What causes B1143 on a Toyota?

Open or short in the right door side airbag sensor circuit Loose or corroded connector at the right door side airbag sensor Damaged harness between the airbag sensor center and the right door side airbag sensor Failed right door side airbag sensor Faulty airbag sensor assembly center

How do I fix B1143 on a Toyota?

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 door side airbag sensor connector Test the right door side airbag sensor circuit for opens, shorts and resistance Replace the right door side airbag sensor only after the circuit tests fail

B1143 Malfunction in the right door side airbag sensor circuit

Q: What does B1143 mean on a Toyota?

B1143. Malfunction in the right door side airbag sensor circuit. Applies to Toyota, Lexus and Scion models that use this code.

Category: Body
Severity: Airbag Light
Applies to: Toyota, Lexus and Scion models that use this code

What does B1143 mean on a Toyota?

B1143. Malfunction in the right door side airbag sensor circuit. This Toyota-enhanced code applies to Toyota, Lexus and Scion models that use this code.

Common causes of B1143

Open or short in the right door side airbag sensor circuit
Loose or corroded connector at the right door side airbag sensor
Damaged harness between the airbag sensor center and the right door side airbag sensor
Failed right door side airbag sensor
Faulty airbag sensor assembly center

How to fix B1143

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 door side airbag sensor connector
Test the right door side airbag sensor circuit for opens, shorts and resistance
Replace the right door side airbag sensor only after the circuit tests fail