HVAC System - Automatic - Diagnostic Trouble Codes
HVAC SYSTEM - AUTOMATIC - DIAGNOSTIC TROUBLE CODES
| DTC | Description |
|---|---|
| DTC B0163, B0183, or B1405 | Passenger Compartment Temperature Sensor Circuit, Solar Load Sensor Circuit, Control Module Voltage Reference Output 2 Circuit |
| DTC B0173, B0178, B0509, B0514, B0519, B3583, or B3933 | Duct Air Temperature Sensor Circuit, Air Conditioning Evaporator Temperature Sensor Circuit |
| DTC B018A, B048C, B048F, or B1395 | Windshield Temperature Sensor, Humidity Sensor, Control Module Voltage Reference Output |
| DTC B0193 | Front Blower Motor Speed Circuit |
| DTC B0208 | Rear Blower Motor Speed Circuit |
| DTC B0223, B022A, B0233, B023A, B0408, B0418, B0428, or B3531 | Recirculate Position Command, Air Flow Control, HVAC Actuators, Temperature Control Circuit |
| DTC B1020 | Auxiliary Electronic Control Unit (ECU) Internal Malfunction |
| DTC B3843 | Air Quality Sensor Circuit |
| DTC B393B | Air Conditioning Compressor Valve Control Circuit |
| DTC P0532 or P0533 | Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit Voltage |
| DTC P0645, P0646, or P0647 | Air Conditioning (A/C) Compressor Clutch Relay Control Circuit |