Trying to update Sync 3-ERR12

The database says 4U5T-14G371-CDE is not a 2020+ APIM but there are a TON for sale from China with this part number. Every search I do on it says it is a 2020+ model.

i am going to throw a hail mary and see if i can downgrade and make the APIM rwdata clear unless you have something else to offer? or do you believe my apim is toast

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Well based on what I see it cant hurt to try. At this point the worse that could happen is it would work.

You VIN indicates this is a Sync 3 retrofit. You orginal hardware was Sync 1.

7D0
F110>DSE1BT-14D212-AJ
F111>E1BT-14F130-AD
F113>FR3T-14D212-RB
F141>EX962267
F188>E1BT-14D205-AJ
F1D0>35E706B42600

1fm5k7b89kga37212.ab (24.8 KB)

Yes

Yes i mentioned it was a reteofit in the original post. Nothing hqs worked so replacement here i come