This product is the Commander Tuning Tool Rental, used to flash engine tunes, transmission tunes, or both. 

ONLY WORKS ON 20-22 POWERSTROKE TRUCKS

How it works:

1. Rental commander is shipped to you. The 1-way shipping cost is included in the rental fee.

2. You receive the tool, upload the correct files, and make sure everything is operating as it should.

3. Once we verify everything is good to go, you ship it back to us. You are liable for covering the return shipping cost.