Yet again the car has been for a main dealer service and they still can't find out why the stop/start doesn't work while waiting in queue or for a period of time. The dash shows it in operation or not according to if I switch it on or off so there is electrical contact.

According to them last year to cold, yesterday it was due to having the air con on (don't work with it off) - low battery (usual excuse) -Garman sat nav on all the time was another excuse-they can't find anything wrong.
To be honest anything out of the ordinary and modern mechanics are absolutely useless.

So now if anyone has any ideas why this doesn't work please let me know Ex 2010 Freelander2 GS-e Diesel manual Silver owner

You may well know all these 'inhibitors' but have they checked that the trailer module in the boot is not giving a false output with no indication on dash.
Also the BMS (battery monitoring module) at the battery post, have they checked/replaced or re-calibrated it, although it should if not faulty re-calibrate itself after a day or two.

Driver effected stop inhibitor
Driver switches off the Stop/Start system
Transmission not in neutral
Clutch pedal not fully released
Accelerator pedal depressed
Hood is open
Driver’s door is open
Driver’s safety belt is disengaged
HDC (hill decent control) is active
TR (terrain response) mode is active
Climate control system used above calibrated threshold
Windshield demist is operating
Trailer electrical connection detected
Vehicle system effected stop inhibitor

The following vehicle system conditions will inhibit the engine from shutting down:
Driver switches off the Stop/Start system
Brake servo vacuum below threshold
Battery cold cranking capability below threshold
Battery state of charge is low
Catalytic converter outside either pre or post calibration range
DPF (diesel particulate filter) is regenerating
Engine coolant temperature below threshold
Engine oil temperature below threshold

The following environmental conditions will inhibit the engine from shutting down:
External temperature above 35°C
External temperature below 4°C

Mine doesn't work in the winter. I'm wondering if my battery needs replacing. I didn't use the car for a day over Christmas, I measured the battery voltage with a multimeter and it was 12.1volts. I checked this out on the web and found that the battery is about 50-70 charged. I used a smart charger to charge the battery but after 10 minutes of use it says the battery is 100% charged. I'm wondering if my battery is on its way out, even though it starts the car with no issues. Black MY2013 SD4 GS Auto, Wood Company Armrest, Freel2 sticker.
Gone MY2010 Freelander 2 Manual TD4.e S, Alaska White.

The car has just been serviced and everything mentioned should have been checked.All the above may contribute but not in this case as non apply Ex 2010 Freelander2 GS-e Diesel manual Silver owner

My stop/start did not work either. when I checked the battery it only measured 12volts.
Brought a new AGM battery eight months ago and the stop/start has worked as normal since

Roly

I figured that would be the case with my battery, when the car has been icy (not often this winter) the car has turned over no problem and started but I could hear the turning over was a little laboured and I got the haldex fault message. I measured the battery voltage as being 12.1 after being stood 24hrs so maybe the voltage sensor of the stop/start system thinks the battery voltage is too is too low thus not turning the engine off etc. I think I will wait until next winter before I change my battery due to the cost of an AGM battery as I can live without the stop/start working. Black MY2013 SD4 GS Auto, Wood Company Armrest, Freel2 sticker.
Gone MY2010 Freelander 2 Manual TD4.e S, Alaska White.

decide to buy a ring battery voltage tester for £14 first before considering buying an expensive new battey. See what that reads first

link

http://www.amazon.co.uk/gp/product/B00311B...&psc=1 Ex 2010 Freelander2 GS-e Diesel manual Silver owner

Just got the tester and the battery is reading 12.2v which seems to be in the mid medium charge range 0f 11.8-12.5v so maybe the car needs a good run to charge it up. The charging rate is well over 14v so the alternater is doing its job. So the problem could be the battery voltage as the stop/start sensor won't detect a battery below good which is 12.5-15.9v

So does anyone here know at what voltage the stop/start voltage sensor is set at before it won't work? Ex 2010 Freelander2 GS-e Diesel manual Silver owner

I drove from the Somerset Border all the way to Farnham in Surrey the other day before Stop start worked for the first time that day.
I suspect the battery was recovering as it had been standing for 5 weeks. Jaguar x-type sport gone
Jaguar x-type 2.2d sport one of my best cars ever sadly gone
Freelander 2 GS auto 2008 most unreliable ever ! gladly gone
Freelander 2 GS manual 2013 only time will tell !

Does anyone know at what voltage the stop/start sensor detects how low a battery voltage is when it stops working. Maybe someone who works for Landrover can find out only my local garage doesn't seem to have a clue. All they can quote is temperature which is in the handbook anyway. I would have thought trained LandRover mechanics would have this kind of knowledge at their finger tips or at least a means of looking it up.
Possible the training Land Rover gives mechanics isn't very comprehensive and wants to be revised, at least on their auto electric course, I don't know Ex 2010 Freelander2 GS-e Diesel manual Silver owner

Try the "Land Rover Customer Relations" section of this site?

I know this link doesn't help with the stop/start sensor voltage but I found it useful while investigating my stop/start issues.

http://carbatteryonline.net/car-battery-tester.html Black MY2013 SD4 GS Auto, Wood Company Armrest, Freel2 sticker.
Gone MY2010 Freelander 2 Manual TD4.e S, Alaska White.

I don't think it's as simple as a set voltage that it cuts off at.

The cars computer will be reading all kinds of inputs like load, temp etc

Best to give it a good run or put a battery tender on it for a good 12/24 hours and see how it goes before buying an expensive battery.

From what I understand of the various threads on here is that all kinds of things are monitored, one being the voltage. Mine went through a stage of working until Novemeber, then the engine would stop when at lights etc, but would re-start after only a couple of seconds. I could be totally wrong (probably are!) but I was thinking that if the battery is only holding 50% of its charge due to sulphation for example then maybe the voltage sensor is telling the car that there is not enough charge in the battery so the start stop system is disabled.

Also, on really cold days when starting I get the Haldex error on the dash. Now, that could be down to earthing issues (many threads on that) or it could also be a sign that the battery is not quite upto the job of turning the engine over at full speed to start the car. Hence testing my battery voltage shows the battery is only holding half of its charge. Black MY2013 SD4 GS Auto, Wood Company Armrest, Freel2 sticker.
Gone MY2010 Freelander 2 Manual TD4.e S, Alaska White.

Just had battery on charge all day and now reading 13.2 volts, so will see if that cures the problem Ex 2010 Freelander2 GS-e Diesel manual Silver owner