Best Bidirectional Scan Tools For Vehicle Diagnostics With these criteria in mind, we did our best to choose scan tools that will best serve both professional mechanics and DIYers. We made sure that each of our top picks were reliable over multiple uses.Ĭompatibility – We get into the compatibility of each model and whether it can be used across a range of makes, models and applications. Reliability – Reliable code readings and responsiveness to commands are essential to bi-directional scanners. Scanners that were easier to use scored higher in our rankings. Usability – We wanted to make sure that each of these scanners were user-friendly. Each of the scanners we chose for this article have top-tier functionality.
To that end, we scored each based on the following criteria.įunctionality – Since these scanners require higher functionality than traditional diagnostic scanners, we placed this as the most important factor in our review. Each of these tools was evaluated by our team to determine which would best serve our readers’ needs. We don’t make our recommendations lightly. How We Chose The Best Bi-directional Scan Tools
They can run full system tests, access the engine control module, and even perform ECU coding.Ī bidirectional scanner is one of the best items that a mechanic can add to their toolkit. This is different from traditional scanners, which are usually read-only devices.īidirectional scanners provide an incredible amount of possibilities when it comes to vehicle repairs. A bidirectional scan tool is a vehicle diagnostic device that allows mechanics to send commands to a car, as well as read the data coming back from it.