Evening all, im sure its been asked before, rear doors, fuel flap & tail gate wont open, having to lock & unlock several times before they open, anyone had dealings with issues like this please?

Perhaps also with heavy steering when it happens?
When I had this problem, it was the Body Control Unit/Module (BCM/BCU).
See:
http://www.fullfatrr.com/forum/topic34640.html
http://www.fullfatrr.com/forum/topic41920.html
and others – do a search!

 It's "bébéchoon", ackcherly, with accents. 'Steve' to my chums.
20 years ownership of Solihull products, ALL GONE NOW, sniff!
Current motor: Suzuki S-Cross 4WD auto, 1.4 petrol. Oh so reliable! 8 years now and no problems. Oh, all right then, a leaking shocker replaced under guarantee.
Previous:
TD6 HSE L322 Auto FF
2.5 TDi 4-door Classic
Disco II
And my 1st Rangie: in 1995, a 2-door VM 2.5 diesel Classic
Not to mention the Lada Niva before those. (I said not to mention it!)