Which sensors tell ECM to start regen, CM2250

[Rawze]

(07-20-2016 )JMBT Wrote:  Hello to all! I am a new member and this is my first post. I have a 2012 Volvo with an ISX15 CM2250. Through the grace of Rawze,(Thank you, thank you, thank you) and his you tube videos, I have been able to stay out of the shop for 540,000 miles now.
Would love to delete....but i am in the communist state all the time.

Anyway, just a quick question for today: Can anyone tell me which sensors are responsible for telling the ECM to start a regen? I know the DPF Delta P, but are any others involved, or allowed to signal the start?
Thanks in advance.

The ECM does math to determine a lot of it. It assumes the soot build-up according to multiple sensor feedback and how the engine is running (estimated soot production) too.

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