 | Home > General & Technical (L663) > How to disable the Auto Stop/Start feature? |
 
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| Gareth Member Since: 12 Dec 2011 Location: Bramhall Posts: 1038   
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On my Jaguar, if stop/start activates, and I then get out of the car, the act of undoing the seatbelt turns off the ignition. I can’t imagine why you would want it any other way, or some pikey would just get in and drive it away! 2021 Defender 110 X-Dynamic HSE D300 MHEV
1966 S2a 109 aka Betsy 1968 S2a 88 aka Bob 2014 Jaaaag F Type 3.0 Supercharged. |
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21st Dec 2020 8:21pm |
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| discomog Member Since: 09 May 2015 Location: Notts/Lincs Border Posts: 2496  
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Don't worry lads, in 10 years time when we're all buying EV's then auto stop/start won't be a problem
 Defender 90XS SW
Mini Countryman Cooper S Morgan Plus 8 |
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22nd Dec 2020 9:45am |
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| SN Member Since: 30 Jun 2007 Location: SK6 Posts: 729 |
this confused me today (end of test drive) - put it in park got ready to exit the car and realised I hadn't pressed Start/Stop button... doh!
 Steve N | 21MY Defender  | 08MY Discovery 3 (history) | 06MY Discovery 3 (ancient history) |
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22nd Dec 2020 5:53pm |
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| Simon Audi Member Since: 19 Nov 2020 Location: Newport Posts: 544
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You test the 90 or 110?
Which Engine - 3.0L Diesel? Thoughts? |
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22nd Dec 2020 6:39pm |
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| SN Member Since: 30 Jun 2007 Location: SK6 Posts: 729 |
110 D240 - no 6 pots available - but enough for me to now move to the spreadsheet stage...
 Steve N | 21MY Defender | 08MY Discovery 3 (history) | 06MY Discovery 3 (ancient history) |
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23rd Dec 2020 12:17am |
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| Gareth Member Since: 12 Dec 2011 Location: Bramhall Posts: 1038
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Your overthinking Steve 😉 2021 Defender 110 X-Dynamic HSE D300 MHEV
1966 S2a 109 aka Betsy 1968 S2a 88 aka Bob 2014 Jaaaag F Type 3.0 Supercharged. |
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23rd Dec 2020 12:26am |
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| Tim in Scotland Member Since: 23 May 2007 Location: The Land that time forgot Posts: 3751 
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Putting it in P stops the engine unless the Auto Start/Stop has already done it for you. No need to press the stop button at all in my D240. Just opening the drivers door when stopped will also shut everything down.All you need to do is get out and lock it! Also now I’m used to the hold function for the brakes I haven’t used the parking brake switch in months and months - last time I was offroad in low box and using TR, the brake didn’t automatically engage and I had to use the EPB switch down to the right of the steering wheel. 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! Last edited by Tim in Scotland on 23rd Dec 2020 9:19am. Edited 1 time in total |
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23rd Dec 2020 12:30am |
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| weeman Member Since: 13 Sep 2020 Location: AUS Posts: 8 |
I can confirm that unplugging the connector shown does indeed disable the stop / start functionality on the D240.
I unplugged it this morning and now the stop / start disabled icon in the dash is permanently displayed. |
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23rd Dec 2020 6:02am |
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| markb110 Member Since: 22 May 2010 Location: Guildford Posts: 2525 
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That’s so the dealer instantly knows the warranty is void so they don’t have to waste their time plugging it in to the computer
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23rd Dec 2020 10:06am |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 16892 
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It is extremely unlikely that unplugging something to disable the auto stop/start feature would affect the warranty, especially on non-related items. Your earlier suggestion that after you have done this, the dealer cuts a main harness during a winch installation and you are left to foot the bill is preposterous, warranty has nothing to do with dealer negligence.
If JLR could demonstrate that a fault has occurred as a direct result of the disconnection of the auto stop/start then it is only to be expected that that would not be fixed at their expense, but there would be no legal basis to void the warranty for a fault in an unrelated system. You may well have to argue the point with some determination however since JLR's attitude to its customers is not always supportive. |
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23rd Dec 2020 1:10pm |
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| W84IT Member Since: 28 Sep 2020 Location: Indio, California Posts: 111 
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I disabled the auto stop/start feature on my 2016 L405 almost a year ago and it's been to the dealer for a few issues covered under warranty. They have never even mentioned/noticed that the auto stop/start feature was disabled. Ray
2020.5 Defender 110 P400HSE 2016.5 Range Rover HSE |
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23rd Dec 2020 2:36pm |
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| Supacat Member Since: 16 Oct 2012 Location: West Yorkshire Posts: 11018 
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For those in the US, there may be a new way if the software shares the features of Alfa:
Click image to enlarge |
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6th Jan 2021 7:25pm |
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| Tim in Scotland Member Since: 23 May 2007 Location: The Land that time forgot Posts: 3751
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IIRC JLR auto stop/start doesn’t work below 5C until the engine is at normal operating temperature. We’ve been below zero in this part of Central Scotland for a few days now and I’ve been using the remote start and climate control most days and from the off the auto stop/start has worked perfectly until I’ve left the car in an open air car park in town to go to the shops and when I have gone back to it the auto stop/start hasn’t cut in until the temperature gauge is back up to “normal”/ mid gauge even though the outside temperature is back up to +4C. My previous RRS’s Evoque’s and 2010MY were the same. The 2.7 and 3.6V8 both had remote pre-heating so I could warm them before driving away. 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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6th Jan 2021 8:48pm |
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| Hairy Dan Member Since: 25 Apr 2013 Location: NW Durham Posts: 1334 
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LR Retrofits is now able to offer this service also Cheers Ian
-------------------- 22MY Defender 110 D200 SE, Fuji White. Kielder 4x4 Safari Instagram @defender_v8 |
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13th Mar 2022 12:34am |
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