I have a similar problem to the linked thread with no reverse on my 2006 Micra. Forward gears work fine.
(K12 micra auto no reverse)
Looking to fit a new gearbox and wonder if the later gearbox is compatible?
Nissan Micra ( K12)SVE Auto 1.4 16v (87 bhp)
Automatic Gearbox: 3CX0BVA...