Quote:
Originally Posted by oab_au
I would still say its the TCU< or the plugs to the box.
Now it will only have R and 3 if there is no power to the solenoid pack in the box, the shift lever will select both R and the forward clutch, and as there is no solenoid action, they are all off so 3 gear.
So if you didn’t pull any of the plugs off, and only changed the TCU, I would say its a dud.
I can’t see the site that you linked to, but I can say that there were no firmware changes, other than the change to cover the different C solenoid that concerned the VTD cars, nothing that would cause your trouble.
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Dud confirmed! Corrosion along the edges of the board and a pair of leaky capacitors
It has been replaced with a functional box, and I'm no longer in limp mode! But now my FWD light is on (fuse is
not in). Any thoughts as to what my next troubleshooting steps are? I haven't seen anything on a quick search through the forums and
. Again, all of my duty solenoids were replaced after my voltage regulator failure so I don't think it's any issue with that. Is it possible I just need to drive the car for a while now that the transmission won't be choking itself? Hoping that its not any issue with the diffs...
Thanks for all the help thus far!