B1780 LEXUS – Front Occupant Classification Sensor Left Circuit Malfunction

B1780 LEXUS Possible Symptoms

Air Bag Warning Light ON

B1780 LEXUS Possible Causes

Faulty Front Seat RH (Occupant Classification Sensor Left (LH)),Front Seat RH harness is open or shorted,Front Seat RH circuit poor electrical connection,Faulty Occupant Classification ECU

B1780 LEXUS Description

The Front Occupant Classification Sensor Left (LH) circuit consists of the Occupant Classification ECU and the Front Occupant Classification Sensor LH. The Diagnostic Trouble Code (DTC) B1780 is recorded when a malfunction is detected in the Front Occupant Classification Sensor LH circuit.