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Home >> Chevrolet >> 2012 >> Volt >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays And Gauges >> Diagnostic Information and Procedures >> Instrument Cluster Gauges Malfunction >> Circuit/System Verification

Circuit/System Verification

  1. Vehicle in Service Mode, perform the Instrument Cluster Gauge Sweep test with the scan tool, verify that the instrument cluster performs a screen test sequence.
    NOTE:

    Since there are no gauges, the instrument cluster will go through a screen test sequence instead of sweeping the gauges.

    • If the instrument cluster does not perform the screen test sequence, replace the P16 instrument cluster.
  2. Drive the vehicle, verify the gauge values match the values on the scan tool.
    • If the values do not match, reprogram the P16 instrument cluster. If the values still do not match, replace the P16 instrument cluster.
  3. If all gauges display the correct value, and the odometer display counts up, replace the K20 engine control module.
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