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-   Range Rover L405 (Fourth Gen) (https://landroverforums.com/forum/range-rover-l405-fourth-gen-59/)
-   -   Permanent Disable of Inteligent Start/Stop (https://landroverforums.com/forum/range-rover-l405-fourth-gen-59/permanent-disable-inteligent-start-stop-118534/)

NewRover08 Aug 27, 2023 12:17 PM

Permanent Disable of Inteligent Start/Stop
 
Hello! Does anyone know which exact plug to disconnect to permanently disable the start/stop on a 2020 RR P400?

Thank you very much!

GarrettSD Oct 20, 2023 09:25 AM

I can do this via coding. I'm in San Diego though

vogelbaugh Jan 7, 2026 12:38 PM

ours was programmed when we bought it used, and the programming was wiped when i changed the battery. i am just waiting for the starter to go our because of the constant stop and start. i know you can code it, i just cant find anybody here in AZ who will do it for less than 300$

jwest Jan 17, 2026 04:26 PM


Originally Posted by NewRover08 (Post 875019)
Hello! Does anyone know which exact plug to disconnect to permanently disable the start/stop on a 2020 RR P400?

Thank you very much!

For anyone finding this old thread, there is no need for a "permanent" disabling because you can simply assign the CCF to just stay as it was left during previous operation. Meaning, engage the button to turn the stop/start off, and the next time you come back to start the engine, it will still be like that, off.
We use the GAP iidtool to do this. It works on my RR as well as on new Defenders.

There is a long thread on here in the 2020 defender section about GAP tool codes and things to customize.

localbrew Mar 30, 2026 01:45 PM


Originally Posted by jwest (Post 942979)
For anyone finding this old thread, there is no need for a "permanent" disabling because you can simply assign the CCF to just stay as it was left during previous operation. Meaning, engage the button to turn the stop/start off, and the next time you come back to start the engine, it will still be like that, off.
We use the GAP iidtool to do this. It works on my RR as well as on new Defenders.

There is a long thread on here in the 2020 defender section about GAP tool codes and things to customize.

Can you do this coding with Autel?


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