B1653 Seat position sensor circuit reads a fault
What does B1653 mean on a Toyota?
B1653. Seat position sensor circuit reads a fault. This Toyota-enhanced code applies to Toyota, Lexus and Scion models that use this code.
Common causes of B1653
- Failed seat position sensor
- Seat position sensor circuit open or shorted
- Poor electrical connection
- Failed center airbag sensor assembly
- Low system voltage
How to fix B1653
- Disconnect the battery and wait before touching SRS circuits
- Confirm the code and move the seat through its travel
- Inspect and reseat the seat position sensor connectors
- Test the sensor circuit for opens and shorts
- Replace the sensor only after tests fail