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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 99 (Supplemental Inflatable Restraint System) >> Diagnostic Information and Procedures >> DTC B1001 >> Circuit/System Testing

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.
  1. Ignition ON, use the scan tool to request SIR DTCs. Verify that DTC B1001 is set as current.
    • If DTC B1001 is history, clear codes and recheck.
  2. Using the scan tool check the BCM that is programmed with the VIN. Verify that the BCM is programmed with the correct VIN number with the vehicle VIN plate.
  3. Using the scan tool perform the Setup SDM Part Number into BCM procedure. Refer to Inflatable Restraint Sensing and Diagnostic Module Replacement  in Repair Instructions for programming.
  4. With the ignition ON use the scan tool to clear the DTCs. Verify that DTC B1001 is cleared.
    • If DTC B1001 was current replace the SDM.
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