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Marty
Marty, Mercedes Technician
Category: Mercedes
Satisfied Customers: 53850
Experience:  Bosch Certified Master Tech. Over 35 years experience.
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I got code po7015 on my Mercedes e430 and my wiper, horn and

Customer Question

I got code po7015 on my Mercedes e430 and my wiper, horn and blinkers are no working.
Submitted: 12 days ago.
Category: Mercedes
Expert:  Marty replied 12 days ago.

Hi, my name is***** disconnecting the negative battery cable for 30 minutes to reset the vehicle network. Let me know if everything works after the reset.

Customer: replied 12 days ago.
I did that and also I changed the conductor plate, plug, filter and oil
Expert:  Marty replied 12 days ago.

Have you run a quick test with the Mercedes tester?

Customer: replied 12 days ago.
What is that?
Customer: replied 12 days ago.
How you do that?
Expert:  Marty replied 12 days ago.

You need to get the car connected to the Mercedes factory scan tool or the equivalent to read and erase the fault codes in every module in the car. The transmission will probably be fine after you erase the codes. The vehicle network problem is most likely a fault with the front SAM. There will be fault codes that point to the network problem. You should also check all fuses in the front and rear fuse boxes.