Member Since: 09 Sep 2011
Location: Aberdeen
Posts: 32
D4 2015 DSC and now car dead
Missus was driving car (2015 D4) DSC warning light came on, system advised dropping suspension? She got home no problem and locked and up came to tell me, car unlocks and ignition is dead (no illumination at all on dashboard) interior lights come on and radio can be switched on but no ignition when pressing start/stop (with brake pressed) checked battery and plenty of juice? Appreciate any pointers before contacting garage.
11th Sep 2021 2:52 pm
Down&Dirty
Member Since: 17 Aug 2012
Location: Somewhere out back
Posts: 1293
Could always try hard reset MY24 Defender 90 X-Dynamic HSE
MY18 Disco 5 HSE Santorini Black Now Gone.
11th Sep 2021 3:01 pm
discovirgin
Member Since: 09 Sep 2011
Location: Aberdeen
Posts: 32
Thanks for the reply, a hard reset, not for the faint hearted, little wary as this can sometimes cause even more problems? May have to get hold of local indy on Monday.
11th Sep 2021 4:03 pm
grzesiul
Member Since: 11 May 2008
Location: UK
Posts: 6405
do hard reset only make sure to keep terminals connected for like min 10-15 secs
one tons of times nothg scary just have to reset clocks and later
if helps easy win if not get car scanned
one more thing does ignition button lights up? if not might be as simple as start button cables behind it loose or button fooked? easy to pull it out and check
G
11th Sep 2021 4:07 pm
discovirgin
Member Since: 09 Sep 2011
Location: Aberdeen
Posts: 32
Tried the hard reset, no difference, looks like garage on Monday! Will check breakdown cover we have with insurance aswell.
Could it be a faulty earth lead? These are a common failure point. Try putting a jump lead from the -ve terminal to the engine. I think there are plenty of other posts on here that should provide better information than I have.
Have you checked the brake light switch? It needs that for DSC as well as to allow the engine to start. It is probably something that simple.1972 Range Rover Classic 2 door V8
2013 Land Rover Discovery 4 HSE - SCRAPPED
2016 Land Rover Discovery 4 Landmark
2022 Volvo XC40 T5 PHEV 282HP FWD 3 cylinder!
11th Sep 2021 5:04 pm
discovirgin
Member Since: 09 Sep 2011
Location: Aberdeen
Posts: 32
I've had that go on a VW Caravelle but it still allowed all the lights and ignition to light up. Does a faulty brake switch light on a D4 kill all the electrics? I might have a go at that tomorrow, any easy ways to test other than getting a replacement?
11th Sep 2021 5:28 pm
discovirgin
Member Since: 09 Sep 2011
Location: Aberdeen
Posts: 32
Problem Update
Update, had a mobile mechanic come around and plug in a diagnostic unit, strangely nothing came up, swapped out the unit for a complete second unit and again no errors but recognised the car?? After routing around the obvious suspects the conclusion is that it could be the smart key transmitter that is part of the ignition system is U/S and its not picking up the smart key to activate the start/stop ignition button.
I will contact the indy Landrover garage I use and hopefully it will be a straight forward fix, what are the chances!!
What diagnostic tool did they use? Which unit was swapped out?1972 Range Rover Classic 2 door V8
2013 Land Rover Discovery 4 HSE - SCRAPPED
2016 Land Rover Discovery 4 Landmark
2022 Volvo XC40 T5 PHEV 282HP FWD 3 cylinder!
12th Sep 2021 2:01 pm
discovirgin
Member Since: 09 Sep 2011
Location: Aberdeen
Posts: 32
Sorry no idea, the first one was a unit that plugged directly into the diagnostic port, the second unit was a Bluetooth type unit. Guy was ex BMW mechanic, seemed to know his stuff.
12th Sep 2021 2:05 pm
robpenrose
Member Since: 12 Jan 2016
Location: Surrey / SW London
Posts: 2138
How does the car lock / unlock if it doesn’t recognise the key?
Current: D4 HSE
Previous: BMW Z4M Coupe
Previous: Land Rover Defender 90 CSW Td5
Previous: Land Rover Discovery Td5 ES
12th Sep 2021 2:27 pm
discovirgin
Member Since: 09 Sep 2011
Location: Aberdeen
Posts: 32
The sensor/module for the remote locking is separate from the sensor/module for the keyless ignition. The sensor for the keyless ignition, once the keyfob is inside the car is on the steering column.
12th Sep 2021 2:35 pm
nigethecat
Member Since: 11 Sep 2016
Location: Marnoch
Posts: 4244
Sent you a pm...I want to see the sweets before I get into your windowless van... I'm not stupid!
Corris Grey D4 Commercial SE 2016
Zermatt Sliver 2007 D3 SE manual (gone)
Indus Silver D4 HSE 2015 (gone)
Bonatti Grey D3 HSE 2006 (gone)
White D3 S (LHD) 2007 (gone)
Firenze Red D4 HSE 2014 (gone)
Black RRS 3.6TDV8 2008 (gone)
Rusty Green Defender 110 1997 (gone)
Black FL2 HSE 2013 (gone)
12th Sep 2021 3:33 pm
discovirgin
Member Since: 09 Sep 2011
Location: Aberdeen
Posts: 32
Update
Mobile mechanic eventually got the car fired up and managed to run a diagnostic, the only fault that wouldn't clear is on the suspension control module, possibly a starting place? Unfortunately this was short lived and car now dead again, arranged for uplift to local Indy. On that subject I will have to manually over-ride the auto gearbox "Park" position and also disengage the electronic handbrake, this seems simple enough and is done by accessing the over rides accessible once cup holder removed, are these simply re-instated?
I have managed to park the car with wheels straight for going on a recovery truck but is there any way to over-ride the steering lock?
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later
