What causes B1647 on a Toyota?

Failed left side airbag sensor Failed left rear airbag sensor Failed center airbag sensor assembly Side airbag sensor harness open or shorted Poor electrical connection

How do I fix B1647 on a Toyota?

Disconnect the battery and wait before touching SRS circuits Confirm the code and inspect the left side sensor area Inspect and reseat the side and rear airbag sensor connectors Test the sensor circuit for opens and shorts Replace the failed sensor only after tests fail

B1647 No communication with the left side airbag sensor bus

Q: What does B1647 mean on a Toyota?

B1647. No communication with the left side airbag sensor bus. 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 B1647 mean on a Toyota?

B1647. No communication with the left side airbag sensor bus. This Toyota-enhanced code applies to Toyota, Lexus and Scion models that use this code.

Common causes of B1647

Failed left side airbag sensor
Failed left rear airbag sensor
Failed center airbag sensor assembly
Side airbag sensor harness open or shorted
Poor electrical connection

How to fix B1647

Disconnect the battery and wait before touching SRS circuits
Confirm the code and inspect the left side sensor area
Inspect and reseat the side and rear airbag sensor connectors
Test the sensor circuit for opens and shorts
Replace the failed sensor only after tests fail