Replacing batteries
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More Turbo
Joined: Apr 2007
Posts: 631
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From: Southern Ontario Canada
Replacing batteries
Hey guys I am thinking I’m going to have to replace the batteries soon, truck has almost 200,000 km / 120,000 miles on it and they are original. Have had a few issues just lately, the Dash board computer screen completely reset itself, and I have a cel light on, don’t know the codes as I can’t find my reader, but I have an appointment with the dealer for it on the 17th Feb. But it’s probably due for new batteries anyway, I put a high load on them when transporting various RV’s around the country, and usually have lot of power usage going to the rv and phone ,iPad chargers and 12 volt kettle dash cam etc. Anyway the replacements I found say that “Vehicle computer system must be reset and battery registered using scan tool.“ is this true?
More Turbo
Joined: Oct 2020
Posts: 682
Likes: 94
Hey guys I am thinking I’m going to have to replace the batteries soon, truck has almost 200,000 km / 120,000 miles on it and they are original. Have had a few issues just lately, the Dash board computer screen completely reset itself, and I have a cel light on, don’t know the codes as I can’t find my reader, but I have an appointment with the dealer for it on the 17th Feb. But it’s probably due for new batteries anyway, I put a high load on them when transporting various RV’s around the country, and usually have lot of power usage going to the rv and phone ,iPad chargers and 12 volt kettle dash cam etc. Anyway the replacements I found say that “Vehicle computer system must be reset and battery registered using scan tool.“ is this true?
I do not think Ford trucks have this, but I could be wrong. Have not seen it stated under OM or in ForScan service area.
Senior User
Joined: Jan 2021
Posts: 426
Likes: 92
Here is what you should do. Looks like let it sit for 8 hours and you are golden.
Battery Management System (If Equipped)
The battery management system monitors battery conditions and takes actions to extend battery life. If excessive battery drain is detected, the system temporarily disables some electrical systems to protect the battery.
Systems included are:
Battery Management System (If Equipped)
The battery management system monitors battery conditions and takes actions to extend battery life. If excessive battery drain is detected, the system temporarily disables some electrical systems to protect the battery.
Systems included are:
- Heated rear window.
- Heated seats.
- Climate control.
- Heated steering wheel.
- Audio unit.
- Navigation system.
A message may appear in the information displays to alert you that battery protection actions are active. These messages are only for notification that an action is taking place, and not intended to indicate an electrical problem or that the battery requires replacement.
After battery replacement, or in some cases after charging the battery with an external charger, the battery management system requires eight hours of vehicle sleep time to relearn the battery state of charge. During this time your vehicle must remain fully locked with the ignition switched off.
Note: Prior to relearning the battery state of charge, the battery management system may temporarily disable some electrical systems.
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More Turbo
Joined: Apr 2007
Posts: 631
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From: Southern Ontario Canada
I assume you’re looking at an AGM battery. If so historically Euro cars starting using them as OEM batteries first and many of the Euro cars have programs that change the rate of charge based on age of battery. Hence an update to the date the new battery has been installed to ensure it is not overcharged prematurely killing the battery.
I do not think Ford trucks have this, but I could be wrong. Have not seen it stated under OM or in ForScan service area.
I do not think Ford trucks have this, but I could be wrong. Have not seen it stated under OM or in ForScan service area.
Thread Starter
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More Turbo
Joined: Apr 2007
Posts: 631
Likes: 13
From: Southern Ontario Canada
Here is what you should do. Looks like let it sit for 8 hours and you are golden.
Battery Management System (If Equipped)
The battery management system monitors battery conditions and takes actions to extend battery life. If excessive battery drain is detected, the system temporarily disables some electrical systems to protect the battery.
Systems included are:
Battery Management System (If Equipped)
The battery management system monitors battery conditions and takes actions to extend battery life. If excessive battery drain is detected, the system temporarily disables some electrical systems to protect the battery.
Systems included are:
- Heated rear window.
- Heated seats.
- Climate control.
- Heated steering wheel.
- Audio unit.
- Navigation system.
A message may appear in the information displays to alert you that battery protection actions are active. These messages are only for notification that an action is taking place, and not intended to indicate an electrical problem or that the battery requires replacement.
After battery replacement, or in some cases after charging the battery with an external charger, the battery management system requires eight hours of vehicle sleep time to relearn the battery state of charge. During this time your vehicle must remain fully locked with the ignition switched off.
Note: Prior to relearning the battery state of charge, the battery management system may temporarily disable some electrical systems.
More Turbo
Joined: Oct 2020
Posts: 682
Likes: 94
Here is what you should do. Looks like let it sit for 8 hours and you are golden.
