FixVault

Circuit/System Testing

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, inspect the vehicle for signs of side impact or frontal inflator module deployment.

    Verify that the vehicle does not show any signs of inflator deployment.

  2. Use a scan tool and observe the SIR DTC display. Refer to Diagnostic Trouble Code (DTC) List - Vehicle . The scan tool should indicate DTC B0055 is not set.
    • If DTC B0055 is set, replace the SDM.