Mini maxx error code - Ford Powerstroke Diesel Forum

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post #1 of 4 Old 12-05-2010, 06:16 AM Thread Starter
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Mini maxx error code

I am getting a hardware not recognized code 8U20ALC. Anyone know what it is? Wont let me install any tunes.

2008 F 450 King Ranch
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post #2 of 4 Old 12-05-2010, 10:00 AM
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You will have to wait till Monday to call H&S. They can have it fixed in the time it takes to send you an email. I had the same situation. It's the current program in your truck and the Mini does not recognize it. Hope you did not remove the dpf already. Here is a thread I started about my Mini install

H&S Mini install

2008 FX4 SC SB 6 Speed 3:73LS, Transflow, H&S Mini Maxx, KEM Tunes, S&B Intake

Last edited by pyro2nite; 12-05-2010 at 10:08 AM.
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post #3 of 4 Old 12-05-2010, 10:32 AM Thread Starter
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Yeah had the whole exhaust off and installed a 5" pro flow kit. Just had to put the stock stuff back on since I have to leave on a trip with it in a little while. Oh well at least I am getting practice changing the exhaust.

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post #4 of 4 Old 12-05-2010, 10:50 AM
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Once you get the mini tunes installed you will like it. For now you can monitor your engine with the Mini. Run the pyro1 and pyro2. Check the temps when it goes into regen..................

2008 FX4 SC SB 6 Speed 3:73LS, Transflow, H&S Mini Maxx, KEM Tunes, S&B Intake
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