DTC P0520-00: Oil Pressure Switch Circuit Problem: Notes

DTC P0520:00	Oil pressure switch circuit problem
DETECTION CONDITION	The oil pressure switch is off for a continuous 5 s  even though the engine is stopped. 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	Oil pressure switch connector or terminals malfunction PCM connector or terminals malfunction Open circuit in wiring harness between oil pressure switch terminal A and PCM terminal 1P Oil pressure switch malfunction PCM malfunction