If it’s the dpf light then yes. When it’s on (and only when it’s on) drive for at least 20 mins at 2000 rpm (even if the light goes off before the 20 mins is up)Spud wrote: ↑Sun Nov 12, 2017 2:14 pmHow right you were Paul, out on a run today and a yellow sign came up Engine Control fault, Consult dealer, Driving permitted, I am going to assume this is connected to the DPF ?
You also need to have a decent level of fuel for the procedure to work. The only thing it won’t tell you is the current soot load and whether or not you’ve missed a regeneration cycle previously.