DTC OFF

DTC OFF service.

Selective diagnostic trouble code handling for confirmed workshop cases.

What this service does

Technical file support for supported ECUs.

DTC OFF removes or suppresses selected diagnostic trouble code reporting where the request is technically appropriate and supported by the ECU file.

When it is needed

  • Specific DTC numbers are provided
  • The root cause has been diagnosed
  • The requested change is supported and appropriate

Benefits

  • Targeted handling of specific DTCs
  • Cleaner dashboard status after eligible repairs or modifications
  • Reduced unnecessary limp-mode triggers
  • Useful for workshop diagnostic workflows

Process

  • Collect full DTC report
  • Confirm target codes only
  • Modify original ECU file
  • Flash and rescan vehicle

FAQ

Can you remove all faults?

No. Only specific confirmed codes should be handled.

Is diagnosis still needed?

Yes. DTC OFF should not hide unknown mechanical or electrical faults.

What should I send?

Send ECU ID, original file and exact DTC numbers.