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Code Enable Criteria

Commanded EGR position zero percent.
Engine speed is less than 5000 RPM.
EGR valve has been commanded to cycle greater than 61 percent 4 times.
Ignition voltage is greater than 11 volts.

DTC sets when EGR position is greater than 4 percent for greater than 20 seconds.

Or,

Commanded EGR position zero percent.
Engine speed is greater than 5000 RPM.
EGR valve has been commanded to cycle greater than 61 percent 4 times.
Ignition voltage is greater than 11 volts.

DTC sets when EGR position is greater than 7.8 percent for greater than 20 seconds.