HVAC System DTCS

HVAC SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

Code	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 . NOTE: 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 . NOTE: 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) .
B14C0	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14C0 SEAT VENTILATION SYSTEM HEATER THERMISTOR CIRCUIT OPEN (LH SIDE) .
B14C1	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14C1 SEAT VENTILATION SYSTEM HEATER THERMISTOR CIRCUIT OPEN (RH SIDE) .
B14C2	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14C2 SEAT VENTILATION SYSTEM HEATER THERMISTOR CIRCUIT SHORT-CIRCUIT (LH SIDE) .
B14C3	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14C3 SEAT VENTILATION SYSTEM HEATER THERMISTOR CIRCUIT SHORT-CIRCUIT (RH SIDE) .
B14C4	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14C4 SEAT VENTILATION SYSTEM HEATER LOAD CIRCUIT OPEN (LH SIDE) .
B14C5	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14C5 SEAT VENTILATION SYSTEM HEATER LOAD CIRCUIT OPEN (RH SIDE) .
B14C6	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14C6 SEAT VENTILATION SYSTEM HEATER POWER CIRCUIT SHORT (LH SIDE) .
B14C7	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14C7 SEAT VENTILATION SYSTEM HEATER POWER CIRCUIT SHORT (RH SIDE) .
B14C8	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14C8 SEAT VENTILATION SYSTEM HEATER GND CIRCUIT SHORT .
B14CA	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14CA SEAT VENTILATION SYSTEM BLOWER SIGNAL BATTERY CIRCUIT OPEN SHORT (LH SIDE) .
B14CB	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14CB SEAT VENTILATION SYSTEM BLOWER SIGNAL BATTERY CIRCUIT OPEN SHORT (RH SIDE) .
B14CC	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14CC SEAT VENTILATION SYSTEM TEMPERATURE FEEDBACK SIGNAL LOST (LH SIDE) .
B14CD	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14CD SEAT VENTILATION SYSTEM TEMPERATURE FEEDBACK SIGNAL LOST (RH SIDE) .
B14CE	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14CE SEAT VENTILATION SYSTEM HIGH VOLTAGE .
B14CF	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14CF SEAT VENTILATION SYSTEM LOW VOLTAGE .
B14D0	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14D0 IN-VEHICLE (POST EVAPORATOR) REAR TEMPERATURE SENSOR CIRCUIT OPEN .
B14D1	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14D1 IN-VEHICLE (POST EVAPORATOR) REAR TEMPERATURE SENSOR CIRCUIT SHORT-CIRCUIT .
B14D2	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14D2 REAR EVAPORATOR TEMPERATURE SENSOR CIRCUIT OPEN .
B14D3	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14D3 REAR EVAPORATOR TEMPERATURE SENSOR CIRCUIT SHORT-CIRCUIT .
B14D4	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14D4 AIR MIX DOOR ACTUATOR CIRCUIT OPEN (REAR HVAC) .
B14D5	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14D5 AIR MIX DOOR ACTUATOR CIRCUIT SHORT-CIRCUIT (REAR HVAC) .
B14D6	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14D6 MODE DOOR ACTUATOR CIRCUIT OPEN (REAR HVAC) .
B14D7	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14D7 MODE DOOR ACTUATOR CIRCUIT SHORT-CIRCUIT (REAR HVAC) .
B14D8	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14D8 AIR MIX DOOR ACTUATOR CIRCUIT STUCK (REAR HVAC) .
B14D9	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14D9 MODE DOOR ACTUATOR CIRCUIT STUCK (REAR HVAC) .
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 .
B14F0	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14F0 REAR HEATER CONTROL PANEL COMMUNICATION ERROR .
B14F1	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B14F1 SEAT VENTILATION SYSTEM ECU COMMUNICATION ERROR .
U0028	Ref. to AIR CONDITIONER (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC U0028 HEATER CONTROL PANEL 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 .
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 .