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Well the good news is that they got the solenoids switched out. The bad news is that the problem persists. Now they suggest I need a new TCU. Whacho think?

Nobody have a parts source? I'm dying here.

For 500 bucks, yes I agree. I'm hoping I can buy just the solenoids.

OK, finally got the tran shop on the right path thanks to all the help here. Now we can't seem to find the set of three shift soleniods anywhere local. We can buy them as part of a "Master rebuild kit" but that's nearly 500 bucks. Anyone have a source for just the solenoids? Somewhere I ca...

Yes and yes.

Sorry, I should have said I did that. Told me that one of the shift solenoids was shot. Transmission shop said they were fine and that they could not duplicate the problem. Any more advice?

As info my car is a 93fwd auto trans. Sometimes my car will slip into what I call "unauthorized" manual mode. When it happens, it doesn't matter where I put the gear selector, D,3,2, or 1 the car only uses 2nd and 3rd gears. It's as if I pushed in the manual button and put the selector in ...

Back from the dead: My TCU tells me that Shift solenoid 2 is shot. Where's that located? External to the bell housing? Should I do 1,2, and 3 at the same time?

Thanks in advance!

OK, Ok. Soooo hypothetically if the blinks wanted to "tell" me code 23 is the problem then it would blink TWICE SLOWLY and THREE TIMES FAST like:

bliiiiiiiiink, bliiiiiiiiink,,,,,,blink,blink,blink

right?

Sweet! That helps a ton.

One question though. How do I understand the trouble code table? For example, if I have a bad "Duty solenoid A" will the power light blink 11 times?

I'm having the same problem with my 93FWD. I've noticed that most times the "power" light comes on for a sec or two right at startup. When that happens USUALLY it'll shift fine when left in "D". But sometimes the "power" light flashes quickly at startup. When that happe...