Modern cars are complex, and those with ECUs have problems that need this tool. The best OBD2 engine scanner will scan and correct errors with one device, but not all are all-functions in one kit. All these OBD2s in the rundown are either standalone scanners or combo tools that do more. In wintertime, this mitigates EC trouble from getting worse, having one helps a lot. Get the best one on the list best for you.
1. BlueDriver LSB2 Bluetooth Pro OBDII
This is not rated as a pro-grade scanner, though it has some features comparable to it should you be wanting just a simple tool for the job. It is a cheap and simple kit with enough functions, that is one selling point. One of its features is reading trouble codes only, so it can check the status of your car. Included is compatibility for most car models and their source codes, some have less compared to it. You need to install an app on your mobile to use it, after installing then it is good to go!
Just a scanner to check, nothing more with a good price to match! You will still need to have a tech work on it.
2. Autel Scanner MaxiCOM MK808BT Diagnostic Tool
just right if a capable scanner that has most functions needed to fix an ECU, on the spot. Other pro-grade stuff will cost more, so it will be on the money as a top pick! Offer powerful functions right out of the box, without downloading anything from the internet. A product like this one costs more yet all the coding extra functions to restore an ECU is all in. For example, resetting any warning lights that pop up is very good. Warrantied for a year, including free updates for a year to keep the device ready for most service work. See all in a 7-inch LED with intuitive layout when using it. Based on Android OS and A9 chip for computing, makes it a small and capable device.
For more professional work, it will do and does more than scan. A bit steep because it offers more, assures of better quality functions. Go for it, to get car ECU fixed without technical help.
3. Actron CP9690 Elite AutoScanner Kit Enhanced OBD I and OBD II
Priced in the middle with a good selection of features that offers more than just scanning only. Cheaper yet with all the must-have functions straight out of the box. One of the scanners that can be backwards compatible with OBD1, not just OBD2 that works for both old and new cars from 1985 to 1996.
Along with reading trouble codes, this will include resetting functions like oil service reset and battery monitoring. Get all the scanning and resetting with this mid-price OBD2, consider this for older cars as well.
If you do not want to fork out more than $217, then this is the one for you. All good for this kit, and a go-go to get!
4. NEXPEAK NX301 Obd2 Scanner
One of the cheapest OBD2 on the list, and has lifetime updates for it, once you get one. No need to use a mobile to check results, this is just a plug and all is good to go! It reads code and is compatible with most cars, but please check before getting to make sure! One of the most affordable universal scanner that does only that, nothing more. There might be a preference to just check what is wrong, it read codes, and that is good enough.
Does scanning is just fine and will work, for just that! It is universal, which makes up for the limited function.
Related article: The Best OBD2 Scanners 2019: Top 16 Review & Buyers Guide