DTC P0524; Pcm Engine Oil Pressure Too Low: Notes

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

DETECTION CONDITION & POSSIBLE CAUSE

DTC P0524:00	Engine oil pressure too low
DETECTION CONDITION	The oil pressure switch is on for a continuous 5 s with the following condition met: (engine oil warning light illuminates when 1 s has elapsed) When engine speed is above 650 rpm and engine coolant temperature is 30 °C {86 °F} or less When engine speed is above 1, 500 rpm and engine coolant temperature is 68 °C {154 °F} or less When engine speed is above 2, 500 rpm and engine coolant temperature is 68 °C {154 °F} or more Diagnostic support note This is a continuous monitor (other). The check engine light does not illuminate. FREEZE FRAME DATA (Mode 2) is not available. Snapshot data is available. DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION	Not applicable
POSSIBLE CAUSE	Engine oil leakage Improper engine oil level Oil pressure switch connector or terminals malfunction Short to ground in wiring harness between oil pressure switch terminal A and PCM terminal 1P PCM connector or terminals malfunction Oil pressure switch malfunction Oil pump malfunction PCM malfunction