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Phantom battery drain

BilldD

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First Name
Bill
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Jul 4, 2021
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Location
GA
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2021 F150 Hybrid
I had the truck less than two days and it went dead. 11 low voltage codes and the dealer says the battery is ok. They reset the codes and 5 days later the check engine light came on again. It goes back on July 6 to get checked. I am not happy!
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charliecbp

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Charlie
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Oct 19, 2020
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Location
Key West, Florida
Vehicles
2021 F 150 Limited PowerBoost
I had the truck less than two days and it went dead. 11 low voltage codes and the dealer says the battery is ok. They reset the codes and 5 days later the check engine light came on again. It goes back on July 6 to get checked. I am not happy!
My truck was so dead that it couldn't be jump started, I had a battery in my shop that would fit so I swapped batteries and drove it to the dealer.
Dealer had it for 1 day and when I got it back They gave me a copy of "TSB21-2097 Discharged Battery/no Crank," they reprogrammed the gateway module and I haven't had a problem since..
The reprogramming of the module by the dealer shows up as an OTA on the fordpass app
 

Dan M.

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Dan
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Fayetteville NC
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2021 KR SQ 4X4 PB
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Retired Army
Does anyone know if they fixed the problem with zone lighting draining the battery?
 

jeffcrum

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Jeff
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Lake Saint Louis, MO
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2021 F-150 XLT 302A Powerboost 7.2kw Inverter
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Computer programmer
It is hard to tell since they don't give any real words with the update.
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