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TOPDON TopScan Lite OBD2 Scanner, Bidirectional Scan Tool, 8 Resets & AI

  • Based on 6,080 reviews
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Availability: In Stock.
Fulfilled by Amazon

Arrives Sunday, Aug 30
Order within 14 hours and 35 minutes
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Color: Black


Features

  • Bi-Directional Control, Quickly Locate Problems: Turn your phone into a professional diagnostic tool. You can send commands from your phone to the ECU to test injectors, cooling fans, headlights, A/C clutch, windows, wipers, and more. See which one doesn't respond. Helps you quickly locate the problem and save time. No need to tear things apart, avoid blind disassembly.
  • Flexible Subscription, Choose Advanced Features as Needed: TopScan Lite provides free-for-life access to core diagnostics, including full system scan, code reading, performance tests, and repair information. After purchase, advanced features (bi-directional control, service operations, live data, code clearing, and AI functions) are free-for-the-first-year. After the first year, if you want to use advanced features, you need to subscribe on a monthly, quarterly, or yearly basis. As new models and reset functions are updated, the tool will also be continuously upgraded.
  • Full System Diagnostics, No Fault Hides: Unlike basic diagnostic tools that only cover 4 systems, TopScan can scan all systems. Read and clear trouble codes, view live data streams, and generate a complete vehicle health report all issues are clear at a glance. Covers 10,000+ vehicle models and is compatible with 99.99% of vehicles.
  • AI Assistant - TopFix: Think of TopFix as your personal AI mechanic. It leverages a repair database and OEM data to deliver clear, step-by-step repair solutions. Features include AI Q&A, one-click translation, and a full repair log, making your diagnostic process simpler and more efficient.
  • 8+ Hot Resets, Keep Your Car in Top Shape: One-tap resets for oil, throttle, EPB, steering angle, DPF, ABS, BMS, and airbag. It enables car owners to easily perform essential maintenance, ensuring the vehicle stays in optimal condition and extends its service life.
  • Seamless Diagnostics, FCA Gateway Unlock: Topscan provides comprehensive protocol support. It is compatible with FCA gateway unlock, Renault gateway unlock, and Nissan gateway unlock, allowing you to perform full diagnostics on these vehicles without restrictions. (Note: Gateway unlock access requires your own account). It also supports the CAN-FD protocol, making it compatible with more latest models for seamless diagnostics.
  • Repair Database, One-Stop Fault Information: Includes TSB factory bulletins, OBD fault code guidance, DLC locator, and a fault code database. All causes and solutions are listed in the app, helping DIY owners easily find repair information and guiding you through car repairs without having to search across multiple sources.

Description

Drifter Sceriffo's Ferrari 599 GTB bears the TOPDON logo—precision, speed, passion in perfect sync with racing spirit. TOPDON's brand advertisement successfully launches on the Las Vegas Monorail, traveling across the city with the train. TOPDON's brand advertisement successfully launches on the Las Vegas Monorail, traveling across the city with the train.

