LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 2016 >> Yukon Denali, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 91 (Object Detection System And Pedestrian Protection System) >> Diagnostic Information and Procedures >> Rear Vision Camera System Malfunction (without IO3 and UVH) >> Circuit/System Verification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit/System Verification

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 GMC Yukon XL, 2015 GMC Yukon, 2015 Chevrolet Tahoe, 2015 Chevrolet Suburban, and 2015 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify there is no debris on the B87 Rearview Camera lens and that the bezel and bezel seal are not damaged.
    • If debris is found on the lens 

      Clean the lens. If the lens, bezel, or bezel seal are damaged, replace as necessary.

    • If there is no debris on the lens 
  2. Engine running, transmission in R.
  3. Verify the backup lamps are illuminated.
    • If the backup lamps are illuminated 
  4. Engine running, transmission in R.
  5. Verify a clear rear vision image is displayed on the P17 Info Display Module.
    • If a clear image is not displayed 

      Refer to Circuit/System Testing.

    • If a clear image is displayed 
  6. All OK.
scientia non olet · About LEMON Manuals