A/C Refrigerant Pressure Sensor B Circuit
The P2515 code means the vehicle's onboard diagnostic system has detected: A/C Refrigerant Pressure Sensor B Circuit. This is a moderate severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- moderate
- Estimated cost
- $100 - $400 (parts and labor)
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Common Symptoms
- A/C system not cooling properly
- A/C compressor not engaging
- Check engine light on
- Higher than normal engine temperature during A/C use
Probable Causes (Ranked by Likelihood)
- Failed A/C refrigerant pressure sensor Very High
- Wiring issue in pressure sensor circuit High
- Low refrigerant charge affecting sensor reading Moderate
- ECM A/C control circuit problem Low
Step-by-Step Diagnostic Procedure
-
Check A/C refrigerant pressure with manifold gauges
-
Test pressure sensor signal voltage at connector
-
Inspect pressure sensor wiring for damage or corrosion
-
Verify proper refrigerant charge level
Frequently Asked Questions
Can I still drive with P2515?
Yes, but your A/C may not function properly. The vehicle is safe to drive; you just may not have cooling.
Is low refrigerant the cause of P2515?
Low refrigerant can trigger this code, but P2515 specifically points to the pressure sensor circuit. Both refrigerant level and sensor should be checked.
How much does an A/C pressure sensor cost?
The sensor itself typically costs $30 to $80. With labor to diagnose and replace, expect $100 to $400 total.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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