Brand: TOPDON


Power Source: Corded Electric


Product Dimensions: 2.75"L x 0.86"W x 1.57"H


Operating System: iOS and Android


Language: English


Brand Name: TOPDON


Unit Count: 1 Count


UPC: 850050886259


Number of Items: 1


Number of Packs: 1


Manufacturer: TOPDON


Included Components: TOPSCAN


Item Type Name: obd2 scanner


Item Weight: 28 g


Model Number: TOPSCAN


Manufacturer Part Number: Topscan


Manufacturer Warranty Description: 1 Year


Power Source: Corded Electric


Operating System: iOS and Android


Language: English


Automotive Fit Type: Universal Fit


Item Dimensions L x W x H: 2.75"L x 0.86"W x 1.57"H


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Aug 30

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Does a lot depending on the car
Style: Wireless Connect
I am reviewing this for one vehicle at this time, a 2007 Subaru Forester X. I will get into the details about that in a bit but let's get general. It's free for the first year, but if it's still being used and you can catch a sale... But be smart, you can make another email. I would just buy a new unit on sale for like $60, BAM! You just got a new unit and another year. Some may be upset about the limitations, but let's be honest if it works for you it is still by far the cheapest I've found to do ANY bidirectional kung fu. It's ui isn't great, but poke around and you can get a hold of quite a bit. It will scan for your VIN, and then your model range or exact year. You can put it in manually but it finds mine quick so I haven't tried it. From what I see you need to scan the "BCM" or mini computer of each part. So you scan the main ECU and it will give you the general things which is pretty limited for me. It does offer many different cars and you download each individual car's database. So for my SUV it's old, but it does what I need. Kinda. So my main reasoning was the difficulty in getting my throttle body to relearn itself properly. It has an easy procedure if your A/C system is good, mine is not. Topscan says it can do the throttle relearn, but it simply gives instructions to restart, run for 10 seconds and it's done. It is not indeed done, nothing changed. The magic is to control your idle, which was why it needs to relearn the throttle but since that didn't work eventually if it's driven enough and isn't dying at every stop it relearns itself. So the trick is there is an idle adjustment. It's in a separate section, but it is rudimentary yet it'll do. So it starts off at whatever rpm your engine is by 25. So it tells me it's at 825rpm... It lies my tach an loping motor says under 600rpm. So here's what you do, there's the ability to add or subtract in denominations of 50 but the RPM accuracy isn't great so here's what I did. I put mine up to 1075 RPM and you press start. I believe it won't stop until you press the stop button. It 100% keeps my car from dying when coming to a stop or just any time the clutch is in and I'm not adding throttle it died in the before time, so last week. It's only been about 30 miles, so just to and from work so it hasn't learned itself yet. So Topscan... Again for me it's doing what I want, but it does seem kind of lacking otherwise. However, it's still all the stars because there is nothing comparably priced with the features. This ain't no mechanics thousand dollar scan tool, but for me I just remember... $60 vs $600-1200, SOLD! It can act like a normal code reader and such too, but here's why it's worth the extra $40 over an ELM327, it read and cleared my airbag code! Granted it came right back, but now I know it's my driver's airbag or the wiring for that one in particular. How much would a shop charge just to tell you that? Idk in this economy but less than that scanner & a year of big boy scanning included. Download the app before you buy, add your car and see what it will let you do for your car. I did and am not looking back! In a newer or different car it may be so much easier, but this is not simple for me at least. Totally worth it. ... show more
Reviewed in the United States on August 24, 2025 by JChiBears

  • Holy Cow
Style: Wireless Connect
WOW! I guess with as many comments I shouldn’t be surprised. Rarely does anything Amazon sells impress me , but TopDon TopScan just floored me. Great Chinese product. Yea I know you’re on the hook for $50 after a year, but! I started out needing an OBD two mileage report for the Arizona DMV because a car I bought the brain dead seller wrote down 57 315 and not 51 315. So I went to the dealer and they wanted two hours to give me a report. That’s $340 and you get nothing but two pieces of paper. So top gun gave me what I wanted for the cost less than 60 bucks and yes, I’m gonna keep it. You can share it because each maker has to be downloaded separately it will only carry one maker at a time, but it’s not like the early days where it locked into the car that you put it on great tool. I really recommend it. ... show more
Reviewed in the United States on August 2, 2026 by CAl WEST

  • WARNING: AVOID THIS PRODUCT AT ALL COSTS
Style: Wireless Connect
WARNING: AVOID THIS PRODUCT AT ALL COSTS – It's a Total Scam and Waste of Money! I regret to my core falling for the hype and purchasing this device. What was marketed as a reliable diagnostic tool quickly revealed itself to be an overpriced, dysfunctional, and frankly, scam-like product designed to milk you for recurring "subscriptions" while delivering absolutely abysmal performance. Save yourself the frustration, time, and money, and look elsewhere. Here's why you should steer clear: The Hidden Subscription Trap (The Biggest Scam!): They lure you in with an initial price, but after a year, your device becomes virtually useless unless you cough up an annual subscription fee (around $50-$60, nearly the cost of the device itself!). This isn't for "updates" that keep pace with new car models; it's to maintain basic functionality like reading engine codes that even a $10 OBD scanner can do for life. My device stopped reading engine codes entirely after a year without payment. This is a deliberate bait-and-switch, turning a one-time purchase into an endless, unwarranted expense. App & Software are Absolute Trash: Internet Dependent & Login Issues: The app requires a constant internet connection and frequent logins, which often drop, making it a "PITA" to use, especially in areas with spotty Wi-Fi like a garage. Terrible User Interface: The GUI is poorly designed, ugly, and uses super small, unreadable fonts. Fragmented, Annoying Features: Basic scanning features are compartmentalized and defragmented. You have to scan airbags, ABS, etc., separately, each time confirming VINs and enduring idiotic buzzing sounds reminding you to disconnect – even if you just want to switch features. Bloated with Useless Stuff: The app is full of irrelevant notifications, emails, and product updates nobody cares about, detracting from its core purpose. Unreliable Connectivity & Compatibility: Constant Disconnects: Even when you're literally a meter away, the connection to your car is incredibly unstable and frequently drops. VIN Recognition Fails: Often fails to auto-read VIN numbers, forcing manual entry. Limited Car Brands: Despite the premium price, it surprisingly lacks support for common car brands (like Lada/Renault, which even a cheap AliExpress OBD supports). You must double-check if your specific car is supported, as their promises are misleading. Fails at Basic Diagnostics: Missing Crucial Data: Despite hours of searching, simple, essential data like coolant temperature graphs (critical for tasks like burping a cooling system) are inexplicably unavailable. My old $10 AliExpress OBD scanner did this effortlessly in seconds. Overall Ineffectiveness: In the end, this expensive device often failed to help with even simple diagnostic tasks, forcing me to rely on my ancient, cheap, and far more effective backup scanner. Non-Existent Customer Service: When I reached out about the subscription issue, they summarily closed my ticket as 'Solved' without any resolution or further communication. Their customer support is as useless as their product. This device is not just poor quality; it's a predatory product. The "first free year" is a deceptive trial that locks you into perpetual payments for a tool that barely works. Don't be another victim of this "bamboozle." Stick to established, reliable brands or even budget-friendly generic options that offer better performance without the recurring extortion. This was a total waste of money and time. ... show more
Reviewed in the United States on June 25, 2025 by Vin

