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Home › Cadillac › 2017 › CTS Base, RWD › Repair and Diagnosis › Accessories & Equipment › Drivers Assistance Systems - ADAS › Object Detection System And Pedestrian Protection System › Diagnostic Information and Procedures › DTC B127B: Rearview Camera Input Signal Circuit Missing Reference › 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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