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