P0533: A/C Refrigerant Pressure Sensor Circuit High
5 vehicles · 4 makes · $50-$22,000 repair
Most Reported On
P0533 is an OBD-II diagnostic trouble code meaning “A/C Refrigerant Pressure Sensor Circuit High.” The A/C refrigerant pressure sensor is reading higher than expected. A/C system may not function correctly. This code is most commonly reported on 2014-2021 BMW i3, 2024-2026 Audi Q8 e-tron (Premium, Premium Plus, Prestige, Sportback Premium, Sportback Premium Plus, Sportback Prestige), and 2012-2019 Toyota Prius C, plus 2 other vehicles, with repair costs ranging from $50 to $22,000.
Common Causes
Typical Repair Cost
Based on 7 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
To diagnose P0533, you'll need an OBD-II scanner. Here are our recommendations at every price point.
ANCEL AD310 Classic OBD-II Scanner
by ANCEL
A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).
- Read & clear engine codes
- View freeze frame data
- I/M readiness status
- No batteries or app needed
BlueDriver Pro Bluetooth Scanner
by BlueDriver
Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.
- Enhanced diagnostics (ABS, SRS, transmission)
- Repair Reports with verified fixes
- Smog check readiness
- Free app (iOS & Android)
LAUNCH CRP123X OBD-II Scanner
by LAUNCH
A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.
- Engine, transmission, ABS, SRS diagnostics
- Live data stream & graphing
- AutoVIN for vehicle identification
- Free lifetime updates via Wi-Fi
Autel MaxiCOM MK808S Diagnostic Tool
by Autel
Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.
- All-system diagnostics (25+ modules)
- Bi-directional control & active tests
- Oil reset, EPB, BMS, TPMS, injector coding
- 7-inch touchscreen with Android OS
As an Amazon Associate, we earn from qualifying purchases. Prices are approximate and may vary.
Vehicles Affected (5)
FAQ
What does P0533 mean?
P0533 stands for "A/C Refrigerant Pressure Sensor Circuit High." The A/C refrigerant pressure sensor is reading higher than expected. A/C system may not function correctly.
What are the most common causes of P0533?
The most common causes of P0533 are: Faulty A/C pressure sensor, Overcharged A/C system, Wiring fault, Corroded connector, Blocked condenser. The specific cause varies by vehicle.
How much does it cost to fix P0533?
Repair costs for P0533 range from $50 to $22,000, depending on the vehicle and root cause.
Which vehicles are affected by P0533?
Au7o has documented P0533 across 5 vehicle models from 4 manufacturers: Audi, BMW, Chevrolet, Toyota.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.