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Home >> GMC >> 2013 >> Sierra 1500 XFE >> Repair and Diagnosis >> External Pages >> Different car >> Section 2535 (Object Detection And Pedestrian Protection System) >> Diagnostic Information and Procedures >> DTC B127B: Rearview Camera Input Signal >> Circuit/System Verification

Circuit/System Verification

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  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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