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Home > Technical (L322) > L322 2010 4.4 tdv8 gearbox fault

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Haylands

Member Since: 04 Mar 2014
Location: East Yorkshire
Posts: 7929

2014 Range Rover Autobiography SDV8 Loire Blue

How long had the car been off..?? 12.6 is a fully charged battery, I bet this is dropping overnight, as you turn on the ignition, the gearbox ECU reads the voltage as low and chucks the fault 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-

5th May 2020 11:41am

Shawser1203

Member Since: 29 Jul 2017
Location: Aberdeenshire
Posts: 88

2010 Range Rover HSE TDV8 Zermatt Silver

I just charged it other day. As I said before, within a couple weeks, it will be down 50% charged. Even after long runs, it doesn't increase the charge.

5th May 2020 11:46am

Haylands

Member Since: 04 Mar 2014
Location: East Yorkshire
Posts: 7929

Probably the battery then, it's certainly the cheapest thing to try first anyway... 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-

5th May 2020 11:49am

Shawser1203

Member Since: 29 Jul 2017
Location: Aberdeenshire
Posts: 88

Exactly, process of elimination. Cheapest thing first.

5th May 2020 11:51am

GGDR

Member Since: 26 Nov 2016
Location: London
Posts: 3519

2011 Range Rover Vogue SE TDV8 Stornoway Grey

even cheaper is a system discharge / battery reset.

Nothing to loose before you buy a battery.

Then yes a battery would be next cheapest thing to try
. Cheers, Greg
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
2011 Vogue SE 4.4 with lots of toys in Stornaway

5th May 2020 11:58am

diesel Dave

Member Since: 14 Aug 2015
Location: Stockport
Posts: 444

2015 Range Rover Autobiography SDV8 Loire Blue

I was getting similar readings to that, but as Haylands says it's probably losing some power overnight, and once they get weak and you turn the key its game over as the voltage drops right down.

5th May 2020 12:15pm

Shawser1203

Member Since: 29 Jul 2017
Location: Aberdeenshire
Posts: 88

How do you do the system reset and discharge?

5th May 2020 12:24pm

Haylands

Member Since: 04 Mar 2014
Location: East Yorkshire
Posts: 7929

It's in the WIKI, just a battery disconnection procedure, worth a try but don't hold your breath...! 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-

5th May 2020 12:50pm

Shawser1203

Member Since: 29 Jul 2017
Location: Aberdeenshire
Posts: 88

I think I've tried that. Taking battery leads off, then touching them together?

5th May 2020 1:13pm

Shawser1203

Member Since: 29 Jul 2017
Location: Aberdeenshire
Posts: 88

Just got old battery out. There was a label on the breather pipe on old battery dated 18/11/2010

5th May 2020 3:02pm

Shawser1203

Member Since: 29 Jul 2017
Location: Aberdeenshire
Posts: 88

Oh well new battery in, no difference.

5th May 2020 4:06pm

Shawser1203

Member Since: 29 Jul 2017
Location: Aberdeenshire
Posts: 88

Also I checked new battery charge percentage it was 70%. After I fitted it, I did the battery replacement on diagnostic tool. After that I put charger back on and it was 50%. Getting a replacement tomorrow to see if its the new battery.

5th May 2020 4:23pm

Shawser1203

Member Since: 29 Jul 2017
Location: Aberdeenshire
Posts: 88

Got new battery today. Still the same message. Also noticed not going into low box.

6th May 2020 7:27pm

Shawser1203

Member Since: 29 Jul 2017
Location: Aberdeenshire
Posts: 88

Lo box working, didn't do procedure correctly.

6th May 2020 7:32pm

stu1

Member Since: 06 Dec 2013
Location: UK
Posts: 276

2007 Range Rover Supercharged 4.2 SC V8 Java Black

Shawser1203 wrote:
No fault codes came up.

Interesting - I would have expected a displayed gearbox fault message to have logged at least one DTC indicating as to why it was showing you the message - what did you read the codes with?

6th May 2020 7:43pm

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