It is likely to have been the wastegate seized or miss adjusted if the turbo over boosts the ecu will cut the fuel generates a horrible kangaroo effect especially noticeable in 3rd 4th and 5th under hard acceleration going up hills etc.
If the nanocom is locked out make sure you have all of your codes do a software restore but overwrite the configuration files that will set it back to how it was from the factory then re enter your codes
When is the misfire ? I thought I had a misfire under load in 3rd and fourth Turned out to be a seized wastegate and it was over boosting so cutting fuel