P0521
Engine Oil Pressure Sensor/Switch Range/Performance
Powertrain Code · High
What does P0521 mean?
The oil pressure sensor readings are outside expected parameters.
System: Oil Pressure
P0521 is a powertrain diagnostic trouble code indicating engine oil pressure sensor/switch range/performance. This code is classified as high severity, which means: address soon — may cause further damage.
Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your vehicle.
