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Home >> Chevrolet >> 2005 >> Cobalt SS >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (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 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. 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.
    • If the BCM has the wrong VIN number refer to BCM in Repairs Instructions for programming.
  3. Using the scan tool perform the Setup SDM Part Number into BCM procedure. Refer to SDM in Repairs Instructions for programming.
  4. 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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