DTC B0004-12: Driver Knee Bolster Deployment Control Circuit Short to Battery [11/2021 - 10/2023]: Description

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Warning Indicate	Test Mode / Check Mode
B0004-12	Driver Knee Bolster Deployment Control Circuit Short to Battery	One of the following conditions is met: The airbag ECU assembly detects a short circuit to B+ signal in the driver side knee squib circuit for 0.5 seconds. A lower No. 1 instrument panel airbag assembly malfunction. An airbag ECU assembly malfunction.	Wire harness Lower No. 1 instrument panel airbag assembly Airbag ECU assembly	Comes on	Applicable