B0012 Apr 2026

The B0012 code, often appearing alongside B0013, signifies that the Inflatable Restraint Sensing and Diagnostic Module (SDM) has detected an improper electrical resistance in the steering wheel airbag igniter circuit.

A worn-out clock spring is the most common cause, failing to maintain consistent electrical continuity as the wheel turns. The B0012 code, often appearing alongside B0013, signifies

Once the repair is completed, the SRS light must be cleared. A history DTC will typically clear automatically after 100 malfunction-free ignition cycles, but a scan tool is usually required to clear the current, active B0012 code immediately. A history DTC will typically clear automatically after

If diagnostics point to a faulty clock spring or airbag module, replace the component, ensuring the new unit is compatible and properly programmed if necessary. Finalizing the Repair Diagnosis and Repair Steps Important: Always disconnect the

The use of USB chargers or other devices in 12V outlets can create electrical noise that sets this code. Diagnosis and Repair Steps

Important: Always disconnect the battery and wait for the recommended time (usually 2-10 minutes) to allow the airbag capacitors to discharge before working on the system.