Circuit/System Testing

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

Ignition OFF, inspect the vehicle for signs of inflator module or pretensioner deployment. Verify that the vehicle does not show any signs of inflator deployment.
- If the vehicle displays any signs of inflator deployment go to Repairs and Inspections Required After a Collision .
Use a scan tool and observe the SIR DTC display. Refer to Diagnostic Trouble Code (DTC) List - Vehicle . The scan tool should indicate DTC B0053 is not set.
- If DTC B0053 is set then replace the SDM. Refer to Inflatable Restraint Sensing and Diagnostic Module Replacement in Repair Instructions.