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Home >> Chevrolet >> 2013 >> Volt >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays And Gauges >> Diagnostic Information and Procedures >> Speedometer and/or Odometer Malfunction >> Circuit/System Verification

Circuit/System Verification

  1. Vehicle in Service Mode.
  2. Verify all gauge segments illuminate when performing the Driver Information Center Segments test with the scan tool.
    • If any gauge segments do not illuminate 

      Replace the P16 instrument cluster

    • If all gauge segments illuminate 
  3. Drive the vehicle.
  4. Verify the displayed Instrument Cluster speedometer value matches the vehicle speed parameter on the scan tool.
    • If the values do not match 

      Replace the P16 Instrument Cluster.

    • If the values match 
  5. Verify the odometer display and the displayed distance counts up while driving the vehicle.
    • If the odometer displays only "----" (dashes) 

      Refer to Circuit/System Testing below.

    • If the odometer display does not count up 

      Replace the P16 Instrument Cluster.

    • If speedometer sweeps and displays the correct value, and the odometer display counts up 
  6. All OK.
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