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Home >> Buick >> 2020 >> Envision Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 193 (Driver Assistance Systems) >> Diagnostic Information and Procedures >> DTC B101D (Frontview Camera Module or Frontview Camera - Windshield) >> Circuit/System Verification
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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. Verify that DTC B101D 3C is not set as current.
    • If DTC B101D 3C is set as current 
    1. Program the B174W Frontview Camera - Windshield.
    2. Operate the vehicle within the Conditions for Running the DTC.
    3. Verify that DTC B101D 3C is not set as current.
      • If DTC B101D 3C is set as current, replace the B174W Frontview Camera - Windshield.
      • Go to next step: If DTC B101D 3C is not set as current
    4. All OK.
    • Go to next step: If DTC B101D 3C is not set as current 
  2. Verify that DTC B101D 34, B101D 35, B101D 36, or B101D 39 is not set as current.
    • If DTC B101D 34, B101D 35, B101D 36, or B101D 39 is set as current 

      Replace the B174W Frontview Camera - Windshield.

    • Go to next step: If DTC B101D 34, B101D 35, B101D 36, or B101D 39 is not set as current 
  3. All OK.