MTBF150
Member
- First Name
- RRH
- Joined
- Jan 21, 2023
- Threads
- 1
- Messages
- 5
- Reaction score
- 0
- Location
- Hood River, Oregon
- Vehicles
- 2023 F150 Lightning
- Thread starter
- #1
So it begins... I've noticed that every-time I unlock the door the speakers pop(just once, sometimes twice). It seems to happen at the same time as the Sync 4 screens turn on. I've tried removing fuse 28 and putting it back in, and charging the main battery. I have Sync 4 - 22095, Revision: 421 on a 21' lariat 502a with 10K. Is this normal? and does anyone have a solution? The system sounds great, but I'm kind of wishing I didn't get the upgraded system.
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