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My name is ***** *****. My rear is faulty as a result of my…

Customer Question
Hi, my name is...

Hi, my name is ***** *****. My rear sam is faulty as a result of my s430 took in water from my drainage clogged. I confirmed that all the fuses on the sam are ok and it is getting power from the battery on the large wire.

Mechanic's Assistant: Thanks. Can you give me any more details about your issue?

My issue is that I replaced the module with a used one from a similar car model with a matching sam. the model number on the sam were different but I have researched that it was compatible with my car. The issue is that I installed the used module and it did not make any changes

Mechanic's Assistant: OK got it. Last thing — JustAnswer charges a fee (generally around $18) to post your type of question to Mercedes Experts (you only pay if satisfied). There are a couple customers ahead of you. We can help you for less if you're not in a rush. Are you willing to wait a bit?

I will be willing to pay if I will be getting the info that will get me to a solution

Submitted: 2 years ago.Category: Mercedes
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Answered in 20 minutes by:
1/18/2016
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 2 years ago
Lou P. master tech
Lou P. master tech, Mercedes Technician
Category: Mercedes
Satisfied Customers: 5,895
Experience: 20 years Master Certified excellent fix rate and have access to factory wiring, and instructions.
Verified

Hello, so was of this point what does and does not work with your car?

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Customer reply replied 2 years ago
hi, my rear indicators, fuel level, truck close, truck light and more features
the rear sam is faulty. I did some research on my error messages of "defective display" etc, and it leads me to the rear sam. I disassembled the sam and saw that the circuit board corroded and damaged.
Customer reply replied 2 years ago
I got a used module which I researched to be compatible with my vehicle, but it did not make a difference. I was told that the used module was already programmed
Customer reply replied 2 years ago
I confirmed that all the fuses on the modules were ok and have power on them
Customer reply replied 2 years ago
I dont know what I am missing. I am a trained mechanic but this issue is new for me.
Customer reply replied 2 years ago
r u there?
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 2 years ago

SORRY I AM HERE

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Customer reply replied 2 years ago
k
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 2 years ago

ok so you changed the sam and nothing still works correct?

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Customer reply replied 2 years ago
right and I am seeing the same errors on my screen
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 2 years ago

ok,. so have you had a scanner put on it to check codes?

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Customer reply replied 2 years ago
I did and there were lots of codes even for other modules. I was thinking of clearing them and see what are current issues from old codes. but I didnt
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 2 years ago

ok so first this is to document the codes, then clear them and see what returns, then we can trouble shoot

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Customer reply replied 2 years ago
okay. gonna take about 10 - 20 min. I will do that and let you know.
Mercedes Mechanic: Lou P. master tech, Mercedes Technician replied 2 years ago

no problem, I am in no hurry, I will have to leave for a bit and I will check back later tonight so I will be gone between 3:30 and maybe 6 or so but I will still receive your message so feel free to send me whatever info you can get. and also what scan tool are you using?

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