Mini Maxx/Truck Not Starting! - Ford Powerstroke Diesel Forum
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post #1 of 29 Old 04-13-2012, 07:40 AM Thread Starter
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Mini Maxx/Truck Not Starting!

I just bought my first Ford....ive been a Chevy guy forever and I need help. Just installed an intake and full exhaust on a 2012...started to tune the truck everything was smooth until it was done. I got a message "starting system fault" in the driver screen...called H&S and they pretty much told me I fried the PCM and need a new one. Any ideas? It gave me two codes it seems like a security lockout or something
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post #2 of 29 Old 04-13-2012, 12:45 PM
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I remember this happening to another member. It was pretty soon after the first release of tunes. H@S work pretty close with the guy to figure it out and help him. Hope you get back running soon.

2011 F250 6.7 Lariat Ultimate FX4 CC Tuxedo Black Tan Bottom
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post #3 of 29 Old 04-13-2012, 02:00 PM
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I remember this too. I would search the forum and see what you can find, and go from there.

[/SIGPIC]2008 F250 Lariat, 8" lift 37x12.5 20 Nittos, Spartan tuned running 275 with an AFE stage 2 and 4" straight pipe. Next up, full EGR and Cooler delete

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post #4 of 29 Old 04-13-2012, 05:56 PM
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Quote:
Originally Posted by njford1 View Post
I just bought my first Ford....ive been a Chevy guy forever and I need help. Just installed an intake and full exhaust on a 2012...started to tune the truck everything was smooth until it was done. I got a message "starting system fault" in the driver screen...called H&S and they pretty much told me I fried the PCM and need a new one. Any ideas? It gave me two codes it seems like a security lockout or something
That's no good. I wonder what happened?

2015 F-250 platinum
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post #5 of 29 Old 04-14-2012, 01:35 AM
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My remote start makes that come up every now and then, but the truck starts fine anyways.

2011 F350,CC,LB,Lariat,4x4,FX4,6.7L
2.5" Leveling kit - H&S Tuned and DPF bye bye
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Waiting to be installed: EGR delete
On order: S&B intake - now 9 weeks and counting
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post #6 of 29 Old 04-14-2012, 05:55 AM
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You got a $60K paper weight now.

2012 F250 CC Lariat 4x4 Tricoat White
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post #7 of 29 Old 04-14-2012, 06:52 AM
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Quote:
Originally Posted by njford1 View Post
I just bought my first Ford....ive been a Chevy guy forever and I need help. Just installed an intake and full exhaust on a 2012...started to tune the truck everything was smooth until it was done. I got a message "starting system fault" in the driver screen...called H&S and they pretty much told me I fried the PCM and need a new one. Any ideas? It gave me two codes it seems like a security lockout or something
Very surprised to hear H&S giving you the brush off like that. I'll be watching this thread very closely as I have yet to order the H&S, but planned on doing so soon.

If frying PCMs is part of the package, I think I'll not be doing that.

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Detroit Truetrac, Icon leveling springs, steering damper mounts, King reservoir shocks and steering damper, Ultra Predator 22x10 and Nitto Terra 325/50R22 (35"s), H&S Minimaxx & Gearhead, aFe 5" SS w/ muffler, Leer XL, LineX, Titan 50gal, Airlift bags and wireless.
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post #8 of 29 Old 04-14-2012, 07:06 AM
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I find it even more strange that he posted that and has yet to follow it up.

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Last edited by LFD132; 04-14-2012 at 09:37 AM.
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post #9 of 29 Old 04-14-2012, 09:20 AM
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Quote:
Originally Posted by njford1 View Post
I just bought my first Ford....ive been a Chevy guy forever and I need help. Just installed an intake and full exhaust on a 2012...started to tune the truck everything was smooth until it was done. I got a message "starting system fault" in the driver screen...called H&S and they pretty much told me I fried the PCM and need a new one. Any ideas? It gave me two codes it seems like a security lockout or something
Yes, this is an issue we have seen a few times before. A few times at a dealer level, and a few times with tuning devices (H&S as well as others). We are trying to get one of these faulty ECMs back from a customer right now so we can diagnose it further. There may be a solution, but we need to have one of the failed units here first to check it out.

The chances of this happening are very very rare. It will always happen the first time you "flash" the truck. The ECU crashes and will no longer allow the truck to start. The odd part is that you can still communicate and flash the truck as many times as you want. This most likely means that the portion of the ECU that fails is outside of the area that tuning companies read/write data from. Just for reference, I dare say we have tuned over 5,000 6.7L Powerstroke trucks. 3 have failed on us. 0.06% is very minimal in the grand scheme.

I believe our techs are working with the OP towards a solution. Because it is a factory flaw, our first suggestion is to see if your dealer will warranty the ECU. That is the fastest way to get the truck back up and running at this point.

Thanks for your patience and understanding, we hope to get one of these ECMs here soon so we can get more info on what is failing!
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post #10 of 29 Old 04-14-2012, 08:53 PM
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1 poster, hope you get it fixed

2011 F250 6.7 4x4 CC Lariat

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