Diagnostic Code Readers
![Diagnostic Code Readers](https://products.blains.com/600/104/1048065.jpg)
![](https://i.ebayimg.com/images/g/7uIAAOSwIblhwicY/s-l1200.webp)
Universal Heavy Duty Diesel Truck Scanner Diagnostic Tool OBD2 HD Code Reader 655421696464
![](https://img.tvcmall.com/dynamic/uploads/details/740x740_673000003A-2.webp)
KONNWEI KW850 OBD2 Scanner Code Reader OBD II Automotive Scanner Car Diagnostic Scan Tool Check Engine Tool (Support 8 Languages) - Red Wholesale
![](https://cdn11.bigcommerce.com/s-ueto8axwjf/images/stencil/1280x1280/products/287/2607/MS309__23737.1530645578.jpg?c=2)
Universal OBD2 Code Reader Scanner - Performance Chip Tuning
THINKCAR Handheld OBDll Code Reader for Checking and Clearing Diagnostic Trouble Code
![](https://i.ebayimg.com/images/g/EwgAAOSwcV5jD0Vi/s-l1200.webp)
Universal Heavy Duty Diesel Truck Scanner Diagnostic Tool OBD2 HD Code Reader 655421696464
![](https://www.lifewire.com/thmb/IrHjT-h4V_O4glacXb9Yh5XhGVg=/1500x0/filters:no_upscale():max_bytes(150000):strip_icc()/Code-Reader-vs-Scan-Tool-c816f6c835d549e699c571a291671c4e.jpg)
Code Readers vs. Scan Tools: Which Is Better?
On-board diagnostic (OBD) scanners plug directly into your car's access port, and give you a glimpse at what's going on in your car's computer. A good
![](https://i5.walmartimages.com/seo/NEXPOW-OBD2-Scanner-Car-Code-Reader-Diagnostic-Tool-for-Check-Engine-Light-Car-Scanner-for-All-Vehicles-Since-1996_f0ad4231-e751-40c7-b03c-7795bb959706.6d9827a6d4e0d9a72ba235f44e453d3e.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
NEXPOW OBD2 Scanner - Car Code Reader - Diagnostic Tool for Check Engine Light - Car Scanner for All Vehicles Since 1996
![](https://www.mercedescodereader.com/uploads/2/6/0/4/26049090/dsc-0011_1_orig.jpg)
Mercedes 1988-1995 OBD1 code reader
![](https://www.familyhandyman.com/wp-content/uploads/2022/05/best-car-code-readers-and-scan-tools-ft-via-merchant.jpg)
Best Car Code Readers and Scan Tools