HVAC System DTCS
HVAC SYSTEM DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Item | Description |
|---|---|---|
| B1430 | IN-VEHICLE (POST EVAPORATOR) TEMPERATURE SENSOR CIRCUIT OPEN | < Ref. to DTC B1430 IN-VEHICLE (POST EVAPORATOR) TEMPERATURE SENSOR CIRCUIT OPEN , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B1431 | IN-VEHICLE (POST EVAPORATOR) TEMPERATURE SENSOR CIRCUIT SHORT-CIRCUIT | < Ref. to DTC B1431 IN-VEHICLE (POST EVAPORATOR) TEMPERATURE SENSOR CIRCUIT SHORT-CIRCUIT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B1432 | AMBIENT TEMPERATURE SENSOR CIRCUIT OPEN (AIR-CONDITIONER) | < Ref. to DTC B1432 AMBIENT TEMPERATURE SENSOR CIRCUIT OPEN (AIR-CONDITIONER) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B1433 | AMBIENT TEMPERATURE SENSOR CIRCUIT SHORT-CIRCUIT (AIR-CONDITIONER) | < Ref. to DTC B1433 AMBIENT TEMPERATURE SENSOR CIRCUIT SHORT-CIRCUIT (AIR-CONDITIONER) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B1434 | EVAPORATOR TEMPERATURE SENSOR CIRCUIT OPEN | < Ref. to DTC B1434 EVAPORATOR TEMPERATURE SENSOR CIRCUIT OPEN , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B1435 | EVAPORATOR TEMPERATURE SENSOR CIRCUIT SHORT-CIRCUIT | < Ref. to DTC B1435 EVAPORATOR TEMPERATURE SENSOR CIRCUIT SHORT-CIRCUIT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B1436 | AIR MIX DOOR ACTUATOR CIRCUIT OPEN (PASSENGER) | < Ref. to DTC B1436 AIR MIX DOOR ACTUATOR CIRCUIT OPEN (PASSENGER) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B1437 | AIR MIX DOOR ACTUATOR CIRCUIT SHORT-CIRCUIT (PASSENGER) | < Ref. to DTC B1437 AIR MIX DOOR ACTUATOR CIRCUIT SHORT-CIRCUIT (PASSENGER) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B1438 | MODE DOOR ACTUATOR CIRCUIT OPEN | < Ref. to DTC B1438 MODE DOOR ACTUATOR CIRCUIT OPEN , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B1439 | MODE DOOR ACTUATOR CIRCUIT SHORT-CIRCUIT | < Ref. to DTC B1439 MODE DOOR ACTUATOR CIRCUIT SHORT-CIRCUIT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B1440 | AIR MIX DOOR ACTUATOR CIRCUIT OPEN (DRIVER) | < Ref. to DTC B1440 AIR MIX DOOR ACTUATOR CIRCUIT OPEN (DRIVER) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B1441 | AIR MIX DOOR ACTUATOR CIRCUIT STUCK (PASSENGER) | < Ref. to DTC B1441 AIR MIX DOOR ACTUATOR CIRCUIT STUCK (PASSENGER) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B1442 | AIR MIX DOOR ACTUATOR CIRCUIT SHORT-CIRCUIT (DRIVER) | < Ref. to DTC B1442 AIR MIX DOOR ACTUATOR CIRCUIT SHORT-CIRCUIT (DRIVER) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B1443 | MODE DOOR ACTUATOR CIRCUIT STUCK | < Ref. to DTC B1443 MODE DOOR ACTUATOR CIRCUIT STUCK , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B1446 | AIR MIX DOOR ACTUATOR CIRCUIT STUCK (DRIVER) | < Ref. to DTC B1446 AIR MIX DOOR ACTUATOR CIRCUIT STUCK (DRIVER) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B1448 | REAR VENT DOOR ACTUATOR CIRCUIT OPEN | < Ref. to DTC B1448 REAR VENT DOOR ACTUATOR CIRCUIT OPEN , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B1449 | REAR VENT DOOR ACTUATOR CIRCUIT SHORT-CIRCUIT | < Ref. to DTC B1449 REAR VENT DOOR ACTUATOR CIRCUIT SHORT-CIRCUIT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B144A | REAR VENT DOOR ACTUATOR CIRCUIT STUCK | < Ref. to DTC B144A REAR VENT DOOR ACTUATOR CIRCUIT STUCK , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B14A1 | SUNLOAD SENSOR CIRCUIT LOW/OPEN | < Ref. to
DTC B14A1 SUNLOAD SENSOR CIRCUIT LOW/OPEN
, Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
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 | SUNLOAD SENSOR CIRCUIT SHORT-CIRCUIT | < Ref. to
DTC B14A2 SUNLOAD SENSOR CIRCUIT SHORT-CIRCUIT
, Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
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 | REFRIGERANT PRESSURE SENSOR CIRCUIT OPEN | < Ref. to DTC B14A3 REFRIGERANT PRESSURE SENSOR CIRCUIT OPEN , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B14A4 | REFRIGERANT PRESSURE SENSOR CIRCUIT SHORT-CIRCUIT | < Ref. to DTC B14A4 REFRIGERANT PRESSURE SENSOR CIRCUIT SHORT-CIRCUIT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B14A5 | REFRIGERANT FLOW SENSOR CIRCUIT OPEN | < Ref. to DTC B14A5 REFRIGERANT FLOW SENSOR CIRCUIT OPEN , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B14A6 | REFRIGERANT FLOW SENSOR CIRCUIT SHORT-CIRCUIT | < Ref. to DTC B14A6 REFRIGERANT FLOW SENSOR CIRCUIT SHORT-CIRCUIT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B14A7 | VARIABLE SOLENOID VALVE CIRCUIT | < Ref. to DTC B14A7 VARIABLE SOLENOID VALVE CIRCUIT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B14A8 | COMPRESSOR BREAK-IN MALFUNCTION LOW REFRIGERANT | < Ref. to DTC B14A8 COMPRESSOR BREAK-IN MALFUNCTION LOW REFRIGERANT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B14B1 | SEAT HEATER THERMISTOR CIRCUIT OPEN (DRIVER) | < Ref. to DTC B14B1 SEAT HEATER THERMISTOR CIRCUIT OPEN (DRIVER) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B14B2 | SEAT HEATER THERMISTOR CIRCUIT SHORT-CIRCUIT (DRIVER) | < Ref. to DTC B14B2 SEAT HEATER THERMISTOR CIRCUIT SHORT-CIRCUIT (DRIVER) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B14B3 | SEAT HEATER THERMISTOR CIRCUIT OPEN (PASSENGER) | < Ref. to DTC B14B3 SEAT HEATER THERMISTOR CIRCUIT OPEN (PASSENGER) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B14B4 | SEAT HEATER THERMISTOR CIRCUIT SHORT-CIRCUIT (DRIVER) | < Ref. to DTC B14B4 SEAT HEATER THERMISTOR CIRCUIT SHORT-CIRCUIT (DRIVER) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| U0002 | CAN COMMUNICATION ERROR | < Ref. to DTC U0002 CAN COMMUNICATION ERROR , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| U0028 | HEATER CONTROL PANEL COMMUNICATION ERROR | < Ref. to DTC U0028 HEATER CONTROL PANEL COMMUNICATION ERROR , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| U0073 | CAN FAILURE, BUS 'OFF' DETECTION | < Ref. to DTC U0073 CONTROL MODULE COMMUNICATION BUS OFF , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |