What causes a P1524 code?

P1524 can be triggered by several issues — see the verified probable causes and step-by-step diagnostics shared by mechanics and owners on OBDIY.

Can I drive with a P1524 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with P1524 active.

Follow the step-by-step diagnostic on this page, then read the verified fixes contributed by other Heavy Truck owners — the answer marked "Verified Cause" worked for the original poster.

OBDIY

OBD-II

P1524

Oil system pressure low monitor fault data

What it means

Oil Pressure Out of Range - Low. The ECM has detected that the engine oil pressure is lower than the minimum required for the current engine speed and load.