B1153 Malfunction in the seat position airbag sensor circuit
What does B1153 mean on a Toyota?
B1153. Malfunction in the seat position airbag sensor circuit. This Toyota-enhanced code applies to Toyota, Lexus and Scion models that use this code.
Common causes of B1153
- Open or short in the seat position airbag sensor circuit
- Loose or corroded connector at the seat position airbag sensor
- Damaged harness between the airbag sensor center and the seat position airbag sensor
- Failed seat position airbag sensor
- Faulty airbag sensor assembly center
How to fix B1153
- Disconnect the battery and wait before touching SRS wiring
- Confirm the code with an SRS-capable scanner and read freeze frame
- Inspect and reseat the seat position airbag sensor connector
- Test the seat position airbag sensor circuit for opens, shorts and resistance
- Replace the seat position airbag sensor only after the circuit tests fail