DTC B0021-1A: Left Curtain Deployment Control 1 Circuit Resistance Below Threshold [11/2023 - ]: Description

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Warning Indicate	DTC Output from	Priority	Test Mode / Check Mode
B0021-1A	Left Curtain Deployment Control 1 Circuit Resistance Below Threshold	The airbag sensor assembly detects a line short in the curtain shield squib LH circuit for 2 seconds during the primary check. Curtain shield airbag assembly LH malfunction Airbag sensor assembly malfunction	Harness or connector Curtain shield airbag assembly LH Airbag sensor assembly	Comes on	SRS Airbag	A	Applies to check mode