Conditions for Running the DTC
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
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.