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"ELECTRIC SYSTEM DRAIN SERVICE REQUIRED" error

MRButtler

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Mach-E guys had this issue. I had this pop up twice so I investigated and found out that it could be the Headlights. Basically if they are set to auto they tend to switch themselves to on, remain on and never turn off draining the electrical system. At least that’s what I understood. They have a TSB issued.

https://www.macheforum.com/site/thr...selves-when-vehicle-is-off-–-dtc-b1533.18890/
If that's true, then that explains why some people aren't getting OTA updates. Apparently, the lights need to be switched off.

https://www.f150lightningforum.com/...ta-software-update-released.13570/post-296230

 

TaxmanHog

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I just got this error today, first time ever in 5+ months & 6077 miles of operation.

My lights were off, the switch is always in the auto position, it always resets to this setting during "Key On"

Interestingly the cabin lamps were not illuminating on door open, the control switch in the overhead control was NOT amber as should be if cabin lamps are disabled. Note I did not have my key fob or PAAK phone near the truck, but when I returned with the fob, the welcome lights came on and the cabin lights worked as expected. So, interior lights won't go one with the presence of the FOB or PAAK device????

Last update was 4.1.2 yesterday.
 

G-Zeus

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I just got this error today, first time ever in 5+ months & 6077 miles of operation.

My lights were off, the switch is always in the auto position, it always resets to this setting during "Key On"

Interestingly the cabin lamps were not illuminating on door open, the control switch in the overhead control was NOT amber as should be if cabin lamps are disabled. Note I did not have my key fob or PAAK phone near the truck, but when I returned with the fob, the welcome lights came on and the cabin lights worked as expected. So, interior lights won't go one with the presence of the FOB or PAAK device????

Last update was 4.1.2 yesterday.
Was your truck in “deep sleep” mode? That happens to me when the truck goes into that mode. A bit annoying because you can’t even remote start the vehicle when it does that.
 

TaxmanHog

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Was your truck in “deep sleep” mode? That happens to me when the truck goes into that mode. A bit annoying because you can’t even remote start the vehicle when it does that.
I had parked the truck in the garage only about 30 minutes prior, plugged in for charging to occur next morning, then the alert.
 


TaxmanHog

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Yup happened to me when I left my EVSE plugged into the truck without actually charging(EVSE was set to charge during off peak). I only plug it in before off peak now and no more errors.
This is the same circumstances for my experience today.
 

 
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