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Home >> GMC >> 2017 >> Terrain SL, Gas >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Cellular System, Entertainment System, And Navigation System >> Diagnostic Information and Procedures >> DTC B1288: Video Display Mode Control Signal >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition ON, radio ON, DVD playing.
  2. Verify the display mode of the seatback video displays can be controlled using the infrared remote control to change the display mode.
    • If the display mode cannot be controlled. 

      Refer to Circuit/System Testing

    • If the display mode can be controlled. 
  3. All OK.
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