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Home >> Chevrolet >> 2021 >> Spark LS, Automatic CVT Trans >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Displays And Gauges >> Diagnostic Information and Procedures >> DTC P0521, P0522, or P0523 >> Circuit/System Verification

Circuit/System Verification

  1. Ignition - On / Vehicle - In Service Mode
  2. Verify the scan tool parameter: Engine Oil Pressure = 0 kPa (0 PSI)
    • If not the specified state 

      Refer to: Circuit/System Testing

    • Go to next step: If the specified state 
  3. Verify the engine has the correct oil level and the correct oil pressure before continuing with this diagnostic.

    Displays and Gauges Component Replacement Reference 

  4. Engine Running
  5. Verify the scan tool parameter: Engine Oil Pressure = CH-48027  Digital Pressure Gauge
    • If not the specified state 

      Refer to: Circuit/System Testing

    • Go to next step: If the specified state 
  6. Verify the scan tool parameter: V = Engine Oil Pressure - Gauge @ P16 Instrument Cluster
    • If not the specified state 

      Test or replace the component: P16 Instrument Cluster

    • Go to next step: If the specified state 
  7. All OK.
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