B14F2 Seat heater temperature sensor fault. The seat heater controller reads an open, shorted or dead sensor
What does B14F2 mean on a Toyota?
B14F2. Seat heater temperature sensor fault. The seat heater controller reads an open, shorted or dead sensor. This Toyota-enhanced code applies to Toyota, Lexus and Scion models that use this code.
Common causes of B14F2
- Failed seat heater temperature sensor
- Open or short in the sensor circuit
- Loose or corroded sensor connector
- Damaged sensor harness
- Failed seat heater controller
How to fix B14F2
- Confirm the code and read seat heater data
- Inspect and reseat the seat heater sensor connector
- Test the temperature sensor circuit and signal
- Compare the sensor reading to a known temperature
- Replace the sensor or controller only after tests fail