 | Home > P400e Area (L663) > EV not available.... Think I know the answer but... |
 
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| RDR Member Since: 27 Apr 2018 Location: Derbyshire Posts: 592  
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It could be a heater matrix problem. Sounds exactly like what i had in my RR (Just Rejected) I wasn't able to do any small trips at one stage as it took 2 miles before it would let me go into EV they had to install a new heater matrix and do something with the battery.
 Click image to enlarge 110 MY23.5 X Dynamic HSE RR MY23 HSE PHEV D5 MY19 HSE - Now Sold D4 MY16 HSE Luxury - Now Sold D4 MY12 HSE - Gone D3 MY06 S - Gone but not forgotten |
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19th Oct 2023 8:25am |
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| Nick-St Member Since: 23 Apr 2013 Location: Surrey Posts: 267 
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Do you use the pre-condition function & set your departure time?
If I do that, it will start in EV mode (on a cold day), but if I don't the engine will start. Didn't notice it in the summer when the battery would have been warmer. |
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19th Oct 2023 9:04am |
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| milesg7 Member Since: 13 Sep 2023 Location: Cheltenham Posts: 67
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Thanks guys, Nick, I can't use the pre-conditioner as it is plugged in overnight to take advantage of Octopus cheap rates, but no I don't. It is only c.9 degs here in the am's, and c.14 degs in the afternoon when I get in to go home. I haven't done any longer trips this week, but will be doing a 30 mile drive this afternoon. It appears that the battery is working from cold on Hybrid mode (I can see the blue boost indication on the guages).
Nearest LR dealer to me cannot get me in for c.5 weeks...... |
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19th Oct 2023 9:22am |
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| RDR Member Since: 27 Apr 2018 Location: Derbyshire Posts: 592
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should add the matrix i needed was on back order, basically it was creating a massive power draw which is one of the criteria to force the car into Hybrid. 110 MY23.5 X Dynamic HSE
RR MY23 HSE PHEV D5 MY19 HSE - Now Sold D4 MY16 HSE Luxury - Now Sold D4 MY12 HSE - Gone D3 MY06 S - Gone but not forgotten |
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19th Oct 2023 9:27am |
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| milesg7 Member Since: 13 Sep 2023 Location: Cheltenham Posts: 67
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Interesting. I will remove dash cam etc and see if that makes a difference....
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19th Oct 2023 9:36am |
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| RDR Member Since: 27 Apr 2018 Location: Derbyshire Posts: 592
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yes they went through accessory draw with me, unplug any accessories you have so you can prove its nothing your doing. I had a fan in the boot for the dogs they first blamed it on that. 110 MY23.5 X Dynamic HSE
RR MY23 HSE PHEV D5 MY19 HSE - Now Sold D4 MY16 HSE Luxury - Now Sold D4 MY12 HSE - Gone D3 MY06 S - Gone but not forgotten |
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19th Oct 2023 9:40am |
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| Harty Member Since: 20 Feb 2021 Location: London Posts: 28
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Sounds like the same issue I, and many others, have had.
Here you go ... https://www.defender2.net/forum/topic84831.html |
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19th Oct 2023 8:11pm |
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| milesg7 Member Since: 13 Sep 2023 Location: Cheltenham Posts: 67
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I took it for a longer (20 mile) run yesterday and it started behaving correctly after a short while.
Last night I had the doors open for 3-4 hours as I fitted side steps which is clearly a drain on the battery, so this am it started with engine and full revs. I will give it a good run later today and see how tomorrow am is. I have disconnected the Dashcam (which was plugged with a garmin adaptor set for 10 hour parking cam) in the OBD port. I am hoping this drain overnight was the reason it was playing up. TBH I have cameras at home so only really needed the dash cam when driving. How do other P400e drivers power their dash cams? Thank you all again, glad to be part of a helpful, friendly forum. |
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20th Oct 2023 9:14am |
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| milesg7 Member Since: 13 Sep 2023 Location: Cheltenham Posts: 67
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..... and just seen this. Powerful UK cam tap, is NOT to be used on P400e..... does that point to an issue?
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20th Oct 2023 9:19am |
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| milesg7 Member Since: 13 Sep 2023 Location: Cheltenham Posts: 67
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Please can someone confirm, that even from a cold start, it should start in electric? The car is not doing this, and EV is only available after a good run, or if I turn the heater fan off. Got to wait a month for the dealer service team to fit me in.
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23rd Oct 2023 10:20am |
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| RDR Member Since: 27 Apr 2018 Location: Derbyshire Posts: 592
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It should start in the cold weather I think above -4c (need to check) we had all this with my RR which I am assuming is the same system.
If the matrix is fubar it creates a massive electrical load which trips the parameter to start the engine that's what was happening to mine. 110 MY23.5 X Dynamic HSE RR MY23 HSE PHEV D5 MY19 HSE - Now Sold D4 MY16 HSE Luxury - Now Sold D4 MY12 HSE - Gone D3 MY06 S - Gone but not forgotten |
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23rd Oct 2023 10:42am |
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| milesg7 Member Since: 13 Sep 2023 Location: Cheltenham Posts: 67
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Thanks RDR, I have put it back on the supplying LR dealer to book me in with them and sort quickly rather than waiting for my local main dealer.
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23rd Oct 2023 10:47am |
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| Harty Member Since: 20 Feb 2021 Location: London Posts: 28
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Milesg7 - see the link I sent you above. It's the same issue many of us have had with the p400e - HV coolant heater broken, which means the petrol engine has to run for a while for the coolant to heat up. This is why it won't start in the cold.
Take it to the dealer, who will replace the HV coolant heater under warranty. |
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30th Oct 2023 8:40pm |
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| milesg7 Member Since: 13 Sep 2023 Location: Cheltenham Posts: 67
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Thanks pal. Mine is going in on 21/11 which is the soonest my local LR dealer can do....
Appreciate your advice KR Miles |
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30th Oct 2023 8:43pm |
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