Coding of headlamp control unit

Jamie Owner/Technician Greenwood, South Carolina Posted   Latest   Edited  
Question
Electrical
2014 Mercedes-Benz E350 3.5L (276.952 Gas) 7-spd (722.9)
Led

Having trouble coding the headlamp ECU and the actuation module for the right headlight. Using the autel. I got to the point of needing to scan a qr code off the old module and can't finish because I can't get it to scan because of corrosion on the code. Now in the process I have also lost the left led marker light. Any advice would be great

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Hero Diagnostician
Doezum, Netherlands
Hero Default
   

You must scan the qr code on top of the headlight.

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Alan Diagnostician
Glenrothes, United Kingdom
Alan Default
 

Do these models not need online access for scn coding ?

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Hero Diagnostician
Doezum, Netherlands
Hero Default
 

I must say i did it with pass thru for Mercedes, but needed to scan the led qr code on top of the headlight and after this scn coding.

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Jamie Owner/Technician
Greenwood, South Carolina
Jamie Default
 

I got it. Thanks. Now fighting with no low beams on right front. Oh what fun

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Phillip Diagnostician
Anchorage, Alaska
Phillip Default
 

What was the solution if you got this all figured out?

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Jamie Owner/Technician
Greenwood, South Carolina
Jamie Default
 

Still working with this one. The qr code on the headlight assembly was the correct one. But apparently when body shop installed the old modules on new headlight it knocked the led element out in the new light. Body shop has a new one on the way. Insurance company not very happy.

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Tom Engineer
Claremont, California
Tom Default
 

Hi Jamie, If you've solved the issue, please reply to your original message with the resolution. You'll be able to choose "Resolution" as your reply type, closing your question. Thanks! More info here: diag​.​net/help#asking-fo…

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Mohammadu Diagnostician
Auckland, New Zealand
Mohammadu Default
 

Hi bro , Try with Launch Pad scanner it will work nicely.

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