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Kess connection error

Hi, i have a clone kess v2 that each time i want to write it will give the following error when it start to write or before finishing, any help?
Thanks given by:
battery voltage at the ecu
this is not the same as battery voltage at the battery
a bad earth or power line into the ecu could cause this,
an issue in the kess leads
try battery charger to car and power supply to kess and computer, or another laptop
some laprops give 3v on usb some 5v on usb but either can give to low an amperage on usb
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Thanks given by: Robert AMG

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