What causes B1794 on a Toyota?

Blown power fuse Open in the ECU battery feed wire Poor electrical connection Failed occupant classification ECU Low battery voltage

How do I fix B1794 on a Toyota?

Disconnect the battery and wait before touching SRS circuits Confirm the code and check the power fuse Inspect and reseat the ECU power connectors Test the battery feed wire for an open Replace the ECU only after tests fail

B1794 Occupant classification ECU sees an open on its battery feed

Q: What does B1794 mean on a Toyota?

B1794. Occupant classification ECU sees an open on its battery feed. 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 B1794 mean on a Toyota?

B1794. Occupant classification ECU sees an open on its battery feed. This Toyota-enhanced code applies to Toyota, Lexus and Scion models that use this code.

Common causes of B1794

Blown power fuse
Open in the ECU battery feed wire
Poor electrical connection
Failed occupant classification ECU
Low battery voltage

How to fix B1794

Disconnect the battery and wait before touching SRS circuits
Confirm the code and check the power fuse
Inspect and reseat the ECU power connectors
Test the battery feed wire for an open
Replace the ECU only after tests fail