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