Identify the software currently in the controller
The most useful starting points are the original file from before modification, a current read and full ECU or TCU identification. If only one file is available, say so. A filename or vehicle model does not establish compatibility with the controller.
Explain when the symptoms appeared: immediately after writing, while driving, with a cold engine or under load. Include fault codes and hardware changes. Mention any repairs or software updates carried out between the reads.
MOD repair and original-file recovery
The catalogue includes bad MOD repair, file verification and ORI recovery. The correct service depends on the available data and the issue identified. Whether original software can be recovered is confirmed for the specific case.
File comparison can help assess earlier changes, but it does not replace vehicle diagnosis. Mechanical or electrical problems can produce similar symptoms.
Submitting your case
Describe the issue and use the relevant vehicle category in the portal. If you are unsure which service to select, use the contact form before ordering. Keep the available files and follow-up information together with the same case.