When we had the 4th year service done today, Mrs Si mentioned the stop start being a bit erratic at the moment, and that I thought the battery was dying, as the voltage seems low. It only reads about 12.6v after charging.

The dealer has diagnosed a faulty stop start voltage sensor, and is pricing a new one. Apart from suspecting we'll need to be sitting down when they phone with the price. Has anyone else had this problem, and 'how sitting down' will we need to be?

ooh don't talk about stop/start car problems, the amount I have had is unbelievable. Two main dealer garages said they can't find anything wrong, or the outside temperature was too cold to check or the battery wasn't charged up enough. Funnily enough after a couple of longish runs its started to work again but for how long???? See my postings about it and battery question Ex 2010 Freelander2 GS-e Diesel manual Silver owner

I have a feeling if the part is too expensive, and it only effects the stop start, the stop start may just stay stopped. Although the garage hasn't phoned with a price yet.

I am not over impressed with stop/start anyway, I get the feeling other motorists think I have stalled the engine and don't know how to drive properly Ex 2010 Freelander2 GS-e Diesel manual Silver owner

Would be interesting to know how much the part is. Is only a tiny part I believe that fastens directly to the battery and negative lead. I reckon it would be fitted in minutes. I've said on another thread I think my battery needs replacing as the stop start doesn't work. If the voltage regulator is cheap it maybe an option to change that before the battery. Black MY2013 SD4 GS Auto, Wood Company Armrest, Freel2 sticker.
Gone MY2010 Freelander 2 Manual TD4.e S, Alaska White.

does any member have a photo of the stop/start sensor and where it actually is, only there doesn't seem to be anything on the web showing it Ex 2010 Freelander2 GS-e Diesel manual Silver owner

I believe this is the voltage sensor that is connected to the negative terminal.
 Black MY2013 SD4 GS Auto, Wood Company Armrest, Freel2 sticker.
Gone MY2010 Freelander 2 Manual TD4.e S, Alaska White.

thanks Steve looks easy enough to change if you could let me know what it costs when you get one I would be gratiful.

Also done a voltage check using the same digital tester as before and I notice the voltage has dropped by 0.2 volts over 3 days now 12.1 volts. This makes me wonder if the battery is on its way out, ok temperature may have an affect on it same as the car alarm, don't know about the retrofit sat nav if that is something causing it. i shall have to keep a closer eye on it I think.

I am trying to get my head around the sequence of events. Car clutch peddle- out of gear-hand brake on- engine cuts out, so what makes the sensor know this? there must be some electrical circuit involved

Using the air con the power drain on the battery can also stop the stop/start from working as well
I was wondering if there was some way to "trick" the sensor to think its warmer than the actual outside temperature Ex 2010 Freelander2 GS-e Diesel manual Silver owner

Theres quite a large section on my workshop manual that I bought from Ebay. Many parts are involved. Brake vacuum sensor, gear selector sensor and voltage sensors etc. The workshop manual is a copy of Topix I believe. It says there should be fault codes if any of the components aren't working. I got a quote for Dan two items:

Battery monitoring module LR031998 £68.27+VAT
Voltage quality module LR031831 £98.97+VAT


The battery module is the part that connects to the battery.

Mine worked fine all summer last year then stopped working around November, same as the year before. Its still not working at the moment so I'm just wondering if its the battery. When I bought my car the dealer (Non LR) hadn't managed to sell the car for nearly 3 months so I'm wondering if the battery suffered as a result of not much whilst been stood? Black MY2013 SD4 GS Auto, Wood Company Armrest, Freel2 sticker.
Gone MY2010 Freelander 2 Manual TD4.e S, Alaska White.

I had stop start issues on our 2012 (new) some times it worked and some times it did not, after approximately 18 months the problem is solved, it was found that the battery was only 65% charged due to me not using the car enough, they tried charging the battery, but it would not fully charge its self, a new battery was fitted under warranty and now I connect the C-Tek battery conditioner to the car and now the stop start works every time

http://www.ctekchargers.co.uk/ctek-mxs5.0.php

Is this version the correct one for stop/start
freelander? Ex 2010 Freelander2 GS-e Diesel manual Silver owner

Last edited by realspeed on 28th May 2014 9:28 pm. Edited 1 time in total

My stop/start started working today, it hasn't worked since December! The engine was stopping this morning but re-starting after only 3 or 4 seconds. I'm definately going to buy a new battery before winter. I'm interested in the battery charger above, I might buy one. I've been reading about desulphurisation charging (if that is spelt correctly). I think the Ctek charger does this, basically reconditions the battery. Black MY2013 SD4 GS Auto, Wood Company Armrest, Freel2 sticker.
Gone MY2010 Freelander 2 Manual TD4.e S, Alaska White.

You are correct Harwoods Land Rover of Tonbridge specified the CTEK MXS 5.0 12v 5a and it works fine for me. The cheapest I could find was off Ebay at £58.00 with a firm called POWERVAMP advanced power solutions Email address info@powervampracing.com hope this helps, sorry I have taken so long in replying computer shuts down and then restarts all on its own. Colin
P.S. They fitted a replacement AGM battery

thanks Carcol for confirming my link and where you got yours from Ex 2010 Freelander2 GS-e Diesel manual Silver owner

Ours started working again yesterday. Which is just as well, as the dealer still hasn't phoned with a price for a new sensor yet.....