Thread: ABS Issue

Originally Posted by m1sterb0b

Does the light have to be on when they test it, or can I bring it in any time? Because like I said, I never know when it comes on!

Just make sure it has come on recently, like within the last week. It does keep a history, but it will clear out after so long. So make sure it was fairly recent that the light was on. But no, it doesn't need to be on when they scan it.