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Sync Connect Retrofit (in any Ford).

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Old 01-22-2020, 05:31 PM
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Originally Posted by jm061
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.
I appreciate your info. If you don't mind me asking: how do you learn this? Is there a method we can use to learn these things on our own? do you work for a service branch?
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Old 01-22-2020, 05:44 PM
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Could someone send me a link to Forscan 2.4.0? I would love to try to flash firmware on this TCU. JL3T-14G229-AM
I also had no luck finding firmware on the UCDS Forum/site.

Thanks,
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Old 01-22-2020, 06:01 PM
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Originally Posted by gable74
Could someone send me a link to Forscan 2.4.0? I would love to try to flash firmware on this TCU. JL3T-14G229-AM
I also had no luck finding firmware on the UCDS Forum/site.

Thanks,
Pm sent for UCDS
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Old 01-22-2020, 06:07 PM
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Thanks!
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Old 01-22-2020, 06:55 PM
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Originally Posted by mattland
Yes, when I start the vehicle manually, the ignition status changes to CRANK, and so fourth. Still no response from the app though.

Just checking in with you and following your progress, have you gotten any further on this? I want to attempt this on my wifes 2013 explorer, when I scanned the car I only had HSCAN and MSCAN I didn't see the I CAN that you refer to. I was looking into this a little further and have some part numbers im looking into. Apparently a 2012 focus electric had a TCU and then ford did an upgrade to said TCU. Im wondering if these older ones can be what we need to communicate on our older networks.
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Old 01-22-2020, 07:45 PM
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Originally Posted by jamie75
will this work for you


are these before you updated or after?
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Old 01-22-2020, 07:46 PM
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Originally Posted by ad1medina
are these before you updated or after?
Current in my 2016
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Old 01-22-2020, 07:52 PM
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Originally Posted by jamie75
Current in my 2016
thanks, I want to compare that to a 2020 to see what firmware is it on... maybe start a log of what firmware works better, and see if I can make the 2020 work with out a firmware downgrade , now that I have discovered the how to enable the extra setting on the FordPass section on sync 3. All I need is a similar firmware screen shot from a 2020.
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Old 01-22-2020, 10:01 PM
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Originally Posted by ad1medina
thanks, I want to compare that to a 2020 to see what firmware is it on... maybe start a log of what firmware works better, and see if I can make the 2020 work with out a firmware downgrade , now that I have discovered the how to enable the extra setting on the FordPass section on sync 3. All I need is a similar firmware screen shot from a 2020.
This is what Ford shows as being in an early build 2020 Explorer:
F10A*LB5T-14G144-SC
F110*DSLB5T-14G087-AF
F111*LB5T-14G145-SA
F113*LB5T-14G087-SC
F16B*14G643
F188*LB5T-14G139-SC
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Old 01-22-2020, 10:02 PM
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Originally Posted by Airborne_Ape
I appreciate your info. If you don't mind me asking: how do you learn this? Is there a method we can use to learn these things on our own? do you work for a service branch?
Trial and error testing, lots of research along with some collaboration with others. I operate my own website related to this sort of stuff.
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