HVAC System - Automatic - Diagnostic Trouble Codes
HVAC SYSTEM - AUTOMATIC - DIAGNOSTIC TROUBLE CODES
| DTC | Description |
|---|---|
| DTC B0158, B0163, B0173, B0178, B0509, B0514, B3578, or B3583 | Air Temperature Sensor |
| DTC B0183 or B0188 | Solar Load Sensor |
| DTC B0228, B0413, B0423, B0433, B3779, or B3782 | Recirculation Position Feedback/Temperature Control Feedback/Air Flow Control Feedback |
| DTC B1023 | Integral Switch Performance |
| DTC B3844 | Heater Core Pump |
| DTC B3933 | Evaporator Temperature Sensor |
| DTC P0532 or P0533 | A/C Refrigerant Pressure Sensor |
| DTC P0645 | A/C Clutch Relay |
| DTC P2518 | A/C Refrigerant Low Side Fluid Pressure Sensor |