Transmission Control Module Location - Mercedes-Benz Forum
 
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#1 (permalink) Old 05-27-2010, 11:00 AM
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Transmission Control Module Location

From the transmission valve body electrical connection where do the wires go.

Do they go to the ME computer on the pass side? Need to check for wicking.

Everyone keeps talking about a TCM but the only one I can think of is the valve body conductor plate.

The pass side computer bin in the engien compartment just has a SAM and another computer in ther that I think is for the ME. Nothing else.

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#2 (permalink) Old 06-01-2010, 02:20 AM
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Originally Posted by TheBenZo View Post
From the transmission valve body electrical connection where do the wires go.

Do they go to the ME computer on the pass side? Need to check for wicking.

Everyone keeps talking about a TCM but the only one I can think of is the valve body conductor plate.

The pass side computer bin in the engien compartment just has a SAM and another computer in ther that I think is for the ME. Nothing else.
Hi xxx.

In your MY its inside the transmisson.

Cheers, Frank

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#3 (permalink) Old 06-01-2010, 03:23 AM
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If you have the 722.9 Transmission then Frank is correct. If this is the case and the module has to be changed you will have to change the valve body as well, so I would seek professional advice first.

ERIC.

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#4 (permalink) Old 06-09-2010, 11:53 AM
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Get this,

Dealer pulled the VIM and it showed the TCM being changed at 54K miles at a dealer. There is now 66K on the car and its coming up with the same issue (TCM) again. Man it sucks I am not the orig owner of the car. Think transmission fluid would be wicking up the wire to the next computer up form the TCM?

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#5 (permalink) Old 06-09-2010, 09:06 PM
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Originally Posted by TheBenZo View Post
Get this,

Dealer pulled the VIM and it showed the TCM being changed at 54K miles at a dealer. There is now 66K on the car and its coming up with the same issue (TCM) again. Man it sucks I am not the orig owner of the car. Think transmission fluid would be wicking up the wire to the next computer up form the TCM?
Again if this is indeed the 722,9 tranny then the TCM is inside the tranny so the wick effect does not come into play. And yes this sucks.

ERIC.

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- George Bernard Shaw to Winston Churchill.

"Cannot possibly attend first night, will attend second ... if there is one."
- Winston Churchill, in response.
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