Conditions for Setting the DTC

P0521

• The ECM does not detect a change in the engine oil pressure of at least 34.5 kPa (5.0 psi).
• The above condition is present over a predetermined variance of engine speed.

P0522

• The ECM detects that the EOP sensor signal circuit is less than 0.2 volt.
• The above condition is present for greater than 10 seconds.

P0523

• The ECM detects that the EOP sensor signal circuit is greater than 4.8 volts.
• The above condition is present for greater than 10 seconds.