Unlike basic code readers that only display fault codes, the AutoTruth Professional OBD2 Scanner helps you understand what's happening inside your vehicle with comprehensive diagnostic functions.
Read & Clear Check Engine Codes
Quickly retrieve generic (P0), manufacturer-specific (P1), and pending trouble codes. Clear codes and reset the Check Engine Light after repairs.
Live Data Stream
Monitor real-time engine performance, including:
Engine RPM
Vehicle Speed
Coolant Temperature
Fuel System Status
Short & Long-Term Fuel Trim
Oxygen Sensor Data
Intake Air Temperature
Mass Air Flow (MAF)
Engine Load
Battery Voltage
Perfect for diagnosing intermittent problems that don't always trigger warning lights.
Freeze Frame Data
View the exact vehicle conditions recorded when a fault code was triggered, making diagnosis faster and more accurate.
I/M Readiness Test
Instantly check whether your vehicle is ready for emissions inspection. Avoid failing inspection due to incomplete drive cycles.
Built-In DTC Library
No need to search online. Instantly view code definitions directly on the scanner to understand what each fault means.
VIN Retrieval
Automatically reads your vehicle's VIN on supported vehicles, making identification quick and convenient.