Battery Management System (If Equipped)
The battery management system monitors battery conditions and takes actions to extend battery life. If excessive battery drain is detected, the system temporarily disables some electrical systems to protect the battery.
Systems included are:
Battery Management System (If Equipped)
The battery management system monitors battery conditions and takes actions to extend battery life. If excessive battery drain is detected, the system temporarily disables some electrical systems to protect the battery.
Systems included are:
- Heated rear window.
- Heated seats.
- Climate control.
- Heated steering wheel.
- Audio unit.
- Navigation system.
A message may appear in the information displays to alert you that battery protection actions are active. These messages are only for notification that an action is taking place, and not intended to indicate an electrical problem or that the battery requires replacement.
After battery replacement, or in some cases after charging the battery with an external charger, the battery management system requires eight hours of vehicle sleep time to relearn the battery state of charge. During this time your vehicle must remain fully locked with the ignition switched off.
Note: Prior to relearning the battery state of charge, the battery management system may temporarily disable some electrical systems.
Me neither as read somewhere that it wasn't on these trucks, but after the above and then looking in OM it's page 380 of the 2021 manual:
Postmaster
Joined: Jan 2005
Posts: 4,424
Likes: 12
From: BC Canada
What AGM battery brand, and model? Get dealer to register and change IDS for an AGM battery? Do you have the dual high output alternators? I’m in Canada to, left coast North, and all I can find is $400 per battery Canadian Tire, high end AGM, or other alternatives, of similar costs. Can Tore does have a mid line AGM about 280 Cdn per battery. Your Ford dealer may have a Motorcraft AGM Max. I’m curious their prices, supposed to be what they put in Lincoln models.
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Thread Starter
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More Turbo
Joined: Apr 2007
Posts: 631
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From: Southern Ontario Canada
What AGM battery brand, and model? Get dealer to register and change IDS for an AGM battery? Do you have the dual high output alternators? I’m in Canada to, left coast North, and all I can find is $400 per battery Canadian Tire, high end AGM, or other alternatives, of similar costs. Can Tore does have a mid line AGM about 280 Cdn per battery. Your Ford dealer may have a Motorcraft AGM Max. I’m curious their prices, supposed to be what they put in Lincoln models.
These are the ones I’m looking at
https://www.canadiantire.ca/en/pdp/m...p.0106550.html
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More Turbo
Joined: Feb 2008
Posts: 566
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From: Freedom,Wi.
The owners manual says Battery Maintenance System (if equipped), How do I know if its on my vehicle ? Just replaced battery in my wife's 17 Exp and wondering if the sleep thing should have been done? Thanks.
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Joined: Jan 2021
Posts: 426
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More Turbo
Joined: Nov 2019
Posts: 550
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From: Northwest CT
Good batteries. Same thing as the Odyssey ODX-AGM65. Just put a new one in my offroad truck yesterday. After 10+ years it finally decided to not hold charge anymore.
I had never heard of this battery relearn stuff, but it makes sense. Not really that big a deal though. Change the batteries in the evening, lock the truck, fire it up in the morning. if you have a scangauge or some other monitoring device, just look at the voltage. Fire it up, if it reads 12.9 that's right. As you drive, it should go up to somewhere between 14.2-14.6 I think when the alternator(s) kick in.
Oddly enough my '09 truck appears to charge it correctly, where as my 2015 Civic Si never reads those voltages. No mention in the Honda manual about any sort of Battery Charge Relearn. AGM in both.
I would just do the relearn to be on the safe side.
I had never heard of this battery relearn stuff, but it makes sense. Not really that big a deal though. Change the batteries in the evening, lock the truck, fire it up in the morning. if you have a scangauge or some other monitoring device, just look at the voltage. Fire it up, if it reads 12.9 that's right. As you drive, it should go up to somewhere between 14.2-14.6 I think when the alternator(s) kick in.
Oddly enough my '09 truck appears to charge it correctly, where as my 2015 Civic Si never reads those voltages. No mention in the Honda manual about any sort of Battery Charge Relearn. AGM in both.
I would just do the relearn to be on the safe side.
Postmaster
Joined: Jan 2005
Posts: 4,424
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From: BC Canada
Brick man, yeah, those are very expensive, but I believe they will do well. Best warranty and like all of them, they will only replace one that fails not the pair. There is also a cheaper midline, I put a midline in my wife’s RAV4 and it’s now 4-5 years and doing very well. I believe this is a North start manufactured battery. The other option is Amazon dot Ca, they have the group 65 Odessey for a very similar price. But for your travels, I think a Can tire in every town and their boost policy will be better for you. I would check with your Ford dealer to see if they have a true AGM option, but I have never seen them at mine. I hear they put in the Lincoln products.
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