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Home >> Chevrolet >> 2024 >> Trax LS >> 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. Verify correct engine oil level and condition.
  2. Ignition ON.
  3. If equipped with a physical indicator, verify the engine oil pressure indicator turns on and off when commanding the All Indicators ON and OFF with a scan tool.
    • If the engine oil pressure indicator does not turn on and off. 

      Replace the P16 Instrument Cluster.

    • Go to next step: If the engine oil pressure indicator turns on and off 
  4. Verify the scan tool Engine Oil Pressure Sensor parameter is 0 psi (0 kPa).
    • If not 0 psi (0 kPa) 

      Refer to Circuit/System Testing.

    • Go to next step: If 0 psi (0 kPa) 
  5. Engine running.
  6. Verify actual engine oil pressure is within specified range. Refer to Oil Pressure Diagnosis and Testing  in Displays and Gauges Component Replacement Reference .
  7. Verify the scan tool Engine Oil Pressure parameter is within specified range.
    • If not within specified range 

      Refer to Circuit/System Testing.

    • Go to next step: If within specified range 
  8. Verify the engine oil pressure displayed on Instrument Cluster is within specified range.
    • If not within specified range 

      Test or replace the P16 Instrument Cluster.

    • Go to next step: If within specified range 
  9. All OK.
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