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I had an issue with my temp sensor once and the car couldn't complete the regen so we took it to our local garage, he ordered a new temp sensor and whilst he was waiting for it to be delivered he stuck some dpf cleaner in it and we took it for a run and the car completed a regen and saturation levels returned to normal. He cancelled the temp sensor and the car has done normal regens since, we will see a dpf full, continue driving message every few months simply because we very rarely take the car for a continuous run at a reasonable speed.
The regen procedure gets peoples head in a spin when a message pops up because they believe it means the car is 10 minutes from imploding lol. The facts are these days there are dpf cleaning solutions for around £5 to £15 and professional dpf removal, cleaning and refit for around £200 which substantially reduces the risk of having to replace these filters. Unfortunately though they are reliant on other sensors to keep them in tip top condition and it's these that are the main culprit when things go wrong.
The regen procedure gets peoples head in a spin when a message pops up because they believe it means the car is 10 minutes from imploding lol. The facts are these days there are dpf cleaning solutions for around £5 to £15 and professional dpf removal, cleaning and refit for around £200 which substantially reduces the risk of having to replace these filters. Unfortunately though they are reliant on other sensors to keep them in tip top condition and it's these that are the main culprit when things go wrong.