Conditions for Setting the DTC: P0404

The difference between the EGR Position Sensor and the desired EGR Position is more than 15 percent for more than 34 seconds.

P0405

• The EGR position sensor is less than 0.11 volts for more than 5 seconds.
• The above condition is met for more than 20 seconds.

P0406 

The EGR position sensor voltage is more than 4.77 volts for more than 18 seconds.

P042E

• The EGR position sensor is 0.4 volt more than the EGR Learned Minimum Position when the Desired EGR Position is commanded to 0 percent for 24 seconds.
• The EGR position sensor is more than 30 percent and is steady for 5 seconds after a test failure and before the next test will be run.
• The above conditions are met 4 times.