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Did you do a BMS reset?

Replaced my '21 PB OEM with an Autozone Duralast Platinum H7 after I failed some OTAs. That was a year ago and working fine. The dealer battery tests are useless in this case. Worth skipping the aggravation to just swap on your own dime and have peace of mind.

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Might be a long shot but double check the fuses are seated properly both in the under hood and passenger compartment. My ‘21 had at least 50% of the fuses barely seated. Also double check the SOC to make sure you don’t have a low voltage condition. Low SOC shouldn’t happen on a new vehicle...

At that time of the morning the vehicle is probably colder than after you warm it up with the engine. Don't know if that would affect anything. The only other things that come to mind are the ever-present battery issues plaguing the F-150s. I replaced the battery in my 21 PB about 3 months...

Assume you mean the speaker in the driver's door. Things expand when heated and different materials expand different amounts. I suppose it's possible that differential expansion could cause a connection to uncouple. Does hitting bumps cause it to flicker on and off? Really the only way to...

While it’s a good idea to replace with an H7..It does not change the potential issue of battery drain. It will just take a bit longer to manifest. These trucks need to be driven a fair amount to sufficiently charge the battery. I drive mine about as much as you do so I keep mine on the Genius...

I changed mine for an Autozone H7 Platinum. The PB will not accept an H8 do to the generation equipment in the way. Here’s my battery tender setup so I don’t have to deal with running power cords or have the hood open to attach. Added a NOCO Genius 10 charger permanent battery connect. I hate...

Make sure you do a BMS reset to let the Battery Management System know it has to learn the replacement.

Same here on the Duralast. Truck ran fine but failed to apply the OTA until I changed batteries.

Also you might try resetting the fuses both in the cabin and under the hood. I found that most of mine were very loose and not pushed in as they should have been. I can imagine that a few good bumps might dislodge some of them.

Most of my fuses were not properly seated. Didn't have any issues so log this under preventative maintenance.