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As to the how: those are definitely coding level questions. In a nutshell when the tuning device experiences an interruption during (uploading, flashing) it will corrupt the body control models. Can happen with any delivery device or tuner file. Always ensure your tuning device has the latest...

FYI I’ll wait for the OP to post however BCM flash with Ford fixed his issue…….

OP whoever uploaded a tune corrupted the BCM whether or not it was noticed but this is the exact same problem pay a dealer the $125 diagnostic fee (I know pita) but you will thank yourself. sometimes for unknown reasons the BCM locks the MPH to under 80 uploading/reverting back to stock will...

Negative unfortunately. I’m sure you can google or YouTube how to specifically reset it; also as I recall it was some years ago it was either the BCM or the PMI I believe the s550 has 2 different modules other than the ECM. One of those modules resets the factory condition to allow speeds over...

needed BCM reset at dealer or someone with forescan There was a corruption uploading the tune and the BCM module controls the speed limiter apparently hope this helps

Ca location? Will this fit a non pp ‘19gt?

So we can close this issue out. My sct bdx completely freaked out before the holiday, set off multiple errors communicating via obd2. Would not upload any tunes to the vehicle. Worked with sct this morning. They updated the device as well as a few recovery files they saw we’re corrupted...

Issue fixed. PMI which controls all modules needed to be reset and flashed. This took the limiter off Now if I upload the tune and have the same issue occur, I know for a fact it is the tune. Closed for now but I’ll report back if the tune creates the same issue again. Thanks all and...

Judy you are correct- spoke with sct this morning. I returned to stock prior. I can tune up to 5 vehicles but not at the same time. Unlock only required in the event pcm is flashed with tune on it. I recommend Anthony at marina airport Ford if you ever need service in SoCal. He has gone above...

Yep stock file is back on with 91 pump gas. However I’m being told I’m still going to need an unlock file for the sct bdx unit after the pcm is reflashed??

With the help of zerocool5.0, taking to a dealer tomorrow to see if the reflash pcm fixes the issue. Appreciate everyone’s input I’ll report tomorrow if this fixed the issue.

I don't know how loud the street is but I have the race like the OP and it has bite lets just say that I can't imagine adding headers in CA........how did the install go OP? As it is, I make sure i am in the highest gear possible when passing city/CHP on the A10..........im sure the DB limits...

x 2 on the la mirada station I don't have a tester, nor am I versed in testing stations that have caught my interest: Chevron Fullerton Euclid ave e85 Chevron Garden Grove Valley View Ave e85 76 Anaheim La Palma Ave e85

completed crank sensor relearn- no change I do not have magnaride- 2019 premium base GT

my initial tune did freeze on me as a matter of fact...which I mentioned to both Lund and SCT....PMed you anything specific I need to tell the dealer when I take it in???? draining e85 and taking back to stock obviously thanks!!!

Thanks DickR.....i'll give that a shot today and see if something rattled loose.....

no update or new news> Ive been working non-stop and have not had time to drain the e85 and return to stock...honestly going past 80MPH is not in my agenda, however it is an issue for me overall Joey can you PM me? I want to see what details match up thanks all

Will the deck lid fit a ‘19 GT base?

I’m local in Buena Park Stupid question but do the rods mount to the bumper or the bumper crash bar? Will this fit a 19? Thanks.

appreciate the insight UG looks my option at this point is to await the findings of SCT, and drain the current e85 from my tank, and return to stock. CA dealers are notorious for frowning on aftermarket upgrades (my 2017 kia is still waiting a warranty claim in the shop for a new trans after...