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Home >> Buick >> 2016 >> Envision >> Repair and Diagnosis >> External Pages >> Different car >> Section 97 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B1280: Rear Seat Entertainment Input Signal Circuit Signal Amplitude < Minimum >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2015 Buick LaCrosse. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify no other DTCs are set.
    • If no other DTCs are set. 
  3. Ignition ON, rear seat entertainment system ON.
  4. Verify both rear seat displays turn on with the system.
    • If both screens turn on with the system. 
  5. All OK.