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Sync Connect Retrofit (in any Ford).

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Old 01-21-2020, 10:56 PM
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Originally Posted by ad1medina
I just learned the the new 2020 vehicles all the F-series’s and explorers and expedition, they all have there TCUs on HS4 can bus, I am working with someone to get a 2020 TCU and see if it would work on HS3 my main goal is to get the extra settings tab, once I get the TCU I will run new wires from APIM and try it, but before I will try to make it work on HS3 to the benefit of all
I’m drawing a blank on how to successfully get it to add a vehicle to FordPass and link it so the remote features work. But I’m getting this message

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Old 01-21-2020, 11:03 PM
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Originally Posted by ad1medina
I just learned the the new 2020 vehicles all the F-series’s and explorers and expedition, they all have there TCUs on HS4 can bus, I am working with someone to get a 2020 TCU and see if it would work on HS3 my main goal is to get the extra settings tab, once I get the TCU I will run new wires from APIM and try it, but before I will try to make it work on HS3 to the benefit of all
The 2019 "K" series TCU's also operated on HS4. Downgrading it to firmware of that of a 2018 "J" got it to work properly on HS3.

The 2020 "L" series TCU's also operate on HS4 but have much more functionality including having a microphone, being tied into the vehicle speakers, and may have battery backup. I haven't looked too much into it but thinking has to do with 911 assist. I don't know if downgrading the firmware the "J" will work to get them to function on HS3 or if its even a good idea considering the added complexity of the features they have. Only way to know is to test.
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Old 01-21-2020, 11:15 PM
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I know the 2020 Explorer tcu I have is communicating (at least somewhat) on HS3. However it has a gazillion more lines of data than anything I’ve found so far.
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Old 01-21-2020, 11:19 PM
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Originally Posted by Cmrtopher
I know the 2020 Explorer tcu I have is communicating (at least somewhat) on HS3. However it has a gazillion more lines of data than anything I’ve found so far.
Same behavior as the he 19 "K" series had. Wouldn't properly work until the firmware was downgraded to "J" series.
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Old 01-21-2020, 11:35 PM
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Originally Posted by Cmrtopher
I know the 2020 Explorer tcu I have is communicating (at least somewhat) on HS3. However it has a gazillion more lines of data than anything I’ve found so far.
do you have FORScan that can flash? Before you flash can you post a screen shot of the firmware that it has currently, I am doing some test that require the extra lines, or if you want to sell it to me or let me barrow it, lol
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Old 01-22-2020, 12:17 AM
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Originally Posted by ad1medina
do you have FORScan that can flash? Before you flash can you post a screen shot of the firmware that it has currently, I am doing some test that require the extra lines, or if you want to sell it to me or let me barrow it, lol
Forscan flash of TCU showed about 12 hours for me
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Old 01-22-2020, 01:06 AM
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Originally Posted by robtoledo23
Forscan flash of TCU showed about 12 hours for me
what firmware you used? I am looking for the specific file for 2020
i will be using an original vcm 2 is a lot faster I can flash an apim in like 2 min.
Last edited by ad1medina; 01-22-2020 at 01:10 AM. Reason: Gramar
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Old 01-22-2020, 09:24 AM
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Originally Posted by ad1medina
what firmware you used? I am looking for the specific file for 2020
i will be using an original vcm 2 is a lot faster I can flash an apim in like 2 min.
The TCU will take longer than 2 minutes, I can almost guarantee that. One of the firmware files needed is ~40-45 MB alone. Takes me 45-50 minutes on average to flash mine with UCDS.
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Old 01-22-2020, 10:12 AM
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I used UCDS to update mine and it was about 10 mins or so if I recall
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Old 01-22-2020, 10:27 AM
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Originally Posted by jamie75
I used UCDS to update mine and it was about 10 mins or so if I recall
what file you had before the update? I can download it just need a good starting point
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