DTC B181A-13: Passenger Seat Airbag Variable Vent Hole Squib Circuit Open [11/2022 - ]: Description

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2025 Toyota GR Corolla, 2025 Toyota Corolla, 2024 Toyota GR Corolla, 2024 Toyota Corolla, and 2023 Toyota GR Corolla. However, it is still accessible from the selected car via links, so may be relevant.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Warning Indicate	DTC Output from	Priority	Test Mode / Check Mode
B181A-13	Passenger Seat Airbag Variable Vent Hole Squib Circuit Open	The airbag sensor assembly detects an open in the front passenger side airbag variable vent hole squib circuit for 2 seconds. Instrument panel passenger airbag assembly malfunction Airbag sensor assembly malfunction	Harness or connector Instrument panel passenger airbag assembly Airbag sensor assembly	Comes on	SRS Airbag	A	Applies to check mode