540 E34 trans fail mode EGS with AGS

[632 Regal]

Thought I started a thread on this new project but I can't find it. So it doesn't exist yet.

Bought this 10/95 95 540 a while back with a bad trans issue. It will go forward in 'M' mode and in 'D' it's like the trans in in reverse and forward at the same time, goes nowhere. To reverse the clutches are shuddering, low on fluid is my best guess. Didn't check yet. Dash lights are like Christmas trying to tell me something.



Any trans issue with an asc + T issue could be anything, even a low pressure tire, dirty magnetic speed sensors at the hubs etc. It is really ridiculous and I haven't really had the space to investigate. A low fluid trans with the wrong computer could be a simple fix I think.

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I did take a pic of the trans computer 0260002321 1421968 LT which comes up as a mystery box on real oem (above). Searching the 'net comes up with all sorts of results, none would I trust.

I did cross the original that this car 'should' have
24 601 422 025 LT is the original replacement from 11/92 - 12/95
Was available from 12/93

This replaces older computers
24 611 421 658 from 3/93
24 611 421 513 from 10/92
24 611 421 007 from 07/92


So I am guessing my computer is for some mystery box trans that just don't work.

I will update as I move forward.