUIT .
B1432 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B1432 AMBIENT TEMPERATURE SENSOR CIRCUIT OPEN (AIR-CONDITIONER) .
B1433 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B1433 AMBIENT TEMPERATURE SENSOR CIRCUIT SHORT-CIRCUIT (AIR-CONDITIONER) .
B1434 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B1434 EVAPORATOR TEMPERATURE SENSOR CIRCUIT OPEN .
B1435 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B1435 EVAPORATOR TEMPERATURE SENSOR CIRCUIT SHORT-CIRCUIT .
B1436 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B1436 AIR MIX DOOR ACTUATOR CIRCUIT OPEN (PASSENGER) .
B1437 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B1437 AIR MIX DOOR ACTUATOR CIRCUIT SHORT-CIRCUIT (PASSENGER) .
B1438 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B1438 MODE DOOR ACTUATOR CIRCUIT OPEN .
B1439 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B1439 MODE DOOR ACTUATOR CIRCUIT SHORT-CIRCUIT .
B1440 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B1440 AIR MIX DOOR ACTUATOR CIRCUIT OPEN (DRIVER) .
B1441 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B1441 AIR MIX DOOR ACTUATOR CIRCUIT STUCK (PASSENGER) .
B1442 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B1442 AIR MIX DOOR ACTUATOR CIRCUIT SHORT-CIRCUIT (DRIVER) .
B1443 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B1443 MODE DOOR ACTUATOR CIRCUIT STUCK .
B1446 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B1446 AIR MIX DOOR ACTUATOR CIRCUIT STUCK (DRIVER) .
B14A1 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B14A1 SUNLOAD SENSOR CIRCUIT LOW/OPEN .
When the sunload sensor inspection is performed indoors or in the shade, it may be diagnosed as having an open circuit due to an insufficient light volume. In this case, check the sunload sensor at a location exposed to direct sunlight.
B14A2 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B14A2 SUNLOAD SENSOR CIRCUIT SHORT-CIRCUIT .
When the sunload sensor inspection is performed indoors or in the shade, it may be diagnosed as having an open circuit due to an insufficient light volume. In this case, check the sunload sensor at a location exposed to direct sunlight.
B14A3 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B14A3 REFRIGERANT PRESSURE SENSOR CIRCUIT OPEN .
B14A4 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B14A4 REFRIGERANT PRESSURE SENSOR CIRCUIT SHORT-CIRCUIT .
B14A5 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B14A5 REFRIGERANT FLOW SENSOR CIRCUIT OPEN .
B14A6 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B14A6 REFRIGERANT FLOW SENSOR CIRCUIT SHORT-CIRCUIT .
B14A7 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B14A7 VARIABLE SOLENOID VALVE CIRCUIT .
B14A8 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B14A8 COMPRESSOR BREAK-IN MALFUNCTION LOW REFRIGERANT .
B14B1 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B14B1 SEAT HEATER THERMISTOR CIRCUIT OPEN (DRIVER) .
B14B2 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B14B2 SEAT HEATER THERMISTOR CIRCUIT SHORT-CIRCUIT (DRIVER) .
B14B3 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B14B3 SEAT HEATER THERMISTOR CIRCUIT OPEN (PASSENGER) .
B14B4 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B14B4 SEAT HEATER THERMISTOR CIRCUIT SHORT-CIRCUIT (PASSENGER'S) .
B14E7 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B14E7 HEATER CORE SENSOR CIRCUIT OPEN .
B14E8 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B14E8 HEATER CORE SENSOR CIRCUIT SHORT-CIRCUIT .
B14E9 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B14E9 INTAKE DOOR ACTUATOR CIRCUIT OPEN .
B14EA Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B14EA INTAKE DOOR ACTUATOR CIRCUIT SHORT-CIRCUIT .
B14EB Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B14EB INTAKE DOOR ACTUATOR STUCK .
B14EC Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B14EC HUMIDITY SENSOR CIRCUIT OPEN .
B14ED Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B14ED HUMIDITY SENSOR CIRCUIT SHORT .
B14F1 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC B14F1 SEAT VENTILATION SYSTEM ECU COMMUNICATION ERROR .
U0073 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0073 CONTROL MODULE COMMUNICATION BUS OFF .
U0100 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0100 LOST COMMUNICATION WITH ECM/PCM "A" .
U0101 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0101 LOST COMMUNICATION WITH TCM .
U0122 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE .
U0140 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0140 LOST COMMUNICATION WITH BODY CONTROL MODULE .
U0155 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0155 LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULE .
U0162 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0162 LOST COMMUNICATION WITH AUDIO VISUAL NAVIGATION DISPLAY MODULE .
U0401 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0401 INVALID DATA RECEIVED FROM ECM/PCM "A" .
U0402 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0402 INVALID DATA RECEIVED FROM TCM .
U0416 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0416 INVALID DATA RECEIVED FROM VEHICLE DYNAMICS CONTROL MODULE .
U0422 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0422 INVALID DATA RECEIVED FROM BODY CONTROL MODULE .
U0423 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0423 INVALID DATA RECEIVED FROM INSTRUMENT PANEL CLUSTER CONTROL MODULE .
U0463 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U0463 INVALID DATA RECEIVED FROM NAVIGATION DISPLAY MODULE .
U1120 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U1120 LOST COMMUNICATION WITH AUTOSTART STOP CONTROL MODULE .
U1146 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U1146 LOST COMMUNICATION WITH GATEWAY "A" BODY-CAN .
U123A Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U123A LOST COMMUNICATION WITH DRIVER MONITORING SYSTEM .
U143A Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U143A INVALID DATA RECEIVED FROM DRIVER MONITORING SYSTEM .
U1469 Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC U1469 INVALID DATA RECEIVED FROM AUTOSTART STOP CONTROL MODULE .