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V40 CC Low Battery Message

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Old Jul 27th, 2020, 16:14   #1
robpenrose
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Default V40 CC Low Battery Message

Hi all,

My wife has a 66 Plate T3 V40 CC, which we have had since Feb 2020. Its the facelift version with the LED headlights.

When we first purchased the car from Volvo, it had a low battery message flash up, but after the first decent drive, it went and never returned.

The car hasn't been used much during lock down and is now getting a low battery message again. The car recently went on a reasonable journey, completing about 3hrs running in a day. This cleared the message for a couple of days, but the message is back.

Im guessing the battery is on its way out, and not holding a charge properly. I was going to just put a new battery in it, but i cant see any straight forward instructions anywhere.

Is it ok to just swap the battery out? Ive seen people mention setting airbags off and all sorts! Surely a battery swap isn't anything special?

I was going to go with this battery as ive had it in my car for about 3 years, and its been faultless.

https://www.tayna.co.uk/car-batteries/exide/ek700/

Thanks

Last edited by robpenrose; Jul 27th, 2020 at 16:17.
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Old Jul 30th, 2020, 12:27   #2
robpenrose
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No replies then?

Do people on this forum generally not do much maintenance themselves then? Has no one changed a battery on a T3?
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Old Jul 30th, 2020, 14:26   #3
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I think most of us have learnt that once they get a few years old, this era Volvos give lots of low battery warnings... I've been ignoring mine for nearly two years!

But if you really want to swap the battery it'll be fine without any special considerations; while mine still has the original battery I've disconnected it overnight a few times to reset problem issues.
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Old Jul 30th, 2020, 15:45   #4
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Another thing we find is that with the ign. in position 1 or 2 ,with the engine not running, and with perhaps a couple of ancillaries running it will be a matter of minutes before the "low battery " warning appears.
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Old Aug 3rd, 2020, 09:46   #5
robpenrose
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Thanks for your replies and help.

Interesting that lots of people regularly get the message, but it doesn't effect anything.

Bit annoying Volvo didn't sort this issue though. Its not a small battery, and the T3 is only a small engine, so disappointing it doesn't seem up to the job.

I will keep an eye on it for a while, and mention it when its serviced, and see what they say.

Can anyone recommend a code reader for the car?

Thanks
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Old Aug 3rd, 2020, 10:26   #6
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Quote:
Originally Posted by robpenrose View Post
Thanks for your replies and help.

Interesting that lots of people regularly get the message, but it doesn't effect anything.

Bit annoying Volvo didn't sort this issue though. Its not a small battery, and the T3 is only a small engine, so disappointing it doesn't seem up to the job.

I will keep an eye on it for a while, and mention it when its serviced, and see what they say.

Can anyone recommend a code reader for the car?

Thanks
The battery is most probably fine , you need to understand that the charging system works in a different way on modern cars :
Once the battery gets to 80% charge it stops charging and only charges further on braking and when your foot is off the throttle hence it is unlikely to get to full charge unless you are around town all day .

During this period of inactivity volvo have old their dealers to recommend you charge the battery every TWO WEEKS to prevent the message you are getting ...

What you need to do is to charge your battery with a 10A capacity charger for as long as you can . 2 days ( 48 hours) should be enough to get it back to full capacity .. Then charge for half a day or so every 2 weeks whilst you are not driving it .
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