DTC B1812-53: Short to GND in Driver Side Squib 2nd Step Circuit [06/2015 - ]: Description

The driver side squib 2nd step circuit consists of the airbag sensor assembly, spiral cable sub-assembly and horn button assembly.

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

DTC B1812/53 is stored when a short to ground is detected in the driver side squib 2nd step circuit.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Test Mode / Check Mode
B1812/53	Short to GND in Driver Side Squib 2nd Step Circuit	The airbag sensor assembly detects a short to ground in the driver side squib 2nd step circuit. Spiral cable sub-assembly malfunction Driver side squib 2nd step malfunction Airbag sensor assembly malfunction	Instrument panel wire Spiral cable sub-assembly Driver side squib 2nd step (Horn button assembly) Airbag sensor assembly	Applies to check mode