00819 - High Pressure Sensor (G65): Signal too Low
Possible Symptoms

    Climate Control stuck in ECON Mode

Possible Causes

    Insufficient Refrigerant Pressure
    Wiring/Connectors from/to High Pressure Sensor (G65) faulty
    High Pressure Sensor (G65) faulty

Possible Solutions

    Check Refrigerant Pressure
    Check Measuring Value Blocks (MVB)
    Check Wiring/Connectors from/to High Pressure Sensor (G65)
    Check High Pressure Sensor (G65)