This is a super annoying thing.. hadn't had the code come on for a year.. got oil change at same place it went on the first time at and it came on almost immediately.. didn't get trans fluid changed.. but they did test the levels....cel turned off and on for a couple weeks and only problem was I needed inspection and it came on the day I made my appt.. :\ sheesh.. passed inspection after he reset and I came back.. but! The light came back on my drive home.. lmao.. but that was the last I've seen of it for a few months again. This code is dumb. My new used car shifts jumpier than the Toyota matrix that this code pops up on now and again... & major reason why I got a new car cause wondering if the matrix gonna crap out soon.. if your car isn't shifting weird and you have over 150,000 miles prob not worth investing loads into this issue as from what I've seen usually comes back on anyways even sometimes after people get trans completely rebuilt! pain in butt if cel goes on when you are going to get an...