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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 985 (Instrument Panel System Displays & Gages) >> Diagnostic Information and Procedures >> Engine Oil Pressure Indicator Malfunction >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. 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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