B14A6 Refrigerant flow sensor circuit short
What does B14A6 mean on a Toyota?
B14A6. Refrigerant flow sensor circuit short. The A/C control module reads the flow sensor outside factory specifications. This Toyota-enhanced code applies to Toyota, Lexus and Scion models that use this code.
Common causes of B14A6
- Failed refrigerant flow sensor
- Short in the flow sensor circuit
- Loose or corroded sensor connector
- Damaged sensor harness
- Failed A/C control module
How to fix B14A6
- Confirm the code and read A/C data
- Check the refrigerant charge
- Inspect and reseat the flow sensor connector
- Test the flow sensor circuit for a short
- Replace the sensor only after tests fail