Advertise on fullfatrr.com »

Home > Technical (L322) > Battery drain - 2011 5.0SC - new AGM battery
Post Reply  Down to end
Page 1 of 1
Print this entire topic · 
AJT FF



Member Since: 27 May 2023
Location: Bicester
Posts: 7

United Kingdom 2011 Range Rover Autobiography 5.0 SC V8 Santorini Black
Battery drain - 2011 5.0SC - new AGM battery

Hi all

I've been seeing the low battery warning recently and installed a new battery as the old one was 10yrs old. From what I saw the new battery fitted by Halfords was not coded to the car.

Now I am still seeing the warnings, just a day after after a 240m round trip. I have a clamp meter on order to check the drain and have read thru the boards but most of the discussions are around older L322 with headlight wipers. Mine does not have them.

Are there any likely candidates for a fuse check? I sat in the car today, locked the car and waited. There was a fan noise for about a min or two, then it stopped. It briefly kicked off for 10-15 secs after a couple more minutes but didn't come to life again for the next few mins.

Any pointers would be great.


Thanks

Post #665325 28th May 2023 6:23pm
View user's profile Send private message View poster's gallery Reply with quote
Haylands



Member Since: 04 Mar 2014
Location: East Yorkshire
Posts: 7876

England 2014 Range Rover Autobiography SDV8 Loire Blue

You don't "have" to code the battery in but it will take a while for the car to learn it has a new one, you could try charging the new battery overnight... Thumbs Up Pete

__________________________________________________
2014 L405 Autobiography SDV8 4.4 Loire Blue Ebony interior
2011 L322 Vogue SE 4.4 TDV8 Baltic Blue. Parchment over Navy Interior. Sold
2012 L322 Autobiography 5.0 Supercharged Ipanema Sand, Jet Interior. Sold
2002 L322 Vogue 4.4 V8 Epson Green, Ivory over Aspen Interior (Fatty Offroader) Sold
-Click for Project Fatty off roader-

Post #665338 28th May 2023 9:39pm
View user's profile Send private message View poster's gallery Reply with quote
AJT FF



Member Since: 27 May 2023
Location: Bicester
Posts: 7

United Kingdom 2011 Range Rover Autobiography 5.0 SC V8 Santorini Black

Thanks. I’ve had it on a trickle charger and it’s now showing full.

Still no idea where the leak could be!

Post #665350 29th May 2023 7:03am
View user's profile Send private message View poster's gallery Reply with quote
JayGee



Member Since: 27 Jul 2021
Location: London
Posts: 2568

United Kingdom 2012 Range Rover Vogue 4.4 V8 Orkney Grey

Could also be a failing alternator. 2012 TDV8 Vogue (L322)

Post #665351 29th May 2023 7:20am
View user's profile Send private message View poster's gallery Reply with quote
garyRR



Member Since: 13 Mar 2021
Location: Hampshire
Posts: 1286

United Kingdom 

Usual culprits if not are a failing alternator as JayGee suggests, or the final stage resistor "hedgehog". 2015 Range Rover Autobiography 4.4 SDV8

Post #665361 29th May 2023 8:43am
View user's profile Send private message View poster's gallery Reply with quote
AJT FF



Member Since: 27 May 2023
Location: Bicester
Posts: 7

United Kingdom 2011 Range Rover Autobiography 5.0 SC V8 Santorini Black

Hi. just to follow up, I used my icarsoft diag box to run a voltage check with the engine on. I only saw between 11.8 and 12.2v rather than the 14.5ish I’ve been led to believe to expect. Would this point to a failing alternator? Thanks.

Post #665648 1st Jun 2023 4:44pm
View user's profile Send private message View poster's gallery Reply with quote
JayGee



Member Since: 27 Jul 2021
Location: London
Posts: 2568

United Kingdom 2012 Range Rover Vogue 4.4 V8 Orkney Grey

With a smart charging system the alternator doesn’t put out full voltage all the time. Try switching on every electrical load and see if it goes up. 2012 TDV8 Vogue (L322)

Post #665658 1st Jun 2023 5:39pm
View user's profile Send private message View poster's gallery Post Reply
Post Reply  Back to top
Page 1 of 1
All times are GMT

Jump to  
Previous Topic | Next Topic >
Posting Rules
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum



Site Copyright © 2006-2024 Futuranet Ltd & Martin Lewis
fullfatrr.com RSS Feed - All Forums


Switch to Mobile site