Sleep mode 15 minutes after parking.

[Twinboat]

Our 2023 Hybrid seem to go into sleep mode everytime we park it. Still under 3 year, 36000 mile coverage but Fird suggested I connect a charger or go for a long drive. Drove it from eastern Connecticut to central NY State, still doing it.
Is this a sign of a failing 12 volt battery ?

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[MaverickMark]

Our 2023 Hybrid seem to go into sleep mode everytime we park it. Still under 3 year, 36000 mile coverage but Fird suggested I connect a charger or go for a long drive. Drove it from eastern Connecticut to central NY State, still doing it.
Is this a sign of a failing 12 volt battery ?

Yes, your battery is probably sulfating. Get a free battery before your three year warranty expires. Extended warranties don't cover it after the 3 years. A lot of people have this problem. Mines a 23 too, and it goes into sleep mode daily. I've had the battery replaced once. You might want to get a jump starter pack and keep it in your truck. I've never had to use mine, but it will keep you from being stranded if the battery fails. I love these trucks other than that issue. Good luck and safe travels.

 

[jimdeg]

My 2023 Maverick hybrid XLT with 43k miles also goes into deep sleep at least once daily, even after longer highway driving for some distance. Months ago, I turned off most of the background monitoring functions in an effort to decrease the battery drain, but it didn't seem to help.

 

[ScottyC]

....Drove it from eastern Connecticut to central NY State, still doing it.

I thought I saw you ..... lol. In Central NY here.

 

[DS_Ohio]

Our 2023 Hybrid seem to go into sleep mode everytime we park it. Still under 3 year, 36000 mile coverage but Fird suggested I connect a charger or go for a long drive. Drove it from eastern Connecticut to central NY State, still doing it.
Is this a sign of a failing 12 volt battery ?

That is a sign for sure. I'm an incredibly handsome man, so instead of a jump box, I just carry a cheap set of jumper cables instead. And you'll definitely want to get the old gal on the charger.

Cuz when Ford says 'drive it longer', they mean the Pan-American Highway kind of longer.

 

[HeyBales]

The Deep Sleep Mode notice you are getting in Ford app could be for 3 reasons.
14 days unstarted not it.
Below 9.5V likely not it.
SOC% below 40% (50% if you missed a BCM update) - most likely. (around 11.5 or 11.8 V, though not exact correlation)

Battery Saver Mode with lights off sooner and sooner on entry/exit would happen at 12.1V or below resting voltage - you should have been seeing that for some time.

So the fact you can go for a long drive, and it drops below 40/50% that fast - yeah, battery is going fast now. Not that it was charging that high anyway on long trip, but still.

Sadly they have to test it at 39% for warranty replacement - unless service writer a nice guy.
If not - they may also want to hold it overnight. Charge it up, wait overnight, test the next day for load and holding the charge.
That's why I'm thinking you may have a BCM update to get, you are at 50%, so still a ways to go.

Get your jumper pack, and charged for the eventual day.
Maybe you can make that day happen more timely - with some radio on doors open just using Accessory mode. System will turn it off itself, perhaps quickly.

Even charging at home isn't going to repair a degraded battery enough - and you want that warranty replacement.
They use AGM now - which will help fo the next few years.

Question - do you tow, or drive during dark often?

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