P0533

Symptoms

• Air conditioner doesn't work
• Periodic shutdown of the air conditioner
• Increased compressor noise
• Error indication on the instrument panel

Causes

• Refrigerant pressure sensor malfunction
• Open or short circuit in the sensor circuit
• Wiring harness damage
• Recharging the system with refrigerant
• Sensor contact corrosion
• Air conditioning control unit malfunction

How to Fix

1. Check the refrigerant level in the system
2. Inspect the pressure sensor and its connection
3. Check the integrity of the sensor circuit (resistance, voltage)
4. Clean or replace sensor if necessary
5. Check the operation of the air conditioning compressor
6. Reset the error and check for reappearance

Related codes

Error P0533 by Vehicle Brand