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Home >> Chevrolet >> 2017 >> City Express LS >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays And Gauges >> Diagnostic Information and Procedures >> DTC P0460, P0461, P0462, P0463: Fuel Level Sensor >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON, verify fuel level segments illuminate during Engineering Mode. Refer to Engineering Mode Description and Operation .
    • If the fuel level segments do not illuminate 

      Replace the P16 Instrument Cluster.

    • Go to next step: If the fuel level segments illuminate 
  2. Observe the scan tool Instrument Cluster Fuel Level Sensor parameter. The reading should be 0.5 - 14.0 gal and vary with fuel level.
    • If the reading does not vary with fuel level 

      Refer to Circuit/System Testing in the following below.

    • Go to next step: If the reading varies with fuel level 
  3. All OK.
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