10 Best Code Readers & Scan Tools 2025

Looking for the ultimate car diagnostic tool? Look no further than our top 10 list of Code Readers & Scan Tools! We reviewed and scored many products in the Diagnostic, Test & Measurement Tools subcategory, and we found products ranging from a 7.3 score up to a stellar 9.3 score. At the top of our list is the BlueDriver Bluetooth Pro OBDII Scan Tool for iPhone & Android from none other than BlueDriver. This powerful tool offers unparalleled accuracy and ease of use, making it a must-have for any car enthusiast. But don't just take our word for it - read on to discover the rest of our top picks and take your car maintenance game to the next level!