HVAC - Automatic - Diagnostic Trouble Codes
HVAC - AUTOMATIC - DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B0163, B0183, or B1405 | B0163 02: Passenger Compartment Temperature Sensor Circuit Short to Ground B0163 05: Passenger Compartment Temperature Sensor Circuit High Voltage/Open B0183 02: Solar Load Sensor Circuit Short to Ground B0183 05: Solar Load Sensor Circuit High Voltage/Open B1405 02: Control Module Voltage Reference Output 2 Circuit Short to Ground B1405 05: Control Module Voltage Reference Output 2 Circuit High Voltage/Open |
| DTC B018A, B048C, B048F, or B1395 | B018A 02: Windshield Temperature Sensor Circuit Short to Ground B018A 05: Windshield Temperature Sensor Circuit High Voltage/Open B048C 02: Humidity Sensor Humidity Circuit Short to Ground B048C 05: Humidity Sensor Humidity Circuit High Voltage/Open B048F 02: Humidity Sensor Temperature Circuit Short to Ground B048F 05: Humidity Sensor Temperature Circuit High Voltage/Open B1395 03: Control Module Voltage Reference Output Circuit Low Voltage B1395 07: Control Module Voltage Reference Output Circuit High Voltage |
| DTC B0193 | B0193 01: Front Blower Motor Speed Circuit Short to Battery B0193 06: Front Blower Motor Speed Circuit Low Voltage/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 B0468, B046B, or B046C | B0468 01: Auxiliary Heater Coolant Pump Control Circuit Short to Battery B0468 06: Auxiliary Heater Coolant Pump Control Circuit Low Voltage/Open B046B 00: Auxiliary Heater Coolant Pump Feedback Circuit Malfunction B046C 02: Auxiliary Heater Coolant Pump Enable Circuit Short to Ground B046C 05: Auxiliary Heater Coolant Pump Enable Circuit High Voltage/Open |
| DTC B3933 | B3933 02: Evaporator Air Temperature Sensor Short to Ground B3933 05: Evaporator Air Temperature Sensor Short to Battery or Open |
| DTC P0071-P0073 | P0071: Ambient Air Temperature Sensor Performance P0072: Ambient Air Temperature Sensor Circuit Low Voltage P0073: Ambient Air Temperature Sensor Circuit High Voltage |
| DTC P0531, P0532, or P0533 | P0531: Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit P0532: Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit Low Voltage P0533: Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit High Voltage |
| DTC P0534 | P0534: Air Conditioning (A/C) Refrigerant Charge Low |
| DTC P0536-P0538 or P15B3 | P0536: Air Conditioning (A/C) Evaporator Temperature Sensor 2 Performance P0537: Air Conditioning (A/C) Evaporator Temperature Sensor 2 Circuit Low Voltage P0538: Air Conditioning (A/C) Evaporator Temperature Sensor 2 Circuit High Voltage P153B: Air Conditioning (A/C) Evaporator Temperature Sensor 2 not Plausible |
| DTC P0D69-P0D7F | P0D69: A/C Compressor Motor Voltage Sensor Performance P0D6A: A/C Compressor Motor Voltage Sensor Circuit High Voltage P0D6B: A/C Compressor Motor Voltage Sensor Circuit Low Voltage P0D6F: A/C Compressor Motor High Current P0D71: Electric A/C Compressor Control Module Temperature Sensor Performance P0D72: Electric A/C Compressor Control Module Temperature Sensor Circuit High Voltage P0D73: Electric A/C Compressor Control Module Temperature Sensor Circuit Low Voltage P0D76: Electric A/C Compressor Control Module Output Driver Temperature Sensor Performance P0D77: Electric A/C Compressor Control Module Output Driver Temperature Sensor Circuit High Voltage P0D78: Electric A/C Compressor Control Module Output Driver Temperature Sensor Circuit Low Voltage P0D7A: A/C Compressor Motor Phase U Low Current P0D7B: A/C Compressor Motor Phase U High Current P0D7C: A/C Compressor Motor Phase V Low Current P0D7D: A/C Compressor Motor Phase V High Current P0D7E: A/C Compressor Motor Phase W Low Current P0D7F: A/C Compressor Motor Phase W High Current |
| DTC P151C or P2516-P2518 | P151C: Air Conditioning (A/C) Low Side Refrigerant Pressure Sensor Not Plausible P2516: Air Conditioning (A/C) Low Side Refrigerant Pressure Sensor Performance P2517: Air Conditioning (A/C) Low Side Refrigerant Pressure Sensor Circuit Low Voltage P2518: Air Conditioning (A/C) Low Side Refrigerant Pressure Sensor Circuit High Voltage |
| DTC P1ECA or P1EC9 | P1ECA: HV Voltage Instant Overvoltage Performance Fault P1EC9: DC Link Instant Overcurrent |
| DTC P1F0A-P1F0D | P1F0A: Electric A/C Compressor Control Module A/C Compressor Motor Current Feedback Circuit Low P1F0B: ACCM Motor drive circuit fault P1F0C: Electric A/C Compressor Control Module A/C Compressor Motor Current Feedback Circuit High P10FD: A/C Compressor Motor Start-Up Current Performance |
| DTC P2681, P26A3, P26A6, P26A7, or P26A9 | P2681: Engine Coolant Bypass Valve Control Circuit P26A3: Engine Coolant Bypass Valve Performance P26A6: Engine Coolant Bypass Valve Position Sensor Circuit Low Voltage P26A7: Engine Coolant Bypass Valve Position Sensor Circuit High Voltage P26A9: Engine Coolant Bypass Valve Position Sensor Stop Performance |