HVAC DTCS - Automatic
HVAC - AUTOMATIC DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DDTC | DEFINITION |
|---|---|
| DTC B0126, B0131, B0159, B0164, B0174, OR B0179 | Sensor Signal Circuit Is Less Than 0.09 Volt Or More Than 4.90 Volts |
| DTC B0184 or B0189 | Sunload Sensor Signal Circuit Is Less Than 0.09 Volt Or More Than 4.90 Volts |
| DTC B0234, B0249, B0269, OR B0279 | Actual Total Travel Range Of An Actuator Faulty |
| DTC B0237, B0252, B0272, OR B0282 | Signal Circuit Of An Actuator Faulty |
| DTC B1000 | Loss Of Communications Between IPM And HVAC Control Module |
| DTC P0530 | A/C Refrigerant Pressure Sensor Signal Voltage |
| DTC P0532 OR P0533 | A/C Pressure Of Less Than 0.1 Volts Or More Than 4.92 Volts |
| DTC P0645 | Fault Detection Circuit Senses A Voltage Other Than What Is Expected |
| DTC P1536 | Engine Coolant Temperature Is Equal To Or More Than 121°C (250°F) |
| DTC P1540 | A/C Refrigerant Pressure Is More Than 2968 kPa (430 psi) |
| DTC P1545 | Improper Voltage Level On A/C Compressor Clutch Relay Control Circuit |