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Home >> Cadillac >> 2007 >> XLR Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays And Gauges >> Diagnostic Information and Procedures >> DTC P0521 >> Diagnostic Fault Information

Diagnostic Fault Information

Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

DTC P0521

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Engine Oil Pressure Sensor 5-Volt Reference Circuit P0522 P0522 - P0521
Engine Oil Pressure Sensor Signal Circuit P0522 P0522 P0523 P0521
Low Reference - P0523 - P0521
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