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Cadillac
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2014
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Escalade Base, AWD
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DTC P0521: Engine Oil Pressure (EOP) Sensor (5.3L Engine)
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Diagnostic Fault Information
Diagnostic Fault Information
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.