- Ensure that your battery is fully charged
- Read our article about COMPORT Precautions: Writing ECU
- Connect your COMPORT to your vehicle
- Turn your key to the ON position (Do not touch the brake pedal)
- For push-to-start ignition -press start button TWICE
- For vehicles using key-style ignition, TWO key clicks
- Select the TUNING menu option on your COMPORT.
- Select the WRITE option.
- Choose the ORIGINAL tune at the top of the tune selection list, then follow the on-screen prompts to successfully program your ECU.
- Once completed, plug your COMPORT into your COMPORT MANAGER. Run the final update.
- Once update is complete, select “ERASE DATA” from the main menu. Choose “START“. This will now remove your logs and complete data from you and your vehicle from the COMPORT.
- CONGRATULATIONS! Your COMPORT is now back to its original form!
Note: IF this procedure is not done or IF the unit is not “un-marry” / “un-installed” from the previous vehicle, the COMPORT will not be able to be sold or used on ANY other vehicle.