Okay so everywhere i look it says either my 03 tl-s is having tranny problems or its a sensor but if its a tranny what options do i have to swap it with? ive done work on it but how hard is a tranny swap on this? are there many options for a new used or rebuilt tranny ive heard of swappig for an accord tranny how much modifications do you need to do to do this job? anyone have any write ups on transmission swaps on an 03 Acura TL-S???

 

Did you check the AV6 FAQ thread? If you 've done work on cars, this is a very doable DIY... There is no modifications at all, just swapping parts...

 

Your transmission is toast. It's not a sensor.

Check the AV6 swap FAQ thread. It's the only solution that was ever proven to work long term to the dreaded transmission failure problem.