Any way to set Sync 3 startup volume?

I did a Sync 3 retrofit on my dad’s 2013 F150. It has an APIM from a 2018 F150 and for the most part it has worked well (since we swapped out the counterfeit APIM for a salvage yard unit). It does have 1 very annoying issue, when starting the truck after it has set for a while (like overnight) sometimes the volume is set to a high level. It seems to set itself to 14 most of the time but today when we got in it, it had cranked itself up to 18. Is there a way to set a maximum startup volume? This issue never occurred before the Sync 3 retrofit so I’m assuming it is related.


SYNC Region: NA

Navigation Variant: Nav

Manufacturer Year: Pre MY20

Install Type: Retrofit

Old SYNC Version: 2.1

New SYNC Version: 3.4

Do you have a error message, if so what is it?
No

Update Method: CyanLabs Manual Method

There is not a way to actually set the volume on startup, but that is high. The normal startup volume should be about 6-10 as far as displayed on the screen. This could be an issue with placing Sync 3 into a CGEA 1.2 vehicle, 2013 F-150, and not changing the ACM as well. Go to the ACM asbuilt and change the APIM type to GEN 2. This might be the issue.

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