B27F1
Refrigerant Channel Switching 2 Way Type Valve
B27F1 is an OBD-II diagnostic trouble code meaning: Refrigerant Channel Switching 2 Way Type Valve. Common causes: 2-way refrigerant valve malfunction, open or short circuit in valve control circuit. Estimated repair cost: $56–167.
Symptoms
- The air conditioner does not work or does not work correctly
- The temperature in the cabin is not regulated
- Constant air flow at the same temperature
- The climate control system fault light comes on
Causes
- 2-way refrigerant valve malfunction
- Open or short circuit in valve control circuit
- Problems with the climate control unit
- Low refrigerant level in the system
- Valve is dirty or clogged
How to Fix
- Check the refrigerant level in the system
- Check valve control circuit integrity
- Check valve resistance and operation
- Replace valve if necessary
- Check the operation of the climate control control unit
Related codes
FAQ
What does the B27F1 code mean?
B27F1 is an OBD-II diagnostic trouble code that indicates: Refrigerant Channel Switching 2 Way Type Valve
What causes a B27F1 error code?
The most common causes of B27F1 include: 2-way refrigerant valve malfunction; Open or short circuit in valve control circuit; Problems with the climate control unit; Low refrigerant level in the system.
How do I fix a B27F1 diagnostic trouble code?
To fix B27F1: Check the refrigerant level in the system. Check valve control circuit integrity. Check valve resistance and operation. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B27F1?
Limited driving only, diagnose soon
How much does it cost to fix B27F1?
The estimated repair cost for B27F1 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat