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Home >> Cadillac >> 2012 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1133 (Data Communication System) >> Diagnostic Information and Procedures >> DTC B1009 >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. With a scan tool, clear the DTC.
    • If the DTC will not clear, replace the module that set the DTC.
  2. Ignition OFF, remove the scan tool, open and close the drivers door.
  3. Wait 60 seconds, then recheck for DTCs.
    • If DTC B1009 returns, replace the module.
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