So today on the way to work my trans lost ODon the highway..
The trans temp was around 185 so it wasn't in limp mode or anything.
Checked codes when I got to work and it was torque converter clutch failure.
Makes sence.
At lunch I unplugged my PCM for a min to reset the codes, took it for a few mile highway drive and it locked up fine. It also locked up fine on the way home.
Now I'm trying to squeeze as much life out of this trans as possible..
So, would fresh trans fluid/filter do anything to help TTC lock up?
I know it'* time for a new trans but I would just like to know if it could help.

I can't remember the code number but it did say 'torque converter clutch failure' on my actron.

lol. I think my trans is trying to commit suicide.

Last time I changed the fluid it did made a big difference.

No doubt.
3k stall, 3.29 (If i go with 4t65 HD parts), 3.33, or 3.43 final drive, possibly an 11 vane pump, still deciding on clutches, trans go kit, some sonnax parts, and some other goodies. I <3 sinking all my money into my car. Ramen noodles and Top Pop anyone?

Give the fluid a try Mike..it'* what? $30 max.

When my 2nd gear clutches started mucking up my fluid, the TCC lockup was failing about half the time. If it didn't lock up, I'd pop it in Neutral, turn it off, wait a couple seconds, start it, shift into D, and it would lock up.

Try that. Then go change or flush the fluid. It bought me time.

In my old 1994 SLE I used the same technique as Will, but I had to use Cruise Control to adjust the speed, up or down, or it would drop out of TCC Lock Up.
Towards the end I found I could leave it in gear and quick cycle the key off and back on for the same effect.

Good luck with saving what you have until you are ready for a new unit, but be rest assured that would never happen, at least not with my luck.

Ok great so there is hope to buy time.
Thanks guys.
BTW, shifted fine today too.