B0825 low

Refrigerant Pressure Sensor Range

The B0825 code means the vehicle's onboard diagnostic system has detected: Refrigerant Pressure Sensor Range. This is a low severity code.

My Garage →
Keep driving?
Yes, but fix soon
DIY difficulty
moderate
Estimated cost
$40 - $350 (parts and labor)
Read Body Codes
BlueDriver Bluetooth Pro Scanner

Basic scanners skip body codes entirely. BlueDriver reads airbag, HVAC, lighting, and BCM codes through your phone.

Check Price on Amazon

Affiliate link -- we earn a commission at no extra cost to you.

Common Symptoms

  • Climate control blows wrong temperature
  • AC not cooling properly
  • Heater not warming cabin
  • Temperature fluctuates unexpectedly

Probable Causes (Ranked by Likelihood)

  • Faulty temperature sensor Very High
  • Damaged sensor wiring High
  • Climate control module fault Moderate
  • Refrigerant system issue Low

Step-by-Step Diagnostic Procedure

  1. Test temperature sensor resistance with multimeter

  2. Check sensor connector for corrosion

  3. Compare sensor reading to actual temperature

  4. Scan HVAC module for fault codes

Frequently Asked Questions

Why does my AC blow hot air on one side?

A faulty temperature sensor on that side can cause the blend door to open incorrectly, mixing hot air into the cooled air.

What does the sunload sensor do?

It measures sunlight intensity through the windshield and adjusts climate output to compensate for solar heating.

Can I drive with a faulty temperature sensor?

Yes, the vehicle is safe to drive but climate control may not maintain the set temperature accurately.

Sources

This page is built from documented references. Verify against your own service info before repair work.

Explore More

Was this helpful?

Share carcodefinder.com with a friend who needs to decode their check engine light.