Conditions for Setting the DTC

P0521

• The engine oil pressure is out of its working range.
• The ECM does not detect a change in the engine oil pressure.
• The engine oil pressure is outside of a calculated working range determined by engine speed and temperature.
• One of the above conditions are present for greater than 4 seconds.

P0522

• The ECM detects that the EOP sensor signal circuit is less than 0.1 V.
• The above condition is present for greater than 10 seconds.

P0523

• The ECM detects that the EOP sensor signal circuit is greater than 4.4 V.
• The above condition is present for greater than 10 seconds.