Board Thread:General Discussion/@comment-10732131-20150820210338/@comment-1824272-20150821023944

@Black Bee One: I gathered that he switched to his SP weapon and then back again and the lock-on restored itself after that.

@Overlord ray: Check for any damages on your disc or your PS2. This includes dust; anything physical that shouldn't be there can cause all sorts of glitches in PS2 games.