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I have noticed it's been in regen frequently lately. Last time the lights came on, took about 3 days then they went off. As far as I can tell the truck hasn't had a programmer on it. I know the ecm was replaced a couple of years ago under warranty. Maybe it's having issues again too. ?

Called a couple dealers, seems they have only a few diesel mechanics that rotate between dealerships. Found a couple of diesel performance shops, may take it down and see what they say.

The dealer has seen them. They keep telling me its the DPF that needs replacing. Typical *******, can't trust them. The first time I took it in with those codes they told me I was running the truck without DEF. I told him if he could show me where the DEF goes on a '12 I would. He had no clue...

That would be nice if someone did that.

Hey Wayne, The codes I have seen are: P-21B3; P-0580; P-0606. The truck doesn't use oil, similar to my 01 that I had. I saw on here for the 12's to change the crackcase filter more often. I 've been changing it when I change oil. As far as the turbo, I have no idea. It seems to be running...

Hey Bob, I bought the truck last year with 74K on it. 2 days after leaving the lot the check engine light came on. Took it back into them, said the EGR systems needed to be cleaned, so had them do it. Other than that the truck has been running fine. It does seem like the light comes on about...

Hi Wayne, I saw it on the Bully Dog website, but the link doesn’t work. So cant get any info from there. Found it on Jegs, says its emission compliant, and can pressure wash it out. I like what I see, specially the price. Good to know it works on the Fords. Would imagine it would work for The...

Hello all, I have a 2012 2500 with 98k miles. My DPF is clogged and dealer says it needs to be replaced. Saw that Bully Dog has a DPF filter for the 12's. Does anyone have one, or anyone have info on whether it works or not? I live in the Denver area, and can't do the EGR/DPF delete. Thanks!

Hi All, I have a 2012 2500, 87k miles, no mods. I bought it used in Feb of this year with 69K miles. I drive about 35 highway mile to work each day. After buying it, it threw codes to clean the EGR. The dealer cleaned it 3 months ago. Since then, the MIL light has come on 3 times, then go out a...

Thakns for the info. Am new to Colorado , so don't know of any shops here.

Thanks for the info Bob.

Hello All, Please excuse my ignorance......LOL. Just bought a 2012 2500, 74k miles this last Sat. Have had a 2004 previously. The Perform Service message came on to clean the EGR system. When I test drove it on Friday it was fine. Supposed to leave on a 1200 mile trip in 3 days, and won't be...

Hello all, just moved to Pearland, TX. Needing to find a local repair shop. Looking for a transmission place as well. Getting ready to start adding some mods, and just need to find someone who does good work. I have/will have the parts, just need to find someone to put a few on. Really don't...

I hear ya there. I put on the same MBRP you did. Did wonders for my truck. Think I am going to try what RKlassen did.

Thanks for the reply. I will have to check with some shops around here and see if any will do that. I really don't want to put a Cat on, getting too good a mileage to make any changes.

Hello all, I bought a used 01 24v back in 05. 2 years ago I put the MBRP turbo back system on it. For the last two years I have not had any trouble getting my annual inspection here in TX. This year, they told me I had to have a Cat, she said she even called the Dodge house and they told her it...