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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 P0520 or P0524: Engine Oil Pressure >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify the scan tool Engine Oil Pressure Switch parameter is 0 psi (0 kPa).
    • If not 0 psi (0 kPa) 

      Refer to Circuit/System Testing in the following below.

    • Go to next step: If 0 psi (0 kPa) 
  3. Engine running.
  4. Verify actual engine oil pressure is within specified range. Refer to Oil Pressure Diagnosis and Testing .
  5. Verify the scan tool Engine Oil Pressure parameter is within specified range.
    • If not within specified range 

      Refer to Circuit/System Testing in the following below.

    • Go to next step: If within specified range 
  6. Verify the engine oil pressure displayed on the P16 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 
  7. All OK.
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