When using the ECUHELP KT200 tool to read / write MD1CP001 - MRD1 in Mercedes Benz vehicles, if you got an error "ERROR SET0", look at the error message below. 

How to do next? 
Step 1: Open the KT200 Device
Hold the PCB board in your hand. 

Step 2: Locate the specific soldering point on the device. 
Refer to the provided images below for visual assistance in identifying the soldering point accurately.


Step 3: Solder the Point
Carefully solder the identified point on the ECUHELP KT200 device. Ensure the soldering is done accurately and securely. Take precautions to avoid damaging any other components during this process.



Step 4: Verify the Results
After completing the soldering process, KT200 device should now read / write MD1CP001  without displaying the "ERROR SET0" message.

Job is done!

Note: For further assistance or more detailed instructions, contact the ECUHELP customer support. 
Whatsapp: http://wa.me/8618205996549