P2463 Diesel Particulate Filter Restriction Soot Accumulation. P2463 chevrolet description the diesel particulate filter dpf is monitored for conditions where it may be overloaded. In my encounters with a stored code p2463 the powertrain control module pcm has detected a restriction due to soot accumulation in the diesel particulate filter dpf system.
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The monitor compares the calculated restriction of the dpf to two thresholds. By exceeding the first threshold for a sufficient period of time a wrench light will be illuminated. By exceeding the second threshold for a sufficient period of time a wrench light and a mil will be illuminated and engine output will be limited and egr is disabled.
What does code p2463 mean.
Note that the amount of soot that constitutes an excessive load varies between manufacturers and applications on the one hand and that the. The injection of def fluid into the exhaust stream brings diesel particulate filter dpf up to temperature. Because dpf systems are designed to remove ninety percent of carbon particles soot from diesel engine exhaust soot accumulation can sometimes lead to dpf restriction. By exceeding the first threshold for a sufficient period of time a wrench light will be illuminated.
