Occupant Classification System
WARNING: This page is about a different car, the 2009 Lexus IS 350 and 2009 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.
OCCUPANT CLASSIFICATION SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| B1771 | Passenger Side Buckle Switch Circuit Malfunction |
| B1773 | Belt Tension Sensor Circuit Malfunction |
| B1774 | Pressure Sensor Circuit Malfunction |
| B1775 | Pressure Sensor Power Source Circuit Malfunction |
| B1776 | Seat Belt Tension Sensor Power Source Circuit Malfunction |
| B1790 | Center Airbag Sensor Assembly Communication Circuit Malfunction |
| B1795 | Occupant Classification ECU Malfunction |
| B1797 | Calibration Malfunction |