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![]() | Home > Faults & Fixes > 2010 charging issues |
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Disco_Mikey Member Since: 08 Apr 2012 Location: Dundee, Scotland Posts: 4513 ![]() ![]() ![]() |
What is the charge rate when it's not charging?
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Ricochet Member Since: 22 Jul 2025 Location: Derbyshire Posts: 7 ![]() ![]() |
12.5v as soon as it stops charging. and after driving for a bout 20 minutes it has dropped to 12.2v. Im using a plug in volt meter in the cigarette lighter socket |
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Disco_Mikey Member Since: 08 Apr 2012 Location: Dundee, Scotland Posts: 4513 ![]() ![]() ![]() |
Any Charge System Fault warnings on the dash? |
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Ricochet Member Since: 22 Jul 2025 Location: Derbyshire Posts: 7 ![]() ![]() |
No nothing.. no warning lights and no fault codes. If i hadnt put a volt meter on it i wouldnt have known it has a issue until the battery was dead. I went up to my local independent garage to have them re-code the battery in just incase my icarsoft didn’t do it correctly. While I was there it stopped charging so its now booked in for Monday , we spoke about a new firmware update incase it has a glitch in the one it has now..he also mentioned a wire on the alternator that can cause issues. Failing that he said he will definitely find the fault.. just how long it takes and how much it costs me 🙈 hopefully he does find the fault and fix it. When its fixed i will post what i can about the fix on here so i might just help someone else out. Altho he did say this charging problem is very uncommon. I just hope its not a new BCM thats required. Thanks for the replies Mikey i appreciate it |
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Col Member Since: 02 Sep 2012 Location: Hawkes Bay NZ Posts: 5109 ![]() ![]() ![]() |
Only a suggestion, but could it be anything to do with the battery management unit on the neg. battery lead playing up in some way..
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Ricochet Member Since: 22 Jul 2025 Location: Derbyshire Posts: 7 ![]() ![]() |
No mate. its had a new earth lead with.. on my 1st post about the problem i put bmc by mistake.. . Cheers |
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Pistnbroke Member Since: 22 Sep 2020 Location: rugby Posts: 459 ![]() ![]() ![]() |
Smart charging system takes it up to 14.4v and then drops back to 13.8v to reduce load and save petrol. Always listen to old people or when they die you will live on in ignorance.
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Ricochet Member Since: 22 Jul 2025 Location: Derbyshire Posts: 7 ![]() ![]() |
Thats what i thought should happen. When its fixed stops charging it drops to 12.3v and wont put any charge back in till its coasting .. soon as I accelerate charging stops and it goes straight back to 12.3v |
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Ricochet Member Since: 22 Jul 2025 Location: Derbyshire Posts: 7 ![]() ![]() |
Fixed 😀😀😀. It turned out to be a combination of 3 things maybe. But mostly the new battery i was told it needed.. so after a morning of checking wires and communication throughout the charging system everything was good.. the havc and ecu had a update which made the charging slightly better but still well below the normal charge rate. Then one person mentioned it had a AGM battery fitted (advised by landrover) and it should have a flooded battery and I should change it. Not convinced but willing to try anything i bought a new flooded battery and fitted it.. hey presto! That fixed it. I ran the car for 3hrs and it didnt stop charging once . |
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Disco_Mikey Member Since: 08 Apr 2012 Location: Dundee, Scotland Posts: 4513 ![]() ![]() ![]() |
All 2010 models should have an AGM battery... |
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Ricochet Member Since: 22 Jul 2025 Location: Derbyshire Posts: 7 ![]() ![]() |
Apparently mine shouldn’t.. After checking various suppliers and entering my reg all the batteries are flooded non are AGM. It doesn’t have stop / start . Either way im happy its charging lol |
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Col Member Since: 02 Sep 2012 Location: Hawkes Bay NZ Posts: 5109 ![]() ![]() ![]() |
I thought it was the first of the facelift one's, although all the 5.0L petrol variant L320's had the flooded batteries fitted from the factory, before they started fitting AGM's but could be wrong on that one, although I fitted a Varta AGM to my MY13 with no issues, which I have just changed again after 9 years.
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Meiang Member Since: 29 Apr 2011 Location: Perth Posts: 409 ![]() ![]() ![]() |
"All 2010 models should have an AGM battery".
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