Tag: car manufacturers

The B0023 code indicates a problem with the right-side roof rail airbag deployment circuit. This system is a critical safety feature designed to deploy the airbag during a collision or impact to protect occupants from injury. When this fault code is triggered, it means there is a malfunction or fault in the circuit that controls the deployment of the right-side roof rail airbag.

The B0021 fault code, applicable to all car manufacturers, means “Left Curtain Deployment Control 1 (Subfault)”.

The B0020 fault code, applicable to all car manufacturers, means “Left Side Airbag Deployment Control (Subfault)”.

B0012 Fault Code: Explanation, Troubleshooting Steps, and Clearing Method