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P244B Diagnostic Trouble Code Discussion for August 2019

Diesel Particulate Filter Differential Pressure Too High

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Trouble Ticket Help Requests for DTC P244B
Help Request Posted
2009 GMC Sierra 3500 HD SLT 6.6L lack of power VIN: 1GTJK93699
P244B: DPF differential pressure too high. ... Performed manual regen, vehicle came back 1,00 or so miles later w/ p0101, p0299, p244b, p2463. Tested MAF-passed. DPF soot mass 90 grams.Performed manual regen, soot mass at 1.0 gram. Released to customer. Came back ano...
August 06, 2019