  • Great value for a powerfull tool
Style: Wireless Connect
I am really surprised by how many advanced features this small scanner offers. It does full system diagnostics, reads live data accurately, and has great maintenance reset options. The app is intuitive and easy to use. Great value for money.
Reviewed in the United States on July 28, 2026 by Carlos Alberto Sánchez Almaguer

  • What crazy good at first, then had an issue but: WE ARE BACK TOPDON thank you!
Style: Wireless Connect
This item without the subscription is worse than any 20-30 dollar scanner. I bought this a year and a month ago. After the subscription trial was up, it gives you worse codes than a typical scanner would give you. It's also way slower, which I would understand if you had the full capabilities, but even in its most basic format it takes a minute to connect and work. Back when I was within the free trial, it worked well! It was slow but it was cool getting all the functionality out of it. Good thing the scanner technically paid for itself or else I would be even more disappointed, but also my cheap scanner now works better so I'm still dissapointed regardless. There's other bi-directional scanners that work better and faster that's worth the money. Paying for a second year on this one would officially set me back more than what I could get a scanner with lifetime updates. I low key scammed myself for believing in this product, but that's my fault for not being slower, like the scanner, with my decision. Edit: support reached out to help us reach an amicable position for us both. I will say it seems support and the Topdon team will do what they can to reach a good understanding between everyone! Amazing support from Michael at Topdon, at first I didn't believe we'd reach a good conclusion but I was very surprised ever since the beginning they upheld their end of the deal. I now believe Topdon will do what they can to make you satisfied with your purchase. What that outcome looks like, I love the idea that they truly will do what they can to make YOU happy. Everyone in this industry and space needs a different issue solved, and I can believe when I say Topdon will work with you to reach that resolution. I believe soon I can warrant a 5 star with continued improvements but at least for now I can happily give Topdon 4 solid starts, especially for their support. TECHNICAL REVIEW WITH 4 STARS: I started at 5 stars, then dropped to 1 star, then back up to 4 stars. At first when my subscription ended I would of thought I'd get efficient OBD codes with a 50-80 dollar scanner in comparison with a 20 dollar one. At first it took 10s of minutes to get to what a simple scanner could of done in less than half a minute. Now I was able to read special codes on a Dodge charger that simpler scanners couldn't even read at all, now that is worth 60-80 dollars and a slower read for. I tried using a simple scanner and kept getting wrong reads. I randomly decided to trust Topdon after bad readings before and all of a sudden, it was reading codes none of my generic scanners couldn't on the Dodge charger, and the history. I'm happy I have this scanner still again! Thank you Topdon for listening! ... show more
Reviewed in the United States on July 14, 2025 by Arthios

  • Excellent OBD2 Scanner – Easy to Use
Style: Wireless Connect
Great product! It connected to my car quickly and was very easy to set up. It reads and clears diagnostic trouble codes accurately, and the app is simple to use. The scanner is compact, reliable, and offers excellent value for the price. Highly recommended!
Reviewed in the United States on July 21, 2026 by Ali Adnan

  • Quality for a good price
Style: Wireless Connect
I needed a bidirectional scan tool to clear some codes my normal OBD2 scanner couldn’t clear. The UI works with your phone, and the app is actually pretty good. It has a litany of different manufacturers you can get the software for. This one came recommended by a few mechanics I know, so I pulled the plug and bought it. It’s worth the $50 price for all the additional things it can do over a standard scanner. The only downside I see is that it is subscription based, ($50/year) but you get the first year free, so it’s not a total loss out of the box, and I can see it being a useful diagnostic tool for the future. It now has a permanent spot in my truck for those just in case scenarios. ... show more
Reviewed in the United States on July 9, 2026 by Pat B

  • Fee based service
Style: Wireless Connect
Good scanner. Be aware that this is a subscription-based service, first year free. This business model doesn't work well for my application. I keep one of these around so occasionally if an engine light comes on and one of our cars I can read the codes. Sometimes I don't get an engine light warning for years. So it just sits dormant in the glove box. So I don't find it beneficial to pay for them annual subscription when I'm using it infrequently. This means if I do pay for a subscription it's likely going to have expired next time I need to use it. Or if I don't pay for a subscription the utility of it is going to be very restricted next time I need to use it. If that makes sense. Another year of subscription cost the same as the scanner does upon initial purchase. So I might as well just buy another scanner in 2 years when an engine light finally comes on. Best of luck. ... show more
Reviewed in the United States on October 22, 2025 by m

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