"ELECTRIC SYSTEM DRAIN SERVICE REQUIRED" error

[The Weatherman]

With PPOB being active, the truck is in a running state, therefore the DC/DC inverter to replenish the 12v LVB should operate as needed.

I think the key word here is ‘should’.

I just spent the last 3hours either driving or setting with my truck running and the moment I pulled back in the garage and shut off the truck I got the dreaded Deep Sleep / you have been disconnected message.

I had periodically over the past several weeks been receiving the - You have a Vampire onboard and if not you should schedule an appointment for service.
( My message interpretation.)

This has become Very disheartening!

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[G-Zeus]

I just spent the last 3hours either driving or setting with my truck running and the moment I pulled back in the garage and shut off the truck I got the dreaded Deep Sleep / you have been disconnected message.

I had periodically over the past several weeks been receiving the - You have a Vampire onboard and if not you should schedule an appointment for service.
( My message interpretation.)

This has become Very disheartening!

If you keep getting the vampire onboard message, PM Ford support. They monitor this forum and are very helpful to coordinate service between engineering and the dealer. If you just go to the dealer, good luck

 

[Simpso57]

Just got this. Any updates on how to address this?

 

[GoodSam]

Just got this. Any updates on how to address this?

What is your build date on the driver's door sticker? what year/model/version truck are you in? Has the 12Vdc battery monitoring sensor been updated, re: CSP 23B70, attached to Neg terminal? That one maintains the Voltage of the LV battery.

Otherwise, look back in this thread and note that @G-Zeus 's Lariat had a seat module replaced, but lots of possibilities.

If you keep getting the vampire onboard message, PM Ford support. They monitor this forum and are very helpful to coordinate service between engineering and the dealer. If you just go to the dealer, good luck

Do you have an OBD2 scanner with the CarScanner app on your smartphone that can look for a trouble code? Hopefully you have a competent dealer that can go farther on this.

 

[Ford Motor Company]

Just got this. Any updates on how to address this?

Good morning, Rob! I would be glad to help you out with this error drain service message should you need further assistance. Just shoot us a PM with your VIN and dealer name/location, and I'll get right on it. To send a private message, just click on our username and select "Start Conversation". Thank you!

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