ECUHELP KT200 Offline has been confirmed to successfully program the Audi A4 B7 2.0TFSI 2007 with the MED9.1.5 ECU via OBD. Before starting the writing process, it’s essential to ensure that the fan is unplugged as a precautionary measure.
The programming process includes a Stage 1, and read 22 minutes, and a write process that takes about 14 minutes. The checksum (CKS) was verified using Lsuite, and everything proceeded smoothly without any issues.
Below is an image demonstrating the use of KT200 to write to the MED9.1.5 ECU via OBD.
Conclusion:
The KT200 Offline tool is a reliable solution for programming the Audi A4 B7 2.0TFSI 2007 MED9.1.5 ECU via OBD. The process is straightforward and can be completed within a short time frame.