Mercedes EIS Mileage Correction Manually - CGPro failed write. Autel XP400 works
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- Опубликовано: 5 сен 2024
- in this video I show you the long winded process of manually finding and editing mileage data in and EIS from a Mercedes Vito 639. CH Pro, after failing the process is just used for quick referencing of our changes.
Replacement of the Mercedes EIS or ignition switch is fairly common.
On this type of Vito 639 EIS there are 2 separate chips holding important information. These are 1L02M HC08 processors.
Sometimes you need to deal with a car with either no EIS (it's usually been stolen) or it is totally dead so cannot read original info. And in some cases you just need to modify the mileage.
the CG Pro is meant to have the capability to carry out this work but constantly fails to write. I think it is to do with it not automatically changing the security bytes, but it also has no info regarding them so isn't really much use.
The Autel XP400 however works perfectly. People do not see this as a mileage correction tool. That is because it does not come with the software or calculators required, but at the end of the day it is a programmer that reads and writes plenty of chipsets so can be used for a wide variety of things.