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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 71 (Displays And Gauges) >> Diagnostic Information and Procedures >> DTC P0521, P0522, or P0523 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
5 V Reference P0522 P0522or1 P0523 P0521or1
Signal P0522 P0522or1 P0523 P0521or1
Low Reference - P0523or1 - P0521or1
  1. Low Engine Oil Pressure Indicator = Malfunction