What causes B1650 on a Toyota?

Failed occupant classification ECU Occupant sensor circuit fault Poor electrical connection Damaged sensor harness Low system voltage

How do I fix B1650 on a Toyota?

Disconnect the battery and wait before touching SRS circuits Confirm the code and check the occupant system Inspect and reseat the occupant classification connectors Test the sensor circuits to the ECU Replace the ECU only after tests fail

B1650 Occupant classification system reports a fault

Q: What does B1650 mean on a Toyota?

B1650. Occupant classification system reports a fault. 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 B1650 mean on a Toyota?

B1650. Occupant classification system reports a fault. This Toyota-enhanced code applies to Toyota, Lexus and Scion models that use this code.

Common causes of B1650

Failed occupant classification ECU
Occupant sensor circuit fault
Poor electrical connection
Damaged sensor harness
Low system voltage

How to fix B1650

Disconnect the battery and wait before touching SRS circuits
Confirm the code and check the occupant system
Inspect and reseat the occupant classification connectors
Test the sensor circuits to the ECU
Replace the ECU only after tests fail