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GKar

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The codes indicate that there may have been some battery cell imbalance(s) (P0B4A:00, P0B4F:00) detected by the BECM and that caused the SOBDMC to set the P1A10:00 DTC. If the codes are cleared and don't return then it was an anomaly likely caused by a low 12V battery issue.

While on that topic, I should note that the last time your car reported in, it said the 12V battery was at 55% SOC. And further the car reports that on the 23rd a DTC was set that indicates that when the demand was made for the high voltage to low voltage (12V) energy transfer, the charge was too low or the power limit prevented it.

So two suggestions were made. The first was to make sure the HV battery is charged back up, and the second is to make sure that the 12V battery terminal connections are clean and tight.
 

GKar

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Thanks. So maybe I don't have the dreaded problem even though I got the Stop Safely notice and the car died. I have not heard that you could have a minor problem with such a Notice. Odd that car was running fine for a few miles before the problem and accessories continued to work after. Absolutley no warning that the 12V battery was too low.
 

Mike G

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Thanks. So maybe I don't have the dreaded problem even though I got the Stop Safely notice and the car died. I have not heard that you could have a minor problem with such a Notice. Odd that car was running fine for a few miles before the problem and accessories continued to work after. Absolutley no warning that the 12V battery was too low.
Does the car run now?
 

Socalsp3

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99% of the DTCs your car has recorded all start with "U". That means your car is experiencing a large number of errors due to problems with the car's network. Most of these errors seem to clear, and then a different module will report a loss of communication on the network the next time an event happens. The error you got yesterday probably cleared this morning right?
Yes it cleared thanks for checking. Should i bring the car in for these network errors?
 


Mike G

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Yes it cleared thanks for checking. Should i bring the car in for these network errors?
You can certainly, but it might be quicker to check the 12v battery terminals yourself to at least ensure that's not the problem before taking your car in and waiting days for them to get around to looking at the problem.
 

GKar

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Does the car run now?
After the first Stop Safely now and waiting 20 minutes, it started to run again. Drove 1/2 mile and parked leaving the car On but accessories off while I got coffee. Came back and it was still running. Drove another half mile and it died again showing Stop Safely now warning. I then got it towed to dealer who can't look at ir for at least two weeks.
 

AtomicInternet

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First time I've had the wipers run during an update, left them on intermittent/auto and they only ran for the ACM update (not PCM).

 

Mike G

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First time I've had the wipers run during an update, left them on intermittent/auto and they only ran for the ACM update (not PCM).

I think they'll run with the BCM update as well.
 

Mike G

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Hi, could someone check my VIN 3FMTK3R70MMA21258 ?

Thanks
Ford Mustang Mach-E Post here if you have an active FDRS account and are willing to look up info for others 3FMTK3R70MMA21258-30-Dec-24


A subset of the powertrain, and a gateway update today.
 

HuntingPudel

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First time I've had the wipers run during an update, left them on intermittent/auto and they only ran for the ACM update (not PCM).

I turned mine off and they still did some courtesy swipes while updating. ??
 

yongskwon

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Got it. We are suppose to be in 50s/60s on Sunday so will give that a try then.
Just gave that a try, but a new issue came up. I got a service light and following error in app, but when I restarted car is disappeared.
Ford Mustang Mach-E Post here if you have an active FDRS account and are willing to look up info for others IMG_4998
 

yongskwon

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Also, another thing I noticed. On reverse camera the lines of when you turn wheels to show which direction doesn’t show.

Ford Mustang Mach-E Post here if you have an active FDRS account and are willing to look up info for others IMG_4999
Sponsored

 
 







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