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.
