How to fix tailgate lock Nissan Micra?

Nissan Micra 2008
Tailgate becomes unlatched without warning, moving or stationary. Have tried to lubricate but inconsistent.
Is this an electrical fault or mechanical?
Can it be repaired or will it be necessary to replace part or all of the mechanism?
Richard, April 2018


link Click here to see other fixes for Nissan Micra.