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Just wanted to let you know that I found the right TCU and it solved the problem. Lockup works again.

Jarek

Thanks for your input, I appreciate it.

Jarek

The badge under the hood says that the original transmission in my car was a TZ102ZG23A. My TCU is a 31711AB583 (somehow I can't find any of these parts in the '90-'94 Parts Catalog that I have). My current transmission is a TZ102ZA2AA-MH and according to the catalog it was originally paired with th...

Thanks for your interest! The power light doesn’t blink and no codes are stored in memory. I’ll try to find a different TCU but I’m afraid it will be difficult. Checking fluid level is tricky and to tell you the truth I’m never 100% sure if the level is correct. It’s hard to tell what is the fluid t...

Hi, I drive a '92 Subaru Legacy 2.2 and i have a problem with it's automatic transmission. What happens is that when it shifts to 4 gear, after a couple of seconds of driving with constant speed, AT locks up and rpm go down by +/- 500 but then after about 30 seconds it simply unlocks and doesn't loc...