DTC B1855: Short in Rear Side Squib LH Circuit; DTC B1856: Open in Rear Side Squib LH Circuit; DTC B1857: Short to GND in Rear Side Squib LH Circuit; DTC B1858: Short to B+ in Rear Side Squib LH Circuit [04/2018 -]: Description

WARNING: This page is about a different variant/trim than selected.

The rear side squib LH circuit consists of the airbag ECU assembly and rear seat airbag assembly LH.

The airbag ECU assembly uses this circuit to deploy the airbag when deployment conditions are met.

These DTCs are stored when a malfunction is detected in the rear side squib LH circuit.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Warning Indicate	Test Mode / Check Mode
B1855	Short in Rear Side Squib LH Circuit	The airbag ECU assembly detects a line short in the rear side squib LH circuit during the primary check. Rear side squib LH malfunction Airbag ECU assembly malfunction	Floor wire Rear side squib LH (Rear seat airbag assembly LH) Airbag ECU assembly	Comes on	Applies to check mode
B1856	Open in Rear Side Squib LH Circuit	The airbag ECU assembly detects an open in the rear side squib LH circuit. Rear side squib LH malfunction Airbag ECU assembly malfunction	Floor wire Rear side squib LH (Rear seat airbag assembly LH) Airbag ECU assembly	Comes on	Applies to check mode
B1857	Short to GND in Rear Side Squib LH Circuit	The airbag ECU assembly detects a short to ground in the rear side squib LH circuit. Rear side squib LH malfunction Airbag ECU assembly malfunction	Floor wire Rear side squib LH (Rear seat airbag assembly LH) Airbag ECU assembly	Comes on	Applies to check mode
B1858	Short to B+ in Rear Side Squib LH Circuit	The airbag ECU assembly detects a short to B+ in the rear side squib LH circuit. Rear side squib LH malfunction Airbag ECU assembly malfunction	Floor wire Rear side squib LH (Rear seat airbag assembly LH) Airbag ECU assembly	Comes on	Applies to check mode