HVAC System - Automatic - Diagnostic Trouble Codes
HVAC SYSTEM - AUTOMATIC - DIAGNOSTIC CODE INDEX
| 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 High Voltage/Open DTC B048C 02 Humidity Sensor Humidity Circuit Short to Ground DTC B048C 05 Humidity Sensor Humidity Circuit High Voltage/Open DTC B048F 02 Humidity Sensor Temperature Circuit Short to Ground DTC B048F 05 Humidity Sensor Temperature Circuit High Voltage/Open DTC B1395 03 Control Module Voltage Reference Output Circuit Low Voltage DTC B1395 07 Control Module Voltage Reference Output Circuit High Voltage |
| 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 B0468, B046B, or B046C | DTC B0468 01 Auxiliary Heater Coolant Pump Circuit Short to Battery DTC B0468 06 Auxiliary Heater Coolant Pump Circuit Low Voltage/Open DTC B046B 00 Auxiliary Heater Coolant Pump Feedback Circuit DTC B046C 02 Auxiliary Heater Coolant Pump Enable Circuit Short to Ground DTC B046C 05 Auxiliary Heater Coolant Pump Enable Circuit High Voltage/Open |
| DTC B046A | DTC B046A 02 Auxiliary Heater Coolant Pump Temperature Circuit Short to Ground DTC B046A 05 Auxiliary Heater Coolant Pump Temperature Circuit Short to Battery or Open |
| DTC P0071-P0073 | DTC P0071 Ambient Air Temperature Sensor Performance DTC P0072 Ambient Air Temperature Sensor Circuit Low Voltage DTC P0073 Ambient Air Temperature Sensor Circuit High Voltage |
| DTC P0531, P0532, or P0533 | DTC P0531 Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit DTC P0532 Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit Low Voltage DTC P0533 Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit High Voltage |
| DTC P0534 | DTC P0534 Air Conditioning (A/C) Refrigerant Charge Low |
| DTC P0536-P0538 or P153B | DTC P0536 Air Conditioning (A/C) Evaporator Temperature Sensor 2 Performance DTC P0537 Air Conditioning (A/C) Evaporator Temperature Sensor 2 Circuit Low Voltage DTC P0538 Air Conditioning (A/C) Evaporator Temperature Sensor 2 Circuit High Voltage DTC P153B Air Conditioning (A/C) Evaporator Temperature Sensor 2 Not Plausible |
| DTC P0D69-P0D7F | DTC P0D69 A/C Compressor Motor Voltage Sensor Performance DTC P0D6A A/C Compressor Motor Voltage Sensor Circuit High Voltage DTC P0D6B A/C Compressor Motor Voltage Sensor Circuit Low Voltage DTC P0D6F A/C Compressor Motor High Current DTC P0D71 Electric A/C Compressor Control Module Temperature Sensor Performance DTC P0D72 Electric A/C Compressor Control Module Temperature Sensor Circuit High Voltage DTC P0D73 Electric A/C Compressor Control Module Temperature Sensor Circuit Low Voltage DTC P0D76 Electric A/C Compressor Control Module Output Driver Temperature Sensor Performance DTC P0D77 Electric A/C Compressor Control Module Output Driver Temperature Sensor Circuit High Voltage DTC P0D78 Electric A/C Compressor Control Module Output Driver Temperature Sensor Circuit Low Voltage DTC P0D7A A/C Compressor Motor Phase U Low Current DTC P0D7B A/C Compressor Motor Phase U High Current DTC P0D7C A/C Compressor Motor Phase V Low Current DTC P0D7D A/C Compressor Motor Phase V High Current DTC P0D7E A/C Compressor Motor Phase W Low Current DTC P0D7F A/C Compressor Motor Phase W High Current |
| DTC P0AF8 | DTC P0AF8 03 Hybrid System Voltage |
| DTC P151C or P2516-P2518 | DTC P151C Air Conditioning (A/C) Low Side Refrigerant Pressure Sensor Not Plausible DTC P2516 Air Conditioning (A/C) Low Side Refrigerant Pressure Sensor Performance DTC P2517 Air Conditioning (A/C) Low Side Refrigerant Pressure Sensor Circuit Low Voltage DTC P2518 Air Conditioning (A/C) Low Side Refrigerant Pressure Sensor Circuit High Voltage |
| DTC P1ECA or P1EC9 | DTC P1ECA A/C Compressor Motor Instantaneous High Voltage DTC P1EC9 A/C Compressor Motor Instantaneous High Current |
| DTC P1F0A-P1F0D | DTC P1F0A A/C Compressor Motor Speed Performance DTC P1F0B A/C Compressor Motor Start-Up Current Performance DTC P1F0C Electric A/C Compressor Control Module A/C Compressor Motor Current Feedback Circuit Low Voltage DTC P10FD Electric A/C Compressor Control Module A/C Compressor Motor Current Feedback Circuit High Voltage |
| DTC P2681, P26A3, P26A6, P26A7, or P26A9 | DTC P2681 Engine Coolant Bypass Valve Control Circuit DTC P26A3 Engine Coolant Bypass Valve Performance DTC P26A6 Engine Coolant Bypass Valve Position Sensor Circuit Low Voltage DTC P26A7 Engine Coolant Bypass Valve Position Sensor Circuit High Voltage DTC P26A9 Engine Coolant Bypass Valve Position Sensor Stop Performance |