In this case, you can resolve the issue by modifying some in-game control options so that Rocket League uses Steam Input. Rocket League is not using Steam Input – If you’re encountering this issue with an Xbox One controller, it’s possible that the issue is occurring because the game is not configured to use Steam Input.The easiest way to do this is to use a 3rd party utility capable of translating XInput calls to DirectInput calls.
This means that if you want to get them to work properly, you need to to go through some extra configuring steps to ensure that it gets detected successfully.
If this scenario is applicable, a Device Manager investigation should reveal if the controller is correctly installed or not.
The controller Settings menu is incorrectly configured – Another possible cause for this problem is instances where the Controller Settings menu is not configured properly.If this scenario is applicable, you can resolve the issue by ensuring that Steam Input Per-Game setting is Forced Off. Steam Input Per-Game setting is enabled – There are a lot of reports where this particular Steam Big Picture setting ended up creating the controller issues while it was turned On.