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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Electrical >> Instrument Panel System Displays And Gauges >> Diagnostic Information and Procedures >> Instrument Cluster Gauges Malfunction >> Circuit/System Verification

Circuit/System Verification

  1. Verify no DTC is set.
    • If no DTCs are set 
  2. Ignition ON, perform the Instrument Cluster Gauge Sweep test with the scan tool, verify that all gauges sweep from their low to high position.
    • If any gauge does not sweep 

      Replace the P16 Instrument Cluster.

    • If all gauges sweep 
  3. Drive the vehicle, verify the gauge values matches the values on the scan tool.
    • If the values do not match 

      Replace the P16 Instrument Cluster.

    • If the values match the scan tool 
  4. All OK.