What causes B1166 on a Toyota?

Open or short in the left curtain shield airbag squib circuit Loose or corroded connector at the left curtain shield airbag squib Damaged harness between the airbag sensor center and the left curtain shield airbag squib Failed left curtain shield airbag squib Faulty airbag sensor assembly center

How do I fix B1166 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 left curtain shield airbag squib connector Test the left curtain shield airbag squib circuit for opens, shorts and resistance Replace the left curtain shield airbag squib only after the circuit tests fail

B1166 Open circuit in the left curtain shield airbag squib circuit

Q: What does B1166 mean on a Toyota?

B1166. Open circuit in the left curtain shield airbag squib circuit. The deploy loop has no continuity. 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 B1166 mean on a Toyota?

B1166. Open circuit in the left curtain shield airbag squib circuit. The deploy loop has no continuity. This Toyota-enhanced code applies to Toyota, Lexus and Scion models that use this code.

Common causes of B1166

Open or short in the left curtain shield airbag squib circuit
Loose or corroded connector at the left curtain shield airbag squib
Damaged harness between the airbag sensor center and the left curtain shield airbag squib
Failed left curtain shield airbag squib
Faulty airbag sensor assembly center

How to fix B1166

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 left curtain shield airbag squib connector
Test the left curtain shield airbag squib circuit for opens, shorts and resistance
Replace the left curtain shield airbag squib only after the circuit tests fail