The AutoLink AL439 OBD II/EOBD Scanner supports all 10 modes of OBD II test for a complete diagnosis. Featuring the unique patented One-Click I/M Readiness Key, circuit test, starting and charging systems test, TFT color display, built-in speaker , the versatile, easy-to-use AL439 will streamline automotive service and help ensure rapid, accurate diagnosis and timely repair.

• Works on most 1996 and newer vehicles (OBD II & CAN)-domestic and import
• Features the unique patented One-Click I/M Readiness Key for quick State Emissions readiness check and drive cycle verification
• Easy-to-read AVOmeter allows you to read voltage and resistance at the fingertip
• Capable of diagnosing 12V charging systems, starting systems and condition of discharged battery
• Bright color coded LEDs and built-in speaker provide both visual and audible tone for readiness verification
• Easily determines the cause of the Check Engine Light ( MIL)
• Retrieves generic (P0, P2, P3, and U0), manufacturer specific (P1, P3, and U1) codes and pending codes
• Turns off Check Engine Light (MIL), clears codes and resets monitors
• Displays monitor and I/M readiness status (emissions)
• Reads live PCM datastream, live O2 sensor test data, freeze frame data
• Graphs data (1996 and newer)
• Troubleshooter code tips guide technicians to the root cause of trouble code faster, saving diagnosis and repair time
• Memory/battery backup for off-vehicle data review and analysis
• Multilingual menu and DTC definitions- English, Spanish and French, etc.
• Retrieves vehicle information (VIN, CIN and CVN)
• Internet updateable
• Prints data via PC