Powertrain Malfunction/ Reduced Power

[TaxmanHog]

New owner of used 2022 Lightning Platinum and new member to this forum although I have been incredibly impressed with the knowledge on this site after following discussions.

'Welcome to the forum, I look forward to your trucking being fixed quickly and hearing what part(s) were replaced to resolve the situation.

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[tedshred]

Hey there, bought a 23 xlt er last April and have loved the truck overall/so far. Have put 27,000 miles on since. Two days ago the orange wrench showed up with powertrain malfunction, service soon. Call local dealer/shop where it was purchased, can't see it until April 6, then probably at least another month for parts(just guessing by reading all threads I could find)
No loaners. I called the 1-800 on ford pass to open up a claim and ask about rental reimbursement. They said yes, but has anyone on here been through this, I'm looking at potentially 3 months without my truck. How fast/slow is the reimbursement process, and now my faith in Ford is out the window.
I live in Montana, everything tech moves slow out here. Also, shop guy I spoke with told me to go ahead and keep driving until he can get me in next month. Noticed this morning that cabin heater does not work. Without the seat heaters It would be too cold inside to drive it. Any info would be greatly appreciated
Thanks

Just went through this. On Jan 17 truck threw the same codes. Dealer took it in on Jan 28. I rented a car in the time in between. Keep the receipt
They diagnosed the problem on Jan 30 and gave me a loaner car , returned the rental and gave them the receipt
Didn’t get the truck back till March 7 ! Was two bad battery modules.
hopefully your repair is quicker but they the dealer was saying there was an issue getting the battery modules
Dealer submitted my rental receipt and now I am awaiting that to get paid
Dealer was really great Hooked me up with a Mach E GT as a loaner. And kept me in the loop as much as possible

 

[Yammy5]

Just went through this. On Jan 17 truck threw the same codes. Dealer took it in on Jan 28. I rented a car in the time in between. Keep the receipt
They diagnosed the problem on Jan 30 and gave me a loaner car , returned the rental and gave them the receipt
Didn’t get the truck back till March 7 ! Was two bad battery modules.
hopefully your repair is quicker but they the dealer was saying there was an issue getting the battery modules
Dealer submitted my rental receipt and now I am awaiting that to get paid
Dealer was really great Hooked me up with a Mach E GT as a loaner. And kept me in the loop as much as possible

Well at least you got a dealer that was able to help with the rental and was able to diagnose the problem. Maybe it's different in Canada but we aren't getting any loaner or rental and they are estimating a week just to try and diagnose the source of the powertrain malfunction code. They replaced the 12V under warranty and ran some tests today but state that it's not the HVB causing the problem and will need to run a lot more tests to try and figure it out. They say they haven't seen anything quite like this before. Looks like this could be a while and no rental support.

 

[Yammy5]

Well took mine in for the fourth time for same fault…

they finally called today and said they found issue and have to replace electrical item under frunk that regulates power to the high voltage batteries. Major job so they say…

ANy updates you can share? Actually, if you have any further details as to the what the exact issue is I would really like to share this with the technician that is currently diagnosing my problem. Thanks!

 

[Tedmister2]

Sorry to hear, hope yours is not as hard as they say. Thanks for the info, please update when you know.
Thanks a bunch,
John

Has your trouble returned or do you still have heat?

 

[Cadence]

So, the wrench of death(powertrain malfunction) went away for a few days, but came back yesterday/today.
No cabin heat, storm blowing in today. Ugh.

 

[Tedmister2]

So, the wrench of death(powertrain malfunction) went away for a few days, but came back yesterday/today.
No cabin heat, storm blowing in today. Ugh.

Was your coolant level full?

 

[Cadence]

No, just a little in the tank. I put a little in to the minimum mark.
Didn't fix anything. Made it to work at least.

 

[Tedmister2]

No, just a little in the tank. I put a little in to the minimum mark.
Didn't fix anything. Made it to work at least.

I would definitely fill it up to the top and then watch it every other day and keep filling it up if it has air trapped anywhere. I would also delete your trouble code if you can read it and see if that changes anything see what the new code is if the light comes back on.
Keep us posted.

 

[Nomoregas]

Hey thanks! Do you happen to know if the powertrain malfunction warning is ever related to a 12v battery issue? Or is it generally specific to the HVB? Tks

I am sure of it as I just had the wrench and I cleaned up my battery and all was great, drove all day next day no wrench and then later came on, but next time I started it went away again. Yesterday cam on after leaving my door open accidentally for 2 hours but drove for a while and next start up was gone again.

Today i am looking to replace this 12 volt as I am suspecting that is my issue and not main batt or drives, at least is my hope but all is working as normal even with the wrench icon

if anyone has replace 12 volt with something better let me know. 2.5 years out of this is not great for the 12 volt mind you i have 101,000km

 

[Wonko]

Hey there, bought a 23 xlt er last April and have loved the truck overall/so far. Have put 27,000 miles on since. Two days ago the orange wrench showed up with powertrain malfunction, service soon. Call local dealer/shop where it was purchased, can't see it until April 6, then probably at least another month for parts(just guessing by reading all threads I could find)
No loaners. I called the 1-800 on ford pass to open up a claim and ask about rental reimbursement. They said yes, but has anyone on here been through this, I'm looking at potentially 3 months without my truck. How fast/slow is the reimbursement process, and now my faith in Ford is out the window.
I live in Montana, everything tech moves slow out here. Also, shop guy I spoke with told me to go ahead and keep driving until he can get me in next month. Noticed this morning that cabin heater does not work. Without the seat heaters It would be too cold inside to drive it. Any info would be greatly appreciated
Thanks

You may have a bad cabin heater assembly or diverter valve either which can cause problems with heating and cooling the battery as well. Be absolutely sure to mention that the heat is not working, even if it’s warm when you finally bring it in. Also beware that it could start refusing to charge at any time.

 

[Mike37]

I’m not showing any recalls at this time.

Thankfully not the HVB, but they did need to replace the coolant pump. Done in a day, back on the road.

 

[f150lex]

Adding myself to the list. Yesterday (3/18/25) the truck threw a yellow Powertrain Malfunction wrench and reduced power to 57%. Also won't charge past 66% or the orange ring of doom appears. Right over the 3,000 mile mark on the vehicle. Dealer appointment scheduled for 3/20/25. Debating trying the 12v disconnect approach, but unless someone tells me otherwise, suspect there's little benefit.

 

[Grumpy2]

So sorry for your sudden issue, I assume this is a 2024 model?

Right over the 3,000 mile mark on the vehicle.

I hope your dealer has experience with the Lightning and this. If your truck isn't already at a dealer, you might want to ask here if someone has had good experience with a dealer near your location.

How the dealer reacts will make all the difference in how you will feel a month from now.

 

[f150lex]

Thank you! It's a 2024 Lariat.. If anyone has suggestions for good dealers in the greater Boston area, I'd love to hear them.

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