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Circuit/System Verification

WARNING: This page is about a different car, the 2018 Buick Regal TourX and 2018 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition - On / Vehicle - In Service Mode
  2. Verify DTC C047A is not set.
    • If the DTC is set 

      Replace the component: K43 Power Steering Control Module

    • Go to next step: If the DTC is not set 
  3. All OK.
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