What causes B1796 on a Toyota?

Failed occupant classification ECU Power circuit fault keeping the ECU awake Poor electrical connection Damaged ECU harness Low system voltage

How do I fix B1796 on a Toyota?

Disconnect the battery and wait before touching SRS circuits Confirm the code and check for a battery drain Inspect and reseat the ECU connectors Check the power circuit for a parasitic draw Replace the ECU only after tests fail

B1796 Occupant classification ECU fails to enter sleep mode

Q: What does B1796 mean on a Toyota?

B1796. Occupant classification ECU fails to enter sleep mode. 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 B1796 mean on a Toyota?

B1796. Occupant classification ECU fails to enter sleep mode. This Toyota-enhanced code applies to Toyota, Lexus and Scion models that use this code.

Common causes of B1796

Failed occupant classification ECU
Power circuit fault keeping the ECU awake
Poor electrical connection
Damaged ECU harness
Low system voltage

How to fix B1796

Disconnect the battery and wait before touching SRS circuits
Confirm the code and check for a battery drain
Inspect and reseat the ECU connectors
Check the power circuit for a parasitic draw
Replace the ECU only after tests fail