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2021 Mustang GT (base) - Sync 3 Issue

Grandpa1906

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Jan 13, 2024
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Location
Frisco, TX
First Name
Anthony
Vehicle(s)
2021 Roushcharged Mustang GT
When I swapped my Sync 3 unit and took it to my tuner to help with the codes. When we went in to change drive modes, my system went haywire, throwing codes left and right. ABS, Traction Control and more. Has anyone else run into this issue and found a fix.

UPDATE: I can change drive modes, it shows on the dash changing, but it immediately shows, “Drive Mode Selection not available” - now I’m even more lost.

also, the code for drive modes seems too short, it’s missing the last set of 4 digit numbers.

this might have been answered somewhere else but I can’t find it.

Any help would be greatly appreciated.
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