B10A2
Book Code B10A2 Inspection
Automotive Climate Control
High Impact Failure
Code B10A2 - Refrigerant Pressure Sensor Signal Failure (Nissan / Ford)
Specific code for Nissan, Infiniti, and Ford indicating the BCM/HVAC controller is receiving an invalid refrigerant pressure reading.
Safe to Drive? ✅ Yes, Safe
Estimated Repair Cost 200 - 650 SAR
Common Makes Nissan, Infiniti, Ford
System Category pressure
Symptoms of Trouble Code B10A2:
- ⚠️ Sudden loss of AC cooling in Nissan/Ford
- ⚠️ Compressor electronic control valve remains closed
- ⚠️ Code B10A2 stored in BCM scan
Common Causes Behind Code B10A2:
- 🔍 Freon leak in condenser or AC lines
- 🔍 Defective Nissan 3-wire pressure transducer
- 🔍 Water corrosion in front harness plug
Diagnostic Procedure Recommended by Auto Save Technicians:
- 1 Check static line pressure with manifold gauges
- 2 Inspect 3-pin plug and verify sensor voltage return
Specialist Recommendation:
Request Parts & Repair Quote
Confirm freon level first; 85% of B10A2 codes are due to low refrigerant.
Associated Components: Nissan Pressure Sensor A/C Condenser
Frequently Asked Questions: Code B10A2
Where is the AC pressure sensor on Nissan Patrol?
Mounted on the aluminum high-pressure line right next to the condenser behind the front grille.