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Home >> GMC >> 2017 >> Acadia SL >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Cellular System, Entertainment System, And Navigation System >> Diagnostic Information and Procedures >> Radio Information Display Malfunction (IOB) >> Circuit/System Verification

Circuit/System Verification

  1. Verify DTC B127E is not set.
    • If DTC B127E is not set. 
  2. Ignition ON/vehicle in Service Mode, A11 Radio ON.
  3. Verify the P17 Info Display Module turns on and information is shown on the display.
    • If the P17 Info Display Module does not turn on, or information is not shown in the display. 

      Refer to Circuit/System Testing- Blank Screen

    • If the P17 Info Display Module turns on and information is shown on the display. 
  4. Verify the touch screen feature functions by touching a selection on the display.
    • If the display does not respond to the touch screen selection 

      Refer to Circuit/System Testing- Touch Screen

    • If the display responds to the touch screen selection 
  5. All OK.