Thread: Throwing code P1811

If you put in the shift kit.. it'll take care of the issue to the point that it won't cause further problems in the trans. Essentially..it's masking the problem by shifting a little faster/firmer than stock.

As mentioned, the shift kit is a "band-aid" solution. With that being said, my band-aid has been holding up for 4 years now (daily driving). I didn't do the trans cooler, and I do run warm in the summer (as highs as 208*), so I would recommend doing that too. Doing this will help the trans live a longer life as to high of line pressure is a trans killer.

Here is a good thread to read: http://www.grandprixforums.net/threa...Shift-Solution

Here is my install: http://chrisb.users.superford.org/Gr...Shift_Kit.html