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P0521 Diagnostic Trouble Code Discussion for January 2023

Engine Oil Pressure Sensor Performance


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Trouble Ticket Help Requests for DTC P0521
Help Request Posted
2019 Chevrolet Equinox L 1.5L MIL Lamp on VIN: 3GNAXHEV5K
P0521: Engine Oil Pressure Sensor Performance. ... needs replacement. (P0521 triggering due to this also.) P1101 is what I am having trouble with. Upon clearing, P1101 comes back when you start it up within a few seconds. There is a TSB about P1101 that says to check pres...
January 25, 2023