B1156 Malfunction in the right front airbag sensor
What does B1156 mean on a Toyota?
B1156. Malfunction in the right front airbag sensor. This Toyota-enhanced code applies to Toyota, Lexus and Scion models that use this code.
Common causes of B1156
- Open or short in the right front airbag sensor circuit
- Loose or corroded connector at the right front airbag sensor
- Damaged harness between the airbag sensor center and the right front airbag sensor
- Failed right front airbag sensor
- Faulty airbag sensor assembly center
How to fix B1156
- 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 right front airbag sensor connector
- Test the right front airbag sensor circuit for opens, shorts and resistance
- Replace the right front airbag sensor only after the circuit tests fail