XTOOL D8W Wireless Bidirectional Scan Tool, OBD2 Scanner with Topology, FCA AutoAuth, 3-Year Updates, ECU C0ding, PMI, 42+ Resets, Full Diagnostic Scanner for Car, Crankshaft Relearn, CAN FD/DoIP

The XTOOL D8W product delivers really good OE-level diagnostics with full system coverage and fast, accurate results. Bidirectional control and active tests work reliably, making troubleshooting efficient and precise. The wireless connection is stable, the touchscreen interface is easy to navigate, and features like topology mapping and ECU coding add real professional value. It supports a wide range of vehicles and receives regular updates. Overall, the D8W is a powerful, dependable scan tool that offers reliable performance for the price.

Just picked up the XTOOL D8W and I’m seriously impressed. I’ve used a lot of scanners over the years, but this one hits the sweet spot between power and ease of use. The wireless connection is fast and stable, and the device instantly recognized every module on my Mercedes GL450. Live data streams are smooth, graphing is clean, and the topology map is super helpful for diagnosing real issues—not just reading basic codes. I was able to dig into engine data, Airmatic suspension, fuel system, transmission, and even some of the hidden ECUs that cheap scanners never touch. For anyone who wrenches on their own car, especially Mercedes, this tool is a game-changer.

XTOOL D8W Wireless Diagnostic Scanner Review The XTOOL D8W has completely changed the way I diagnose vehicles. The wireless feature alone is a game-changer—no more being tethered by cables while moving between the driver’s seat and the engine bay. The connection is fast, stable, and reliable. What really impressed me is the professional-level diagnostics. It reads and clears codes on all systems, not just the engine. I’ve used it for ABS, airbags, transmission, TPMS, and even advanced functions like bi-directional controls and active tests, which are extremely useful for pinpointing problems fast. The touchscreen is bright, responsive, and easy to navigate, and the interface feels modern and smooth. It supports a huge range of vehicles, and the scan speed is quick. The battery life is excellent, easily lasting through a full day of work. Another big plus is the ECU coding, service resets, and live data graphing, which makes it perfect for both DIY users and professional mechanics. Updates are simple through Wi-Fi, and XTOOL’s support has been solid whenever I had questions.

I am incredibly impressed with the XTOOL D8W. I originally bought it hoping to tackle a few specific issues that usually require a trip to the dealership. I'm happy to report that it handled everything I threw at it. My main project was programming a new TPM sensor. The dealer wanted a significant chunk of change just for the service, but the D8W guided me through the process, and I successfully programmed the new sensor to my car without a single hiccup. Beyond that, I was amazed at the customization options it unlocked. I was able to dig into the settings and customize various remote functions, such as rolling all the windows down when holding the unlock button. These are exactly the kinds of "dealer-only" customizations that you're normally stuck with. For any serious home mechanic or DIYer, this tool is a game-changer. It's already saved me time and money by letting me skip the dealer appointment, highly recommended. Update: for clarity, the TPMS work I performed was to add a new Toyota sensor to the spare tire. I swapped out the steel wheel for a matching alloy wheel and had a new tire installed with a Toyota sensor. These come pre-programmed with a sensor ID. A simple ID registration step was needed to program the 5th empty slot on the 2015 4Runner. If you need to do more involved TPMS work there is a dedicated XTOOL TP150 TPMS Programming Tool.

I purchased the D8W Scanner and I don't regret it. I have not been paid or asked to make a positive review in exchange for a free product. I am an Amazon buyer and more than a DIY mechanic that work on all of my family and friends cars and so, I had the opportunity to test this machine on a variety of vehicles from diferent manufactures and models as well as to compare this tool with others competing in the same market. I put together a few thought to help you get a detail view of what this product can do for you and so, make it easier for you to decide if it's right one for you or not. 1- The topoly feature on this scanner (D8W) is fast and, can only be obtained from XTOOL on this price range. No other scanner in the market offers it for less than $900. 2- The D8W comes with an 8" display again, something you can get from other stableshed brands of manufactures of Auto Scanners but at a higher cost. 3- Don't think that you are buying a flimsy and cheap product because it is affordable, this scanner feels solid.and it weights more than any other unit I had the opportunity to test/try of this size, assuring the buyer they are buying something durable and well made. 4- Across the market of wireless OBD scanners, many people complaint about miss/lost communication between the wireless OBD2 adaptor and the main unit but, till now, it hasn't happen to me, what leads me to believe your product does not have that issue and the connection between them is very stable. 5- Compared to other scanners on this price range, the UI is simple enough for anyone to use and even known, sometimes you have to play/look around to get to what you are looking for, if does offer a fair amount of choices and information to get the job done. 6- It comes with 3 years of free updates. At $199 a year, it's a hello of a bargain. 7- The frequency of updates provided to the D8W, is like no other manufacturer in the market. Like I said before, I not only had a few makes and models of both scanners and automobiles on hand to test them but also the time and interest to do it, and none of them had updates every week or almost daily like XTOOL do. I concider it a good thing because, it.is proof they are.working constantly to improve and maintain their product up to date with the latest software. 8- The battery, as long as you turn the unit off, like I do when you are done using it, will remain at the same level and will nor drain on its own. 9- You don't have to add your email to the device in order to be able to use it like you do with other manufactures. This simple thing avoids the multiple emails to fill up the device-storage and also the annoying notifications and remaining of them. 10- The D8W has a bilt in speaker. Yes, you may be surprised with this statement but, I had a well stablished brand scanner that didn't have one, making the feature of auto web search weak and sometimes unusable because is very hard to desifer what people are saying on a YouTube video if they are not speaking directly into the camera. Granted, not everything is perfect on this unit and, I m going to tell you about it too. If you are a professional mechanic that deals with scanners and work on the Fiat/Chrysler brand, you will now the TPMS issue is the number one complaint amount this family of automobiles. I believe they can sell this scanner for more money if they were to concider making a few minor adjustments/improvements to it. 1- My screen is not too bright and hard to see outside during the day when exposed to direct sun light. I confess, I haven't remove the screen protector that came installed on top of the screen yet and, I am almost sure must of the screen glare will go away once I do it. 2- The trouble codes have a brief description next to it but, if you want to get more info, you will be directed to the web using the tablet's web browser Google Chrome". You won't have to remember the codes numbers because, the machine will do an auto search on the subject to make it easier on you, the user. 3- The TPMS feature still very basic, I beleive a grafic UI can be shown with the tire pressures, temperature, sensor ID and battery status of all 4,5 or 6 tires, on a single screen to make better sense and understanding of the system functionality and how the computer is receiving/reading that information. I hope I was able to give you an honest description of what you are getting if you decide to buy this product (D8W). Also, this company's commitment and efforts to make a much better product each day. Happy shopping.