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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 187 (Instrument Panel System Displays & Gages) >> Diagnostic Information and Procedures >> Engine Oil Pressure Indicator Malfunction >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground High Resistance Open Short to Voltage Signal Performance
Engine Oil Pressure 5-Volt Reference P0522 1 P0522 P0523 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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