DTC B1617: Front Airbag Sensor Lost Communication (LH); DTC B1618: Front Airbag Sensor Initialization Error (LH) [12/2019 - 11/2023]: Description

The front airbag sensor LH circuit consists of the airbag sensor assembly and front airbag sensor LH.

The front airbag sensor LH detects impacts to the vehicle and sends signals to the airbag sensor assembly to determine if the airbags, pretensioners and selectable force limiter should be deployed.

These DTCs are stored when a malfunction is detected in the front airbag sensor LH circuit.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Warning Indicate	Test Mode / Check Mode
B1617	Front Airbag Sensor Lost Communication (LH)	The airbag sensor assembly detects a line short, short to ground or B+, or an open in the front airbag sensor LH circuit. Front airbag sensor LH malfunction Airbag sensor assembly malfunction	Instrument panel wire Engine room main wire Front airbag sensor LH Airbag sensor assembly	Comes on	Does not apply to test/check mode
B1618	Front Airbag Sensor Initialization Error (LH)	The airbag sensor assembly detects a line short, short to ground or B+, or an open in the front airbag sensor LH circuit. Front airbag sensor LH malfunction Airbag sensor assembly malfunction	Instrument panel wire Engine room main wire Front airbag sensor LH Airbag sensor assembly	Comes on	Does not apply to test/check mode