2026 Ver. EDIAG OBD2 Scanner YA-101 Auto Code Reader for Check Engine Light,O2 Sensor,EVAP Test,On-Board Monitor Test,Smog Check,OBD2 Diagnostic Scan Tool for All OBD2 Cars Since 1996-Upgrade Version

Overall this OBDII Code Scanner delivers on all the basics and then some. It was able to quickly connect to my car. It clearly showed fault codes and clearing them was intuitive. I have a few other OBDII scanners/code readers (see photo) and this one pulls the same data (and more in some cases) as the others for OBDII data. On top of being able to read codes and clear them. You can use this to actually troubleshoot using the live data streams of the O2 sensors, A/F sensors, Long-term and Short-term fuel trims, as well as ~40 other live data pids. You also can view the Mode6 data. My older units will not pull Mode6 data and do not have air fuel sensor pids so it is showing as O2 pids even on newer cars with A/F sensors. All in all it does the job and for a $25ish code scanner this is a great bang for the buck. Side note, the cord measured 34" and was plenty long for me to use sitting in my front seat holding the unit. A couple things you should know that some may consider cons (but again it is a $25 tool) 1. You can not select a set of pids when viewing live data you scroll up and down to see the pids you want 2. There is no graphing of the streams 3. There are a lot of abbreviations so you may need to look up some to know what your viewing 4. Screen is on the small side (but that is also what makes it compact and convenient to store in a glove box) So even with the "Cons" for the price I feel you are getting a great tool that does the job it is meant to do so for me it is 5 stars.

My husband opened and went to the it. He had this one and it got stollen. He liked it so much I had to buy the same one again.

easy to understand don’t get it wet it wont work anymore after my kid spilled soda on it but it worked great for a long time no issues before that

Easy to use

The 2025 EDIAG OBD2 Scanner is excellent! Setup was fast and the device connects easily to my car. It reads error codes quickly and gives clear explanations, which makes it simple to understand what’s going on with the vehicle. I was able to reset a check engine light in minutes and save a trip to the mechanic. The screen is easy to read, and the build quality feels solid. For the price, this tool is a great investment for DIY car maintenance. Highly recommended!

Disappointed, I've got Abs light on and BSF light and gas cap light....this code reader didn't pickup anything..08 Jeep Patriot. Update this code reader doesn't work on a jeep patriot... worthless do not order if you are using on a Mopar vehicle.... Garbage

Bought this back in 2021 just to "trust but verify" mechanic with respect to check engine light that comes on. Codes matched what my mechanic was telling me. Also clears codes. Also good to see battery and alternator voltage. No sign of any firmware update website, however if you plug it into a PC via USB it exposes itself as a portable drive, so I assume the firmware is simply copied onto it like other microcontroller devices...if you get ahold of the firmware update...i kinda doubt there is one. Anyway, it gave me barebones code number info for my 2003 toyota matrix, which is all I wanted. Just google the codes. For the price it does what I want, but I would buy something a little nicer for more modern vehicles.

good price and product

Works good for engine codes… Can’t read my srs and doesn’t connect strongly to every car (kept falling out of my old civic obd2 port) worked fine other makes tho

Non pensavo ma funziona davvero, non fa chissà che ma le spie motore le spegne, sono felice dell'acquisto, già ripagato

diagnostic says communication error, even though it’s turned on and ready to go. Doesn’t work.

ni se atrevan a comprar cosas baratas chinas porque ya sabemos que no funcionan, caí engañado nuevamente, lo barato sale muy caro

Easy to use and has enough features to quickly troubleshoot vehicle codes. The build quality is great and the operation of the menu is intuitive to get around quickly to the section you need. Once the code is identified checking online makes describing the problem much easier to your mechanic. Handy size and does not require any batteries or charging as it runs off the vehicle. Great little addition to the tool kit.