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I have a 2011 Dodge Ram 3500 6.7L Cummins, auto zone said it a code p2459. what is this problem?

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I have a 2011 Dodge Ram 3500 6.7L Cummins, auto zone said it a code p2459. what is this problem?

Vehicle: 2011 Dodge Ram 3500 6.7L Cummins

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The Diesel Particulate Filter (DPf) could be the problem.

P2459 RAM - Diesel Particulate Filter Regeneration Too Frequent
Read more: https://www.autocodes.com/p2459_ram.html

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