Disco 2 3 amigos. It's happened to me now ....

Yep, the dreaded 3 amigos plus the handbrake light.
My Nanocom says it's the right rear sensor intermittent, so since I intend to change over my wheels for the "winter set" at the weekend, I'll scrutinise it with an "intense scrute" then.
The thing that can throw some people is the appearance of the handbrake light at the same time. Looking at the wiring diagrams for the D2 would suggest that there are just two inputs to that light; the handbrake warning switch and the brake fluid level warning switch.
However reading some of @sierrafery's earlier posts, they would suggest that there is another connection between the SLABS ECU and the handbrake warning light, but it doesn't seem to appear on the drawings, maybe it's somewhere in the intrument pack ..... Ho-hum!

Hi, the red brake warning is supposed to be part of 3 amigos actualy they should be 4 all the time but in reality it doesnt happen this way and i observed that it comes on near the ''classic'' 3 amigos on sensor related fault codes...the diagrams are not 100% accurate in some cases but read the description of the warning lamp in the workshop manual instruments section and the diagnostic protocol table in the brakes system description and operation(it's named "Brake" there) also in 90% of cases intermittent sensor related codes are caused by the hub not by the sensor itself

Yeah, thanks @sierrafery mate, that's what I was afraid of, it would be the hub rather than just the sensor.
That's the "table of faults" which I had already seen when I referenced "some of your earlier posts".

For those of you with access to the RAVE wiring diagrams, the error in the "brake warning indicator" can clearly be seen when you compare the drawing for the "Discovery Series II 2003, Export" with the English version.
The connection to the SLABS ECU is made at the "Header 0285 (K109)". On the export drawing that extra connection is shown.

Yes and the output for it is shown in the Workshop manual too at Brakes description, SLABS's pinout as being from C0504 pin 9 so the mistake is in the intrument pack's electric diagram as that "Brake warning" is considered only for low fluid and handbrake and named that way