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I still have problem with my car Mercedes S430 4matic you…

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Hi i still have problem...
Hi i still have problem with my car Mercedes S430 4matic you remember me that is transmission problem p0702 code and p20d6
Submitted: 1 month ago.Category: Mercedes
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Answered in 5 minutes by:
3/10/2018
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 month ago
Lou P. master tech
Lou P. master tech, Mercedes Technician
Category: Mercedes
Satisfied Customers: 5,735
Experience: 20 years Master Certified excellent fix rate and have access to factory wiring, and instructions.
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Hello, my name is***** and i will do my best to assist you.I am going over your story now and will reply back soon with some info,thanks!

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Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 month ago

Hello again, where are we at with the car?

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Customer reply replied 1 month ago
I live in Charlotte NC
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 month ago

lol, no, i mean what point are you at with the diagnostic lol

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Customer reply replied 1 month ago
I’m check wire Wichita you tell me
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 month ago

looking at photos now

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Customer reply replied 1 month ago
Power on one 2.5 on second 2.4
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 month ago

ok, so you testing this at the control module connection with it unplugged yes?

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Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 month ago

so with the launch, lets hook it up and go through screen by screen together.

lets make sure we are selecting the proper car and model and trans .

all seems good man if you have that voltage at the can connection, and you have power and ground at the module.

you should have communication.

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Customer reply replied 1 month ago
I can’t connect to the tcm. I’m trying yesterday and tell me turn on egnition
Customer reply replied 1 month ago
In dtc I read code p20d6
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 month ago

let me see your scanner

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Customer reply replied 1 month ago
On my scanner sowe the same what I send you on picture
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 month ago

no i want to see the scanner itself

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Customer reply replied 1 month ago
Ok I take pictures in Monday because I’m not on work now
Customer reply replied 1 month ago
I worked before lunch
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 month ago
Ok gotcha, i think your scanner might not be able to read the trans because its not correct for the car
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Customer reply replied 1 month ago
I’m trying scanning with the two different computer
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 month ago
I would like to see these computers. If you have power and ground and the voltage on the can wires then you should be able to communicate . So we either are choosing the wrong car or the scanners are not good enough or the module is bad but you said you replaced it already correct?
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Customer reply replied 1 month ago
I’m change computer
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 month ago
Ok. So ill need to see the scanners.
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Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 month ago
Ok i just review the scanner and i am correct. Your scanner CANNOT read ANYTHING more than the airbag, engine , and traction system. You need aicarsoft MercedesCheck ebay and amazon
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Customer reply replied 1 month ago
Hi I think this is problem not in scanner because my uncle has good tools and his can’t connect to the TCM
Customer reply replied 1 month ago
This problem something different
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 1 month ago

yes just like that picture

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