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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 310 (Instrument Panel System Displays And Gauges) >> Diagnostic Information and Procedures >> DTC P0521 (5.3L Engine) >> Diagnostic Fault Information

Diagnostic Fault Information

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Circuit Short to Ground High Resistance Open Short to Voltage Signal Performance
Engine Oil Pressure 5-Volts Reference P0522 1 P0522 - P0521
Engine Oil Pressure Sensor Signal P0522 1 P0522 P0523 P0521
Low Reference - 1 P0523 - P0521
1. Engine Oil Pressure Indicator Malfunction.
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