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Circuit/System Verification

WARNING: This page is about a different car, the 2020 Buick Regal TourX, 2020 Buick Regal, 2019 Buick Regal TourX, and 2019 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 C0475 is not set.
    • If the DTC is set 
    1. Clear DTCs - DTC C0475
    2. Cycle the ignition from OFF to ON.
    3. Verify the DTC does not set.
      • If the DTC sets - Replace the component: Steering Gear
      • Go to next step: If the DTC does not set
    • Go to next step: If the DTC is not set 
  3. All OK.
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