Vauxhall Corsa tailgate won't unlock

Could check fuse #14 , if not that , likely to be faulty lock assembly which you will have to access via the inside to open and check after removing trim Fuse Layout Opel Corsa E / Vauxhall Corsa E 2015-2019 Assignment of the fuses in the engine compartment (2018, 2019) № Circuit 1 ABS pump 2 Front wiper 3 Blower 4 2018: Instrument panel 2019: Seat heating 5 Cooling fan 6 2018: Diesel fuel heater 2019: Not Used 7 Transmission 8 Cooling fan 9 Cooling fan 10 Cooling fan 11 Starter Advertisements Instrument panel Instrument panel fuse box diagram: Opel/Vauxhall Corsa E (2018) Assignment of the fuses in the Instrument panel (2018, 2019) № Circuit 1 - 2 - 3 Power windows 4 Voltage transformer 5 Body control module 1 6 Body control module 2 7 Body control module 3 8 Body control module 4 9 Body control module 5 10 Body control module 6 11 Body control module 7 12 Body control module 8 13 - 14 Tailgate 15 Airbag system 16 Data link connection 17 Ignition 18 Air conditioning system 19 2018: Sunroof 2019: Not Used 20 Parking assist/Rain sensor/ Front camera 21 Brake switch 22 Audio system 23 Display 24 - 25 Auxiliary jack 26 Instrument panel 27 - 28 - 29 - 30 - 31 Horn 32 - 33 Heated steering wheel 34 - 35 Tyre repair kit 36 - 37 Rear wiper 38 Cigarette lighter 39 Power windows/Sunroof/Automatic transmission display 40 -