B0028 -

This code is often accompanied by a sub-code, most frequently , which specifically points to an "Open Circuit" . Common Meanings by Vehicle

The error code typically refers to a fault in the Right-Side Airbag Deployment Control circuit. It indicates that the vehicle's Supplemental Restraint System (SRS) module has detected an issue—most commonly an open circuit or low/high resistance —in the deployment loop for the right-side airbag. This code is often accompanied by a sub-code,

While the core definition is consistent, the specific component involved can vary by manufacturer: View Message - nhtsa This code is often accompanied by a sub-code,