OBD-II
P0533
A/C Refrigerant Pressure Sensor A Circuit High
What it means
The Engine Control Module (ECM) or Body Controller detects an abnormally high voltage signal from the air conditioning high-pressure sensor. This typically indicates an open circuit, a failed sensor, or an actual overpressure condition in the HVAC system.
Sign in to view symptoms, probable causes, diagnostic steps, severity, and related codes