Diagnostics Comparison
OBD2 scanners and Bluetooth adapters for reading codes yourself — from $25 check-engine readers to full-system coding tools.
Products
BlueDriver Pro Next Gen OBD2 Scanner
BlueDriver Pro Next Gen OBD2 Scanner — No Subscription, Bluetooth Car Code Reader for iPhone & Android, Diagnose 8000+ Issues
Autel Professional OBD2 Scanner AL319 Code Reader
Autel Professional OBD2 Scanner AL319 Code Reader — Enhanced Check and Reset Engine Fault Code, Live Data, Freeze Frame
TOPDON TopScan Lite OBD2 Bluetooth Scanner
TOPDON TopScan Lite OBD2 Bluetooth Scanner — Bi-Directional All System Diagnostic Tool with AI Assistant, 8 Resets, Repair Guides
Veepeak OBDCheck BLE Bluetooth OBD II Scanner for iOS & Android
Veepeak OBDCheck BLE Bluetooth OBD II Scanner for iOS & Android — Car Wireless Check Engine Light Code Reader Diagnostic Tool
ANCEL AD310 OBD2 Scanner
ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Read — Read and Clear Error Codes for 1996 or Newer OBD2 Protocol Vehicle (Black)
FOXWELL NT301 OBD2 Scanner
FOXWELL NT301 OBD2 Scanner Live Data Professional Mechanic OBDII Diagnostic Code
Related Articles
Best Bluetooth OBD2 Adapters That Actually Work With iPhone
iPhones can't use classic Bluetooth OBD2 dongles — only BLE ones. Here's why that trips up so many buyers, and which adapters and apps actually pair with iOS.
Best OBD2 Scanners for BMW: Coding, Adaptations, Diagnostics
Generic scanners clear the check engine light but miss BMW-specific module codes. Here's what to buy for real diagnostics, and where dedicated BMW coding software takes over.
Best OBD2 Scanners Under $100: Full Comparison and Buying Guide
From a $30 code reader to a $95 full-system scanner, here's how six OBD2 tools under $100 actually differ in capability, and which one matches your use case.
Check Engine Light On but Car Runs Fine? Read the Code for $30
The car drives fine but the check engine light won't turn off. Here's how to pull the actual code yourself for about $30, and how to tell which codes need attention now.
OBD2 Scanners That Read ABS, Airbag, and Transmission Codes
Most budget OBD2 scanners only read powertrain codes and stay blind to ABS, SRS, and transmission faults. Here's the upgrade tier that actually reaches every module.





