B1650 B1794 Codes

Affected vehicles

Toyota, Lexus, Scion, Subaru…

B1650 Occupant classification system fault

This code is usually stored in the SRS Module, pointing you to diagnose the OCS Module for more details.

OCS (Occupant Classification Sensor)

B1794 Open in Occupant Classification ECU Battery Positive Line

Possible Causes

• Wire harness
• Occupant classification ECU

Diagnostic Tips

Example of OCS Connector (Toyota RAV4)

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• More info is here.