Conditions for Running the DTC

DTC P20EE

• The barometric pressure is greater than 70 kPa (10.2 psi).
• The ambient air and reductant temperatures are greater than -7°C (19.4°F).
• Engine running.
• Vehicle is not in a DPF regeneration.
• DTC P20EE runs when the above conditions are met.

DTC P249D, P249E

• Engine running.
• Vehicle is not in a DPF regeneration.
• DTCs P249D and P249E run when the above conditions are met.