Mokka 2015 trunk opening dont work

Hi have problem with opel mokka trunk opening , only works emergency

What i do:
-change latch -not help
-button was checked woyh multimeter its ok, bcm see that is pressed
-i check wirings from latch to BCM, all are ok
- i swap bcm for second one used, same problem

When i put 12V on blue white cable latch opening

What im missing?
txh for any help
Regards

Hi have problem with opel mokka trunk opening , only works emergency

What i do:
-change latch -not help
-button was checked woyh multimeter its ok, bcm see that is pressed
-i check wirings from latch to BCM, all are ok
- i swap bcm for second one used, same problem

When i put 12V on blue white cable latch opening

What im missing?
txh for any help
Regards

is original of car or retrofit?