so lots of ecu's not showing up on diagnostic car config fails to work the radio screen is blank no sound it opens to give access to cassette slot
on the dash:
no indicator lights but indicators work no main beam light but they work same with the front and rear fogs
changed the sat nav and screen but still nothing
HELP

whats the condition of the battery?

seems ok

as you need to start somewhere ,the battery is the first thing you need to make sure is ok...get a drop test done on it..

Sounds like this one:

https://www.fullfatrr.com/forum/topic37575.html .
Experience is the only genuine knowledge, but as time passes, I have forgotten more than I can remember
Volvo V70 P2 2006 2.4 Petrol 170bhp Estate SE
MG Midget Mk1 1962

Previous: L322 Range Rover TDV8 3.6 2008; L322 Range Rover TD6 3.0 2002; P38A Range Rover V8 1999

and possibly this?

https://www.fullfatrr.com/forum/topic47332.html .
Experience is the only genuine knowledge, but as time passes, I have forgotten more than I can remember
Volvo V70 P2 2006 2.4 Petrol 170bhp Estate SE
MG Midget Mk1 1962

Previous: L322 Range Rover TDV8 3.6 2008; L322 Range Rover TD6 3.0 2002; P38A Range Rover V8 1999