Free Tool

Bluetooth OBD-II Scanner

Connect to your vehicle's OBD-II port via a Bluetooth adapter (like an ELM327) to read diagnostic trouble codes, monitor smog readiness, and track drive cycles — right from your browser.

Read Trouble Codes
Pull stored, pending, and permanent DTCs straight from the ECU.
Smog Readiness
Check monitor readiness status before an emissions test.
Drive Cycle Tracking
Track drive cycle progress for monitors that need to complete.
PDF Report
Download a shareable diagnostic report for your records.