My Elm 327 and Forscan combination has previously been able to clear the odd DTC successfully.
Now i have a P2459 dtc but cannot clear it.
Even if the fault is still present, I would expect the code to be cleared when the engine is off and possibly reappear once the engine runs.
The code relates to the DPF and I have taken the car for a long run on the motorway at 3000 rpm or higher for about 45 mins followed by lower speed higher gear to allow things to cool down - also known as a dynamic regeneration.
How can I get the DTC to clear please?
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