Though Nintendo has previously addressed the issues some Nintendo Switch owners have experienced with syncing left Joy-Con controllers, the company has now confirmed the source of the problems.
In a statement provided to IGN, Nintendo of America has confirmed that “a manufacturing variation has resulted in wireless interference with a small number of the left Joy-Con.” The statement says there is no design issue with the controllers and that “moving forward this will not be an issue.”
The statement from Nintendo of America in full reads:
“There is no design issue with the Joy-Con controllers, and no widespread proactive repair or replacement effort is underway. A manufacturing variation has resulted in wireless interference with a small number of the left Joy-Con. Moving forward this will not be an issue, as the manufacturing variation has been addressed and corrected at the factory level.