Description: Upgrade your existing EZ-Lynk setup however you want! By upgrading to Unlimited Support, adding transmission tuning, or a SOTF switch, you'll enjoy all the perks of the EZ-Lynk Device. Get unlimited updates, data - logging, and chat directly with your tuner. How It Works: First, pick your current tuner from the list. Then, enter your VIN number. You'll get your update within 1 business day. Addons: SOTF - If you want to add a SOTF switch, choose the corresponding switch add - on. For 2008 - 2010 6.4L Powerstroke owners wanting a SOTF switch, select the Universal Powerstroke SOTF Switch (Universal - SOTF) product add - on. TCM Tuning - If you have Limited Support and want TCM tuning, upgrade to Unlimited Support and pick the right TCM Tune File from the add - on options. Notes: You must own an EZ LYNK AutoAgent, and your vehicle should be linked with CCS, AMDP, Proven Diesel, or PPEI. An AutoAgent is essential for programming your vehicle. If you don't have one, go to your vehicle's tuning options to buy the complete package. Remember, this is just an upgrade for existing customers.

Here's how to use this EZ - Lynk upgrade. First, look at the list and choose your current tuner. Then, enter your vehicle's VIN number. You'll get the update in 1 business day. If you want to add a SOTF switch, pick the right add - on. For 2008 - 2010 6.4L Powerstroke vehicles, there's a special universal switch add - on. If you want TCM tuning, you need to upgrade to Unlimited Support first and then select the correct tune file. A few things to note: You have to own an EZ LYNK AutoAgent and link your vehicle with CCS, AMDP, Proven Diesel, or PPEI. This is just for existing customers to upgrade their current EZ - Lynk setup. There's no special maintenance for this upgrade, just make sure your AutoAgent is in good condition to keep enjoying the benefits like unlimited updates and data - logging.