yes i do

I was suddenly thinking volume turned down but obviously not the case if you get the tone and message. Do the distances change from 2.55 or are they static? L405 SV Autobiography LWB SDV8, finished in Aston Martin China Grey by ETO division.

i will check when i get home

got one question .......do the parking sensors use the same module as the park assist ????

Presume you looked at the Workshop Manual in the Wiki?
And are using this diagnostic procedure? It's quite comprehensive starts with the basics dirt/paint on sensors, fuses /wiring etc. Then goes into the fault find list.

RANGE ROVER (LG), 413-13
PARKING AID
DIAGNOSIS AND TESTING

The first step A1 reads
When the parking aid system is activated, there is a vibration on the
parking aid sensor membrane. This can be verified by touching the
parking aid sensor face with a hard item such as a pencil, ball-pen,
small screwdriver, or fingernail. Ensure no damage is caused to
sensor painted surface
Down to step A12 which then confirms replace the Parking Aid Control Module

There is also a 54 page Description and Operation also in the 413-13 section which shows you all the sensor locations etc 2018 SE SDV8 4.4 Byron Blue

to be honset didnt do everything but will be doing alot more investigating over the next week or so

i am getting failed control module in live date on the gap tool .........will have a look when i find where it is

The parking aid control module is located in the luggage compartment, behind the left quarter trim panel of the luggage compartment.
The PACM has two connectors which provide power, ground and HS (high speed) CAN (controller area network) chassis bus connections, front parking aid sensors and rear parking aid sensors.
Worth checking those connectors for loose wires etc 2018 SE SDV8 4.4 Byron Blue

i did look on the right side where the second battery is (need to reset fbh remote got a new fob for it )
but didnt look on the left will look there ............ill get there in the end

what colour are the connectors going into the control module ....there not black -purple and yellow are they by any chance ?

No idea what the colour of your removable connectors are. But here is the wiring diagram with the individual wires in the connectors showing their colours.
eg Ignition is GN-BN (Green & Brown)

https://www.fullfatrr.com/gallery/albums/u...%20AID.pdf 2018 SE SDV8 4.4 Byron Blue

just been looking at removing the parking aid module (as gap tool says it faulty ) do you have to remove
the rear seat and several trim panels just to get to it or is there an easy way around it ?

Just remove the left quarter trim panel of the luggage
compartment. 2018 SE SDV8 4.4 Byron Blue

right found it my god is it tucked away or what ,and don’t tell me to get to it i need to a dozen panel pieces?.

Click image to enlarge

Click image to enlarge

what a faff just to get this out lol ….

Click image to enlarge