HVAC System - Automatic - Diagnostic Trouble Codes
HVAC SYSTEM - AUTOMATIC - DIAGNOSTIC TROUBLE CODES
| DTC | Description |
|---|---|
| DTC B0163 | DTC B0163 02 Passenger Compartment Temperature Sensor Circuit Short to Ground DTC B0163 05 Passenger Compartment Temperature Sensor Circuit High Voltage/Open |
| DTC B0173, B0178, or B3933 | DTC B0173 02 Upper Left Duct Air Temperature Sensor Circuit Short to Ground DTC B0173 05 Upper Left Duct Air Temperature Sensor Circuit High Voltage/Open DTC B0178 02 Lower Left Duct Air Temperature Sensor Circuit Short to Ground DTC B0178 05 Lower Left Duct Air Temperature Sensor Circuit High Voltage/Open DTC B3933 02 Air Conditioning Evaporator Temperature Sensor Circuit Short to Ground DTC B3933 05 Air Conditioning Evaporator Temperature Sensor Circuit High Voltage/Open |
| DTC B018A, B048C, B048F, or B1395 | DTC B018A 02 Windshield Temperature Sensor Circuit Short to Ground DTC B018A 05 Windshield Temperature Sensor Circuit Short to Battery or Open DTC B048C 02 Humidity Sensor Humidity Circuit Short to Ground DTC B048C 05 Humidity Sensor Humidity Circuit Short to Battery or Open DTC B048F 02 Humidity Sensor Temperature Circuit Short to Ground DTC B048F 05 Humidity Sensor Temperature Circuit Short to Battery or Open DTC B1395 03 Control Module Voltage Reference Output Circuit Voltage Below Threshold DTC B1395 07 Control Module Voltage Reference Output Circuit Voltage Above Threshold |
| DTC B0183 | DTC B0183 02 Solar Load Sensor Circuit Short to Ground DTC B0183 05 Solar Load Sensor Circuit High Voltage/Open |
| DTC B0193 | DTC B0193 01 Front Blower Motor Speed Circuit Short to Battery DTC B0193 06 Front Blower Motor Speed Circuit Low Voltage/Open |
| DTC B0223, B0233, B023A, or B0408 | DTC B0223 01 Recirculate Position Command 1 Circuit Short to Battery DTC B0223 06 Recirculate Position Command 1 Circuit Short to Ground or Open DTC B0233 01 Air Flow Control Circuit Short to Battery DTC B0233 06 Air Flow Control Circuit Short to Ground or Open DTC B023A 02 HVAC Actuators Supply Voltage Short to Ground DTC B0408 01 Main Temperature Control Circuit Short to Battery DTC B0408 06 Main Temperature Control Circuit Short to Ground or Open |
| DTC B3843 | DTC B3843 02 Air Quality Sensor Circuit Short to Ground DTC B3843 05 Air Quality Sensor Circuit High Voltage/Open DTC B3843 08 Air Quality Sensor Circuit Performance - Signal Invalid |
| DTC P0530, P0532, or P0533 | DTC P0530 03 Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit Low Voltage DTC P0530 07 Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit High Voltage DTC P0532 00 Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit Low Voltage DTC P0533 00 Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit High Voltage |
| DTC P0645, P0646, or P0647 | DTC P0645 Air Conditioning (A/C) Compressor Clutch Relay Control Circuit DTC P0646 Air Conditioning (A/C) Compressor Clutch Relay Control Circuit Low Voltage DTC P0647 Air Conditioning (A/C) Compressor Clutch Relay Control Circuit High Voltage |