Now that we know more about how these scanners work and why you should have one let’s see what options are available. While we won’t discuss particular models, here are the top brands that we highly recommend. TOAD TOAD stands for Total Onboard Auto Diagnostics. This company only makes one OBD2 scanner, but it’s so incredible that they don’t have to make any others. What sets TOAD apart from the competition is that it’s designed to be the ultimate diagnostic scan tool. Not only is it compatible with almost every make and model in the world, but it offers extensive repair manuals and forums to help users fix their issues. TOAD is definitely professional-grade, meaning that any hardcore car enthusiasts will love all of the features it provides. For example, you can tune your vehicle’s ECU to maximize your performance! This scanner is also software-based, meaning that you have to download it from the internet. However, you can connect wirelessly to your car, making it m