B14A8 Compressor break-in fault from low refrigerant. The A/C control module sees the compressor outside factory specifications

What does B14A8 mean on a Toyota?

B14A8. Compressor break-in fault from low refrigerant. The A/C control module sees the compressor outside factory specifications. This Toyota-enhanced code applies to Toyota, Lexus and Scion models that use this code.

Common causes of B14A8

• Low refrigerant charge
• Refrigerant leak in the system
• Failed A/C compressor
• Open or short in the compressor circuit
• Failed A/C control module

How to fix B14A8

1. Confirm the code and read A/C data
2. Check the refrigerant charge and pressures
3. Leak-test the A/C system
4. Inspect and reseat the compressor connector
5. Repair the leak or replace the compressor only after tests