Will resetting the PCM wipe out my H&S Mini Maxx? New junction box, new problems. - Ford Powerstroke Diesel Forum
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Old 11-13-2013, 09:33 AM
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Will resetting the PCM wipe out my H&S Mini Maxx? New junction box, new problems.

It all started with the locks not working whether I used the buttons, the remote, or the key pad, so I took it to ford and they put in a new smart junction box. That fixed the locks but opened up a new can of worms. The blinkers now flash a 1000 mph but the flashers are normal, the interior dome lights flash on and off continuously if the key is on or truck is running, and when using the remote to lock/unlock the truck the lights do not turn on like they should. So now ford is saying they need to reset the PCM and my question is will that wipe out the chip if I don't return it to stock for the reset? Its not a problem to unhook the chip but its at ford and I'm at work.

It hasn't thrown any codes.
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Old 11-17-2013, 09:35 AM
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I am getting increasingly tired of dealers not having a ****ing clue anymore. It seems to get worse and worse.

If they just smashed a module in it without exhaling and inhaling the data from the old module, they will need to force your asbuilt data into it, and then configure the options in the module under "Module Reprogramming" in IDS. There is likely a module configuration error code in the GEM/SJB at present, causing the lights and **** to go all wacky. Dinking with the PCM is not going to fix this issue, only properly programming the GEM/SJB will.

Not a shot at you, sled - I find it very disappointing when dealers **** up basic things such as this, and then offer the customer the incorrect solution.

You may want to flip your truck back to stock anyways - since it doesn't appear what these guys don't know what they're doing.
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Old 11-17-2013, 10:52 AM
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It's just like when my 6.0 was at the dealer because my brother-in-law filled up on water and I actually had to argue each day that my truck was in the shop that the over voltage code for my FICM was friggin NOT because it was shorted out and needed replacing but was because it was an aftermarket FICM that was set to run at 58 volts. They dealer kept saying that's not possible and my FICM needed replacing. I had to email them a link to BPD's site before they would believe me and shut the hell up!


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Old 11-17-2013, 03:24 PM
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Yeah I agree with both you guys! It was bs, they had the truck for 2 full days and reset the PCM and tested this and tested that. Well come to find out when they put the new smart junction box on, they didn't do something right. So another "new" junction box and it seems to be good now, dunno if thats really what they did or not.

The Mini Maxx is fine, I had them unhook it.

Every Ford I've owned starts having electrical issues around 100,000 miles, I'm at 96,000 at
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