DTC B1656: Seat Belt Buckle Switch (LH) [10/2020 - 10/2023]: Description

The seat belt buckle switch LH circuit consists of the airbag ECU assembly and front seat inner belt assembly LH.

DTC B1656 is stored when a malfunction is detected in the seat belt buckle switch LH circuit.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Warning Indicate	Test Mode / Check Mode
B1656	Seat Belt Buckle Switch (LH)	One of the following conditions is met: The airbag ECU assembly detects a line short, short to ground or B+, or an open in the seat belt buckle switch LH circuit. A front seat inner belt assembly LH (seat belt buckle switch LH) malfunction An airbag ECU assembly malfunction	Floor wire Front seat inner belt assembly LH Airbag ECU assembly	Comes on	Not applicable