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Home > Technical (L405) > 2019 L405 ATB LWB deployable steps not working
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Stuart-



Member Since: 16 Dec 2017
Location: UK and Hong Kong
Posts: 402

United Kingdom 

The step only sits on the hinges in like a half-inch recess, so if you lift it at the back, you should be able to manipulate it off.

Unless it has a body kit or US cars differ in some way. 2017 4.4 SDV8 Autobiography in black
2018 D300 SE Velar in champagne
1982 Rolls Royce Silver Spirit in green

Post #719085 3rd Jun 2025 1:24pm
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noone



Member Since: 05 Apr 2025
Location: Florida
Posts: 56

United States 

noone wrote:
Previous owner, original owner said he turned them off because it was hitting his shins and he’s 6’4”. I have no reason not to believe him. They just don’t turn back on.

Will check fuse.


Is there a fuse diagram somewhere? I found one but am wondering if it’s correct.

Which pin is power on the DCSM connector? Red wire? Can I just check for 12v on the connector after pulling it out of the DCSM? 2023 L460 Range Rover SE P400
2019 L405 Range Rover ATB LWB

Post #719166 4th Jun 2025 9:25pm
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Kot



Member Since: 10 Mar 2021
Location: Broadland
Posts: 1381

United Kingdom 

Loadspace fuse box
F39 is a 30A fuse https://www.ownerinfo.landrover.com/docume...5/G2191471

Also same fuse box there is Fuse link FL1 (top left) for deployable steps and probably deployable towbar Module.
I had an issue once with a frozen amp and by pulling the fuse and replacing same it did nothing, but when I pulled the associated Fuse Link it reset the module. Maybe you will be lucky and thats all it is?



Here is the diagram below showing F39 and FL1 feeding module

https://www.fullfatrr.com/gallery/albums/u...earJB3.pdf 2018 SE SDV8 4.4 Byron Blue

Post #719208 5th Jun 2025 4:00pm
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noone



Member Since: 05 Apr 2025
Location: Florida
Posts: 56

United States 

Thank you. I had already pulled F39 (it’s a 15 amp fuse in my 2019) and it was fine. I’ll check the F1 fuse! 2023 L460 Range Rover SE P400
2019 L405 Range Rover ATB LWB


Last edited by noone on 20th Jun 2025 1:23am. Edited 1 time in total

Post #719232 5th Jun 2025 8:20pm
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Kot



Member Since: 10 Mar 2021
Location: Broadland
Posts: 1381

United Kingdom 

Its FL1 by the way not F1 Thumbs Up 2018 SE SDV8 4.4 Byron Blue

Post #719251 5th Jun 2025 9:59pm
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Kot



Member Since: 10 Mar 2021
Location: Broadland
Posts: 1381

United Kingdom 

Here is the outputs for the module

https://www.fullfatrr.com/gallery/albums/u...owbar1.pdf 2018 SE SDV8 4.4 Byron Blue

Post #719255 5th Jun 2025 10:24pm
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