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Home >> Cadillac >> 2017 >> CT6 Plug-In >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Object Detection System And Pedestrian Protection System - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC B127B: Rearview Camera Input Signal Circuit Missing Reference (UVC) >> Circuit/System Verification

Circuit/System Verification

  1. Engine running, transmission in R.
  2. 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 
  3. All OK.
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