P0520

Engine Oil Pressure Sensor/Switch Circuit Malfunction

Powertrain Code · High

What does P0520 mean?

The oil pressure sensor or switch circuit has a fault.

System: Oil Pressure

P0520 is a powertrain diagnostic trouble code indicating engine oil pressure sensor/switch circuit malfunction. This code is classified as high severity, which means: address soon — may cause further damage. We have vehicle-specific diagnostic data for 9 models below. Select your vehicle for tailored causes, symptoms, and repair cost estimates.

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.

Vehicle-Specific Guides

See causes, symptoms, and repair costs for P0520 on specific vehicles:

Chevrolet Colorado Chevrolet Equinox Chevrolet Malibu Chevrolet Silverado 1500 Chevrolet Tahoe Chevrolet Traverse Chevrolet Trax GMC Sierra 1500 GMC Terrain