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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 269 (Air Bag Restraint Systems) >> Diagnostic Tests >> DTC B1786: Occupant Classification Right Front Sensor Circuit Malfunction >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.

Diagnostic Trouble Code (DTC) B1786 could be caused by seat adjuster frame malfunction, occupant classification ECU malfunction or occupant classification right front sensor detected large load.

NOTE: During testing, if DTCs other than DTC B1786 are displayed, disregard them.
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