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Reliability – Reliable code readings and responsiveness to commands are essential to bi-directional scanners. Scanners that were easier to use scored higher in my ranking. Usability – I wanted to make sure that each of these scanners was user-friendly. Each of the scanners I chose for this article has top-tier functionality. To that end, I scored each based on the following criteria.įunctionality – Since these scanners require higher functionality than traditional diagnostic scanners, I placed this as the most important factor in my review. I personally evaluated each of these tools to determine which would best serve our readers’ needs. How I Chose The Best Bi-directional Scan Tools

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They can run full system tests, access the engine control module, and even perform ECU coding.Ī bidirectional OBD2 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.

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OTC 3893 Encore Professional Diagnostic Toolīest Scan Tools with Bi-directional Function Comparison ChartĪ 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. TOPDON ArtiDiag100 All-system Scanner with Control Autel DS808 Diagnostic Tool with Control Ability LAUNCH X431 V+ Diagnostic Scan Tool for Technicians ANCEL FX6000 All System Code Reader for Technicians Autel Maxisys MS906BT Professional Scan Tool for Technicians

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Launch X431 V Pro OBD2 Diagnostic Tool – Editor’s Pick

4 Best Bidirectional Scan Tools For Vehicle Diagnostics.

3 How I Chose The Best Bi-directional Scan Tools.

1 Best Scan Tools with Bi-directional Function Comparison Chart.

The codes are then interpreted by the mechanic or technician to determine the specific problem with the vehicle. The tool communicates with the vehicle's onboard computer and retrieves the DTC codes. The code is usually a combination of letters and numbers.ĭTC codes are read by a diagnostic tool, such as an OBD 2 scanner, which is plugged into the vehicle's diagnostic port. When a vehicle detects a problem, it generates a DTC code which is a unique code that corresponds to the specific problem detected. If the vehicle is equipped with OBD 1 it will have significantly less available data when compared to a vehicle equipped with OBD 2. OBD 1 vs OBD 2 the vehicle will also dictate what the scan tool is able to display. It supports Audi, Volkswagen, SEAT, Škoda, Lamborghini, and Bentley. Voltas IT created a new generation diagnostic tool – OBDeleven, the device which easily connects to the car, monitors all systems, and activates new car's features. However, a typical scan tool does not have the ability to fully reprogram modules because it requires a J-2534 pass-through device and specific software.

Actual scan tools will display live data stream (inputs and outputs), have bi-directional controls (the ability to make the controllers do things outside of normal operations) and may even be able to calibrate/program modules within certain parameters. The scan tool is connected to the vehicle's data link connector (DLC) and, depending on the particular tool, may only read out diagnostic trouble codes or DTC's (this would be considered a 'code reader') or may have more capabilities. Snap-On, Hella Gutmann Solutions, OTC/SPX, Xtool india, Autel, Launch, Vetronix/Bosch and a number of other companies produce various types of scan tools, from simple code readers to highly capable bi-directional computers with programming capabilities. There are many types from just as many manufacturers, one of the most familiar being the Snap-On Inc. JSTOR ( February 2022) ( Learn how and when to remove this template message)Īn automotive scan tool (scanner) is an electronic tool used to interface with, diagnose and, sometimes, reprogram vehicle control modules.Unsourced material may be challenged and removed.įind sources: 'Scan tool' automotive – news Please help improve this article by adding citations to reliable sources. This article needs additional citations for verification.

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