 | Home > Faults & Fixes (L663) > Stop / Start not working |
 
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| intensityderen Member Since: 03 Jul 2021 Location: Orlando, Florida Posts: 2   
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What year is your defender?
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11th Jul 2021 1:03am |
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| Supacat Member Since: 16 Oct 2012 Location: West Yorkshire Posts: 11018  
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There was an SSM for this.
 Click image to enlarge Click image to enlarge |
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11th Jul 2021 9:29am |
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| Tim in Scotland Member Since: 23 May 2007 Location: The Land that time forgot Posts: 3753 
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The SSM is for the 6 cylinder Petrol engine no mention of the diesels. Pangea Green D250 90 HSE with Air Suspension, Off-road Pack, Towing Pack, Black Contrast roof , rear recovery eyes, Front bash plate, Classic flaps all round, extended wheel arch kit and a few bits from PowerfulUK Expel Clear Gloss PPF to come
2020 D240 1st Edition in Pangea Green with Acorn interior. Now gone - old faithful, no mechanical issues whatsoever ever but the leaks and rattles all over the place won’t be missed! |
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11th Jul 2021 9:44am |
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| Supacat Member Since: 16 Oct 2012 Location: West Yorkshire Posts: 11018
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Correct ~ but better to know this than not surely?
Just how much of the software do you think is written from a blank sheet, rather than amended/shared from existing? |
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11th Jul 2021 12:31pm |
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| SN Member Since: 29 Jun 2007 Location: SK6 Posts: 729 |
My D200 six pot does pick erratic times to do Stop/Start - but I don't really care, I'd probably switch it off if I could bother to find out how to do it (if even possible) - less wear/tear quite frankly, and I do so few miles the impact is basically nothing. Steve N | 21MY Defender
| 08MY Discovery 3 (history) | 06MY Discovery 3 (ancient history) |
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12th Jul 2021 9:42am |
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| abpod Member Since: 08 Nov 2020 Location: Arizona Posts: 71
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Mine has not worked since Day 1 which I think I'm ok with - it would probably annoy me if it were on. '21 L663 X-Dyn HSE P400 Carpathian '13 L319 '03 L322 |
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19th Aug 2021 2:30pm |
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| Shorty53 Member Since: 17 May 2013 Location: Lancashire Posts: 135 
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On my D250 it does not work if the car has rested for a few days and kicks in after a few miles when the battery has recharged. Certainly does not work under any conditions when the a/c is on. Dealer says this is normal.
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19th Aug 2021 9:35pm |
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| Hairy Dan Member Since: 25 Apr 2013 Location: NW Durham Posts: 1418 
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I've had my car since last Wednesday and the stop/start hasn't worked up until tonight when for some reason it seems to be functioning as normal now
 Cheers Ian
-------------------- 22MY Defender 110 D200 SE, Fuji White. Kielder 4x4 Safari Instagram @defender_v8 |
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28th Sep 2021 10:29pm |
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| Shorty53 Member Since: 17 May 2013 Location: Lancashire Posts: 135
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Does it work when the a/c is on?
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29th Sep 2021 7:27am |
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| #1784 Member Since: 11 Nov 2020 Location: Almunge Posts: 45 
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If it judges that cabin climate will be OK even without AC compressor running, so if it's hot or sunny outside stop/start is inhibited so that AC can function.
I've found the system pretty predictable, in all normal cases it functions seamlessly and the re-start is so quick so there is not a noticeable lag in driving away. If you for some reason want to prevent a stop, it's just to use a light foot on the brake when stopped. The engine stop is only triggered with a fairly firm press on the brake pedal when the car is stationary. 110 SE D200 MY21 Tasman blue Discovery 3 V8 HSE MY06 Discovery 1 V8 ES MY97 RRC 2-door V8 MY83 |
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29th Sep 2021 7:57am |
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| Shorty53 Member Since: 17 May 2013 Location: Lancashire Posts: 135
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That's a clever system. Does it know if the cabin is damp, muggy and steamed-up so the a/c acts as a dehumidifier?
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29th Sep 2021 8:29am |
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| Tim in Scotland Member Since: 23 May 2007 Location: The Land that time forgot Posts: 3753
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I concur with #1784 - turn the climate setting to the outside temperature or higher and the stop/start works fine and as designed - select a lower temperature that the fridge compressor starts to work then auto stop/start is inhibited even if the cabin temperature is low enough that the compressor stops running the stop/start will not operate because the outside temperature is higher. Even here in Scotland where it isn’t tropical hot the stop/start will not operate in the summer if the outside temperature is higher than inside the car unless you turn the heater up to match the outside temperature! Only way to get around it is to inhibit the climate control - not great if you are in a city centre on a hot day and want to save the planet from exhaust fumes. Pangea Green D250 90 HSE with Air Suspension, Off-road Pack, Towing Pack, Black Contrast roof , rear recovery eyes, Front bash plate, Classic flaps all round, extended wheel arch kit and a few bits from PowerfulUK Expel Clear Gloss PPF to come
2020 D240 1st Edition in Pangea Green with Acorn interior. Now gone - old faithful, no mechanical issues whatsoever ever but the leaks and rattles all over the place won’t be missed! |
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29th Sep 2021 8:58am |
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| Hairy Dan Member Since: 25 Apr 2013 Location: NW Durham Posts: 1418
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Last night when it started working I had the ac on (I just leave it on constantly on Auto) the windscreen wipers on and headlamps as it was chucking it down with rain
 Cheers Ian
-------------------- 22MY Defender 110 D200 SE, Fuji White. Kielder 4x4 Safari Instagram @defender_v8 |
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29th Sep 2021 2:15pm |
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| Gareth Member Since: 12 Dec 2011 Location: Woodford Posts: 1107 
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The stop/start system suddenly started working on mine yesterday. 2021 Defender 110 X-Dynamic HSE D300 MHEV
1966 S2a 109 aka Betsy |
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29th Sep 2021 2:33pm |
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