AC Pressure Switch — Volvo XC90
Category: AC | Severity: medium | Cost: ₹3,000–₹10,000
What is AC Pressure Switch?
Monitors refrigerant pressure and protects AC system.
How AC Pressure Switch Works
Turns compressor on/off based on pressure levels.
Why is AC Pressure Switch Important?
Prevents compressor damage due to abnormal pressure.
Common Problems
- Sensor failure
- Incorrect readings
Symptoms
- AC not turning on
- Compressor not engaging
- Intermittent cooling
Causes of Failure
- Electrical fault
- Wear and tear
Impact on Car Performance
AC system may stop working or behave erratically.
DIY Fix Guide — Step by Step
- Check wiring
- Scan for error codes
Maintenance Tips
- Regular AC diagnostics
- Avoid overcharging refrigerant
Replacement Cost in India
Estimated range: ₹3,000 – ₹10,000
Where to Buy Online
When to Replace AC Pressure Switch
When compressor does not engage due to faulty readings.