Customer came in with EEC61 displaying on their screen, once we connected with our Diagnostic Link software we were able to see fault code Regen Temperature Out of Range Low SPN 3556 FMI 1.

Don’t go and have your filters baked and cleaned just yet.

Step 1: check your Diesel Doser Valve, which is located behind the turbo outlet. You will need a 14mm and a 12mm wrench

Step 2: remove your diesel doser valve, inspect for soot blockage, clean S-Pipe and use shop air if needed, then reinstall

Step 3: perform a parked regen and monitor he numbers