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Home › Buick › 2017 › Encore Base › Repair and Diagnosis › Electrical › Instrument Panel System Displays And Gauges › Diagnostic Information and Procedures › Instrument Cluster Programming Malfunction (with UDD) › Circuit/System Testing

Circuit/System Testing

    NOTE:

    This procedure should only be completed when the Instrument Cluster fails to read the USB thumb drive during a USB programming event.

  1. Verify the USB cable is properly connected and there is no damage to the cable or connections.
    • If connection problems or cable damage is noted. 

      Perform the appropriate repair or replacement to correct any issues.

    • If no connection problems or cable damage is noted. 
  2. Connect the EL-50334-50 to the X92 USB Receptacle connector and the Instrument Cluster connector X2.
  3. Ignition ON.
  4. Verify the Instrument Cluster completes USB Programming properly following SPS instructions..
    • If Instrument Cluster does not program properly 
    1. Replace the X92 USB Receptacle.
    2. Verify the Instrument Cluster completes USB Programming properly following SPS instructions.
      • If Instrument Cluster does not operate properly 

        Replace the P16 Instrument Cluster.

      • If Instrument Cluster programs properly 

        All OK

    • If Instrument Cluster programs properly 
  5. Replace the USB harness.
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