What causes B1787 on a Toyota?

Strong impact on the left rear seat Failed left rear occupant classification sensor Sensor harness open or shorted Poor electrical connection Failed occupant classification ECU

How do I fix B1787 on a Toyota?

Disconnect the battery and wait before touching SRS circuits Clear the code and perform the zero point calibration Run the sensitivity check after calibration Inspect and reseat the occupant sensor connectors Replace the sensor only after tests fail

B1787 Left rear occupant sensor reports a collision signal

Q: What does B1787 mean on a Toyota?

B1787. Left rear occupant sensor reports a collision signal. 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 B1787 mean on a Toyota?

B1787. Left rear occupant sensor reports a collision signal. This Toyota-enhanced code applies to Toyota, Lexus and Scion models that use this code.

Common causes of B1787

Strong impact on the left rear seat
Failed left rear occupant classification sensor
Sensor harness open or shorted
Poor electrical connection
Failed occupant classification ECU

How to fix B1787

Disconnect the battery and wait before touching SRS circuits
Clear the code and perform the zero point calibration
Run the sensitivity check after calibration
Inspect and reseat the occupant sensor connectors
Replace the sensor only after tests fail