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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 47 (Instrument Panel System Displays And Gauges) >> Diagnostic Information and Procedures >> DTC P0521, P0522 or P0523: Engine Oil Pressure Sensor >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition - On / Vehicle - In Service Mode
  2. Verify the scan tool parameter: Engine Oil Pressure Sensor=0 kPa (0 PSI)
    • If not the specified state 

      Refer to Circuit/System Testing

    • 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 Sensor=CH-48027  Digital Pressure Gauge
    • If not the specified state 

      Refer to Circuit/System Testing

    • If the specified state 
  6. Verify the scan tool parameter: Engine Oil Pressure Sensor=Engine Oil Pressure - Gauge @ P16 Instrument Cluster
    • If not the specified state 

      Test or replace the component: P16 Instrument Cluster

    • If the specified state 
  7. All OK.
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