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Circuit/System Verification

WARNING: This page is about a different car, the 2008 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
  1. With a scan tool, clear DTC C0550.
    • If the DTC will not clear, if the DTC will not clear, replace the control module.
  2. Ignition OFF, remove the scan tool, open and close the drivers door.
  3. Wait 60 seconds, ignition ON, then recheck for DTCs.
    • If the DTC returns, replace the module.
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