# Part 3 - Writing the Read DID

### 1. Run the Read DID Job:

From the Diagnostics screen (**Vehicle Networks > Diagnostics**). Run the Read DID service. If connected to hardware that is connected to a bench or vehicle, the requested data should be received.

### 2. Run the Write DID Job:

Now run the Write DID service. The service will write the VIN (or other selected DID) to the ECU with the data provided by the Read DID job.\
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This just shows one simple example. A different ECU could have been selected for the Write DID service. Another variation of this example could include a DPS programming action in between the Read DID and Write DID. This way when the programming is complete, the VIN and other parameters can be put back in the ECU.

![Figure 1: Positive response from a Write DID job.](https://2280262322-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FC3KyOmcYmM6ZVd3OQDa1%2Fuploads%2F7113G8zPW3SxjCxc7CDN%2Fspyexamplegfwd3.gif?alt=media\&token=90ee3a65-c4fd-4e3f-8f5c-2efe59e777e3)