TCU TCM question????
I have a 2003 E320 wagon. (Codes shown) Can I replace the TCU /TCM module with the one out of a 2000 wagon?
All the numbers look different.
help please.
Thanks in advance
Last edited by magicman320; Nov 5, 2017 at 08:13 AM.




Post your VIN and we can give you a list of TCM part numbers that will work.
Many of the views are the "spiders" used by Google and others to scan your post for key words to be used in internet searches.
Post your VIN and we can give you a list of TCM part numbers that will work.
Many of the views are the "spiders" used by Google and others to scan your post for key words to be used in internet searches.
I thought that’s what this site was about others helping others, not depending on others.
really appreciate the info.
What is the EPC?




https://epc.startekinfo.com/epc/home.jsp
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https://epc.startekinfo.com/epc/home.jsp
Can you give me your opinion on the codes?
Can i send you my Vin?
BTW...The tech did put the older one in the car today and it didnt seem to change anything.
I have the 2000 sitting in my driveway. It needs a bunch of things done (Cats, 2 window regulators, 4 springs. 2 front axles, AC work)
so i was going to drop that trans in the 2003.Just don't want to do all that work if i can get the 2003 running.




Can you give me your opinion on the codes?
Can i send you my Vin?
BTW...The tech did put the older one in the car today and it didnt seem to change anything.
I have the 2000 sitting in my driveway. It needs a bunch of things done (Cats, 2 window regulators, 4 springs. 2 front axles, AC work)
so i was going to drop that trans in the 2003.Just don't want to do all that work if i can get the 2003 running.
The code shows as "stored" but not current. That indicates a failure in the past but the fault is not currently active. Not knowing what, if any, work was performed on your transmission, you must clear any electronic fault codes using DAS or equivalent (I'm not familiar with the capabilities of your unit). Until cleared, the car will remain in limp mode (2nd gear and reverse only).




This is the part number for the VIN you sent me.
What exactly is wrong with the '03 transmission? What codes are you getting? See this post to get an idea of what codes you should be seeing if there is a transmission fault.
https://mbworld.org/forums/w210-amg/...ml#post7299648
If you have access to DAS this post will show you how to determine transmission health:
https://mbworld.org/forums/w211-amg/...rmination.html
I don’t smoke at all!!
That is a pic of the mechanics Scanner.
If you can suggest the correct scanner to get, i will get it.
And...i don’t eat hotdogs and Im not married!👍🏾👍🏾
FYI: One of my sets I use XDOS with a C4 mux on a Dell laptop that I installed the software, total cost NOYB
Are you here to help? If so, I’m willing to listen and learn. The same thing you had to do when your depth of knowledge about automobiles was subpar.
no problem .
is there a specific (brand) I should get?




Photobucket made new anti-hacking software in last days, so hosted pictures do not show even if you have older fix.
So reload the pictures to imgur or similar and repost links so we can see what dispute is about.
Per my perception about 90% + of transmissions or electric plates on those cars are replaced simply becouse mechanics don't know how to troubleshoot them.
You can spend almost a grand on C4 + laptop scanner what will give you the option to deal with it yourself, but those scanners will not help much with newer models coding,
I am using MaxiEcu what is way cheaper alternative, but with some limits as well.



