You can also find the serial number when the AP is connected to AP Manager. Simply connect your AP to AP Manager and click the 'AP Info' button. The serial number will be in the middle of the pop-up window. You can also find the serial number when hooked up to a power source (either your car or computer) through the AccessPort itself.
More information found *If you are not using a COBB AP for tuning please move on to the next question.
COBB Tuning AccessPORT V3. The only thing was finding the Serial number to. Other then that I am 100% happy with my purchase and wit the Cobb AccessPORT V3. Mar 07, 2013 Piasini Reflash, Cobb Access Port, Xede, Procede, Standback, Superchips & others supported here! Welcome to Mazdaspeed Forums. You are currently viewing our boards as a guest which gives you limited access to view most discussions and access our other features.