HVAC DTCS
HVAC DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Description |
|---|---|
| DTC B1502 | H/L: Inside Air Temperature Sensor and/or Its Circuit Malfunction |
| DTC B1503 | H/L: Evaporator Temperature Sensor and/or Its Circuit Malfunction |
| DTC B1504 | H/L: Sunload Sensor and/or Its Circuit Malfunction |
| DTC B1511 | H/L: Temperature Control Actuator (Position Sensor) and/or Its Circuit Malfunction |
| DTC B1512 | H/L: Air Flow Control Actuator (Position Sensor) and/or Its Circuit Malfunction |
| DTC B1513 | Temperature Control Actuator and/or Its Circuit Malfunction |
| DTC B1514 | Air Flow Control Actuator and/or Its Circuit Malfunction |
| DTC B1530 | H/L: Air Intake Control Actuator (Position Sensor) and/or Its Circuit Malfunction |
| DTC B1531 | Air Intake Control Actuator and/or Its Circuit Malfunction |
| DTC B1541 | Back-Up Power Supply Circuit Malfunction |
| DTC B1546 | A/C Refrigerant Pressure Malfunction |
| DTC B1556 | Crankshaft Position (CKP) Sensor and/or Its Circuit Malfunction |
| DTC B1557 | Wheel Speed Sensor and/or Its Circuit Malfunction |
| DTC B1561 | Engine Coolant Temperature Sensor and/or Its Circuit Malfunction |
| DTC B1562 | Outside Air Temperature Sensor and/or Its Circuit Malfunction |
| DTC B1563 | A/C Refrigerant Pressure Sensor and/or Its Circuit Malfunction |
| DTC U0073 | Control Module Communication Bus Off |
| DTC U0100 | Lost Communication with ECM |
| DTC U0140 | Lost Communication with BCM |