B2074 LEXUS – Driver Side Seat Belt Buckle Switch Circuit Malfunction

B2074 LEXUS Possible Symptoms

Air Bag Warning Light ON

B2074 LEXUS Possible Causes

Faulty Front Seat Inner Belt Left Assembly,Front Seat Inner Belt Left Assembly harness is open or shorted,Front Seat Inner Belt Left Assembly circuit poor electrical connection,Faulty Center Airbag Sensor,Faulty Seat Belt Control ECU

B2074 LEXUS Description

This DTC is stored when there is a malfunction in the Front Seat Inner Belt Buckle Switch circuit for the driver side. The Seat Belt Control ECU receives buckle switch condition information from the Center Airbag Sensor via the CAN communication line and controls the pre-collision system.