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How to program Mercedes ZGW Gateway control module.

How to program Mercedes ZGW Gateway control module.

The Mercedes ZGW Gateway control module also known as Mercedes ASSYST  module or ASSYST  plus. This gateway module which allows different systems to communicate with each other, also it stores vehicle maintenance ( service history ). If your Mercedes has a bad gateway module and not communicating with other ECUs you will need to replace it. If you want all the original miles and VIN  in the new one you will need to clone all the information from your old Mercedes ZGW control module to the new one or another used one, because your old ZGW Gateway control module stores vehicle service history, VIN, and mileage of the car. In this video we show you how to program the Mercedes ZGW Gateway control module.

Step 1. Open Mercedes ZGW Gateway control module.

Step 2. We will have to locate special connections to the Motorola 912 MPU.

Step 3. Once we located special connections to the Motorola 912 MPU we will solder to those connections.

Step 4. Now that we connected to the board we will read the information from Motorola 912 MPU through a programmer.

Step 5. Now that we read the file from the ZGW Gateway control module we will save it.

Step 6. Once we saved the original file from the ZGW Gateway control module.

Step 7. We will do the same on a new or used ZGW Gateway control module by opening it up connecting to it.

Step 8. Now we will save the original file from the ZGW Gateway control module to the new or the used module.

So this is how the cloning is done on a ZGW Gateway control module.

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