Question about 1993 Mitsubishi Diamante

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Can you tell me where the TCu or TCm is located on a 1993 mitsubshi diamante

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From memory the engine and transmission computers are behind the centre of the dashboard near the floor. Removing the inner lower kick panels should allow access to them.

Posted on Mar 24, 2011


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I have a1999 c280 that wont shift scan code said turbine output sensor,i installed new conductor plate still had same code,fond fluid in tcu cleaned tcu and harness same code, replaced tcu with used tcu...

Everything I have read says... it must be PRE-PROGRAMMED
TO WORK correctly... (not-plug & play).

You need to post your original part number
Your TCM or TCU or whatever it is called
is definitely shared with OTHER Mercedes models

I have found them on AUDI...

Merc forums might be the place...

Most the meaningful dialog came from a single FORUM
"1994c220" (Go Hawkeyes...
a GRADUATE STUDENT, married & from 12 years ago)

Trans Control Module TCM

Car FORUMS & clubs get a lot off the point...
But this guy stays on course... but it is time for
heading into the wine country...

Later for whines
(I'm intellectually challenged on MERCs...
but I love the research (ROCKAUTO was no help on this one)...

Sorry about the SPAM answer f/Todd: that's all he does...!!

Carnac the Magnificent

Jan 06, 2018 | Cars & Trucks

1 Answer

I have a 1997 mitsubshi diamante changed the radiator not the car wont drive hand brake light is on. can shift into N and it grabs a little bit but not enough to go u hill or move out the parking space...

Check the transmission fluid,the transmission cooling lines connect to the transmission cooler which is located in the radiator, so check the transmission fluid,Have the vehicle in park and at operating temperature, pull the dipstick for the transmission and inspect the levle, if its low then add,now as for the hand brake light make sure the brake fluid cap is on and not out,

Nov 24, 2012 | 1997 Mitsubishi Diamante

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1992 honda accord tcu help

The first thing you need done is to have a tranny repair shop scan the "TCM" (not TCU) for fault codes.

Mar 23, 2017 | 1992 Honda Accord

1 Answer

What is the TCU/TCM code 7 mean?

Automatic Transmission Control Unit (also known as the automatic transmission computer or TCU/TCM). I am giving you this link so that you may read what may be the problem of your car.

Follow this link:

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My mitsubishi diamante 3.0 1993 has a problem

You will wanna start looking at the timing then

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The TCU is located under the glovebox and I think there is an inline fuse next to it.

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the tcu is on the right ( passenger) side footwell, under the carpet..the carpet has velcro tabs on it that will allow it to be pulled back...once the carpet is back there is a metal cover over the computers that is held on with 4 10mm bolts..take them out and you can remove the tcu!

Aug 09, 2008 | 1992 Honda Accord

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