Best Code Readers of 2025

"I found this tool easy to use without needing the instructions. It's a quality unit for the price and feels quite sturdy. I believe it can handle some abuse if necessary."

"I purchased this device after my daughter's check engine light came on. Within moments, I was able to read the diagnostic codes and clear the error, which gave me peace of mind knowing it wasn't a serious issue."

"This scanner works well and is very intuitive. It provides more than just a code; I appreciate the abbreviated text descriptions of the faults. I plan to keep it handy for routine use."

“I've had this scanner for several months now. The ease of use is great—just plug it in and go. It feels comfortable in hand with its rubberized outer ring. The data options are plentiful, making it handy for a quick scan before moving to a more substantial diagnostic tablet. The lead tech at my shop was impressed with its price point and functionality.”

“I went to Amazon and thought I wouldn't spend another $200 on an OBD tester. I decided on the Foxwell NT301 because of the good reviews and features. This tester is fantastic! It not only provides error codes but also a listing of possible causes. It's compact, rugged, and super easy to use.”

“Recently bought this code reader, and it's already paid for itself. Once we figured out how to use it, I jumped on YouTube for some guidance and ordered the correct parts to fix the issues. It works as advertised and is easy to use once you understand it.”

"As a YouTube mechanic, I'm always looking to save money. I believe this tool is a must-have for everyone! Its features are incredible, from monitoring systems to clearly reading all malfunction codes. It even provides links to buy parts and tutorials on how to fix issues. If you're not car savvy, just get it—you'll be blown away by how easy it is to use!"

"I was pleasantly surprised by how well this OBDII scan tool works, even on my British car. It cleared my ABS warning light that shouldn't have been on in the first place, and it hasn't returned. Plus, it gives clear indications of what's wrong with my vehicle and allows me to view live data."

"The BlueDriver tool has exceeded my expectations. I initially ordered a cheap scanner that failed to register any codes, but this one worked perfectly right out of the box. It reads several codes and provides descriptions, common fixes, and even links for parts. The app is user-friendly and saves each scan for easy reference."

"This code reader works perfectly for me. It’s so easy to use and saved me from having to scrape my truck."

"I found this product to be exactly what I needed for a very reasonable price. The semi-durable scanner body and the included drawstring bag were nice touches. I did have to look up the full manual online since the instructions were more of a quick reference sheet."

"I enjoy using this tool because it’s super easy and offers a lot of bang for the buck. I even gave my first one to my sister and bought another for myself!"

"I find this tool to be super handy. It works on every car I've tried, and the instructions are easy to follow. I can quickly pull trouble codes and look them up online for repair guidance!"

"As someone who knows very little about cars, this tool is a lifesaver when my check engine light comes on. It reads codes clearly, and its accuracy has been spot on for me."

"I bought this little device to check codes at home. It's quick and basic but definitely worth it for car enthusiasts. I can easily store it in my glove compartment."

"I've used OBD2 readers before, and this one really stands out for being user-friendly. The buttons are easy to press, and there's no frustration with tiny buttons. I plugged it into my car's OBD2 port, and it powered up immediately. After starting the engine, it displayed codes and car data right away. I highly recommend this device over Bluetooth options to avoid app-related issues. I had a minor hiccup when trying to erase a code, but it ultimately worked, and my check engine light turned off. If you're new to OBD2 scanners, this tool offers great peace of mind."

"I decided to switch to a fully self-contained reader after constantly losing my Bluetooth modules. This device is much more user-friendly! It powered up in just 15 seconds after plugging it into the OBDII port, and the screen is easy to read. My Mustang had a faulty fuel injector, and I was able to quickly google the P-code. It doesn't diagnose or troubleshoot, but it reads codes related to emissions and can clear them. I recommend being cautious about resetting codes before emissions tests, but overall, this product is a good buy for the money."

"This scanner was incredibly easy to set up and use—truly a plug-and-play experience. It saved me a lot of time and money by quickly diagnosing the P1450 code. I ordered the necessary part and installed it in just 15 minutes. I highly recommend this tool for its simplicity and effectiveness!"

"I've found the scanner fast and easy to use. It helped me diagnose issues I couldn't with cheaper models, making it extremely handy for my first car."

"This unit was a godsend for my old Dodge. It allowed me to diagnose both persistent and intermittent issues without the stress of costly repairs. I love the ability to troubleshoot without triggering airbags!"

"For the price, it does everything I need. I was able to reset the airbags after replacing the battery and check codes without visiting a shop. It's far superior to the cheaper handheld units I've used before."

"I’m thoroughly impressed with this scanner! It has exceeded my expectations in every way, making it a valuable tool for both amateur and seasoned car enthusiasts. The value for money is outstanding, especially for the features offered. It’s also incredibly user-friendly with a clear interface, and I love the rugged design that’s perfect for garage use."

"My experience with the OBD2 Scanner Tool from Amtifo has been fantastic. It’s compatible with most vehicles from 1996 onward, which is a huge plus. The build quality feels solid, and it’s easy to navigate through diagnostics. The battery testing feature is an added bonus that really comes in handy!"

"I recently got the OBD2 Scanner Battery Tester for my car maintenance, and it has quickly become invaluable. It was simple to set up and the accuracy of diagnostics is impressive. Plus, it’s a great value for money as it has already saved me from costly mechanic visits!"

"This tool picked up the codes on my 2007 Toyota in less than 5 seconds. The live data monitor works well, and the bright color screen is a nice touch. Overall, it's a decent tool for the price!"

"I found this scanner to be easy to use and readable. While it covers the basics, I didn't expect more from it. If you're looking for something inexpensive and straightforward, this is a good buy—just check compatibility if you have a foreign vehicle."

"I was able to use this tool on my 2005 Lexus ES330 to clear error codes and perform some tests. It definitely helped solve my problem for much less money than I expected. However, I wish it would check oxygen sensors, but I understand that's due to the vehicle's age."

"I recently tried the MOTOPOWER MP69033 Car OBD2 Scanner, and I'm thoroughly impressed with its performance. This compact tool is incredibly easy to use and provides instant readings from my car's onboard computer system. It gives real-time information about engine issues, which can save me time and money on diagnostics at a mechanic. The scanner reads and clears error codes, helping me troubleshoot and even avoid unnecessary trips to the repair shop. I'm very satisfied with the MOTOPOWER MP69033 and highly recommend it!"

"My husband said the little box I picked was a great purchase. It gave us codes plus the issue on screen. It quickly identified the misfire in cylinder 3 and cleared the code, turning the engine light off! I now have peace of mind again with no engine light on my dash! EXCELLENT PRODUCT AND SO AFFORDABLE!"

"I plugged this code reader into my 1998 Toyota Camry, and it worked immediately. The screen and controls were intuitive and easy to understand. I had my code within seconds. The price was good, also, for what I needed. I’m very pleased!"