B0004

Passenger Frontal Stage 2 Deployment Control

Body Code · Critical

What does B0004 mean?

A fault in the passenger airbag stage 2 deployment circuit.

System: Airbag

B0004 is a body diagnostic trouble code indicating passenger frontal stage 2 deployment control. This code is classified as critical severity, which means: stop driving — risk of damage or safety hazard.

Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your vehicle.