PLEASE HELP! 2015 Deleted and throwing codes/reducing power - Ford Powerstroke Diesel Forum
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post #1 of 12 Old 11-16-2015, 08:40 AM Thread Starter
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Exclamation PLEASE HELP! 2015 Deleted and throwing codes/reducing power

Hey all, my buddy has a 2015 dually F-350 that we deleted this weekend. I'd recommended he call Mike at NoLimit who set me up with my kit, but he had a brain fart and ended up calling another shop (thinking it was Mike). The parts seemed legit (S&B intake, flow-pro down-pipe back exhaust, bully-dog tuner) and the price was in the ball park so he went with it.

Anyway, we did the delete this weekend and all seemed to go well. The tuner programmed without issue (definitely indicating a DPF delete tune) and the truck started and idled normally. Drove around the block (less than a mile) and it seemed fine. Went for a longer drive after that and the truck threw a code and indicated "reducing engine power". Pulled the code with the tuner (looks and acts much like my Minimax). Code was P259F which seems to indicate an over-boost condition. The truck/tuner was reporting 30-31psi under full load (seems a bit high for my 2012, but not sure about a 2015). We cleared the code and drove home.

Later that evening we went for another ride, and the truck threw the code 3-4 times... kind of a scary prospect to be on the freeway and suddenly having no power. We removed the tune, and re-flashed it and it got us home... thought that might have fixed it, but it's still doing it. It doesn't seem to be related to full throttle either. When it happened 3-4 times on the highway he was totally babying it just trying to get off the freeway and it would still throw the code.

Searching seems to indicate this is a fairly common problem with the 2015's, but he's had his for almost a year and it's been totally fine. Seems like WAY too big a coincidence to suddenly act up within minutes of doing the delete.

Anybody have any experience with this? Any thoughts on a fix? He said that he was told to not attempt to update the tune on the BullyDog tuner either since they have some sort of system to detect if you're in the USA.

He's pretty desperate since we're supposed to tow our trailers out to Glamis this coming weekend and he doesn't feel like he can trust the truck right now.

Appreciate any thoughts or help!

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post #2 of 12 Old 11-16-2015, 08:57 AM
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Sure sounds to me like the tuner isn't compatible...

The H&S tuners for example are for the 11-14 trucks and won't play nice with a 15+. That's probably why he is getting an over boost code. The 11-14 turbos are limited to something like 27psi or they tend to grenade. The 15 turbo is good for well past that lol.

Might be worth sending the tuner back and calling Mike...

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post #3 of 12 Old 11-16-2015, 09:09 AM Thread Starter
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Due to the changes in the 2015 vs. the 2014, I'd think a 2014 tune wouldn't load/run at all in a 2015 truck. We did think it was a little odd though that when we selected the vehicle for tune, it identified as a 2013-2015 Ford 6.7L.

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post #4 of 12 Old 11-16-2015, 09:41 AM
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Quote:
Originally Posted by EskimoPie View Post
Due to the changes in the 2015 vs. the 2014, I'd think a 2014 tune wouldn't load/run at all in a 2015 truck. We did think it was a little odd though that when we selected the vehicle for tune, it identified as a 2013-2015 Ford 6.7L.
Sound like a wrong tune. What date build is on the door sticker? Mike will definitely be able to help.

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Deleted, running PIP tune
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post #5 of 12 Old 11-16-2015, 09:41 AM
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Oh man ... Bummer. Give me a call I'll see if I can help you sort it out.
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post #6 of 12 Old 11-16-2015, 10:11 AM
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after he calls the right No Limit... tell him to sell his truck cause he is making us look bad.

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So says the internet... ...and so it shall be.
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OK, thanks for the info. To show my ignorance, what is the problem with 3 nipples...
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post #7 of 12 Old 11-16-2015, 10:18 AM Thread Starter
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after he calls the right No Limit... tell him to sell his truck cause he is making us look bad.
Cold man! Ice cold! (But funny! )
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post #8 of 12 Old 11-16-2015, 10:47 AM
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I have a buddy that also tried the bully dog in Canada and had the same overboost codes thrown over and over. He got fed up and traded the tuner in on a sct. This was on a 15 as well.

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post #9 of 12 Old 11-16-2015, 10:50 AM Thread Starter
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Well as usual, Mike came to the rescue. He's expediting him an SCT4 that should arrive ASAP. We'll remove the Bullydog flash and my buddy will send that back to whatever fly-by-night place he got it from and we'll be trucking down Interstate 10 towards the dunes on Friday as planned. Hopefully the SCT4 really does solve the problem though and he doesn't actually have an issue with his turbo!
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post #10 of 12 Old 11-16-2015, 10:52 AM Thread Starter
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Quote:
Originally Posted by cappa View Post
I have a buddy that also tried the bully dog in Canada and had the same overboost codes thrown over and over. He got fed up and traded the tuner in on a sct. This was on a 15 as well.
Well that's very good to hear that hopefully it's an issue isolated to the bullydog tune.
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