Autel AL439 AutoLink OBD-II/EOBD Electrical Test Tool

Autel Model: aulnal439

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Autel AL439 AutoLink OBD-II/EOBD Electrical Test Tool Autel Model: aulnal439

Product Features & specs :

Autel AL439 AutoLink OBD-II/EOBD Electrical Test Tool


The AutoLink AL439 OBDII and Electrical Test Tool supports all 10 modes of OBD II and features a unique patented One-Click I/M Readiness Key, graphing digital smart meter, starting and charging system tests, TFT color display, and built-in speaker. The versatile, easy-to-use AL439 will streamline automotive service and help ensure rapid, accurate diagnosis and timely repair.


  • Works with all 1996 and newer vehicles (OBD II & CAN) domestic, European and Asian

  • Features the unique patented One-Click I/M Readiness Key for quick State Emissions readiness check and drive cycle verification

  • Easy to read V/Ohm meter allows you to test voltage resistance, wiring, switches, duty cycle, and more

  • Capable of diagnosing 12v charging systems and starting systems

  • Live Data displays complete OBDII vehicle data stream

  • Retrieves generic (P0, U0), manufacturer specific (P1, P2, P3, and U1) codes, and pending codes

  • Turns off Check Engine Light (MIL), clears codes, and resets monitors

  • Displays DTC definitions on the TFT color screen

  • Displays monitor and Inspection Maintenance (I/M) readiness status

  • Retrieves vehicle information (VIN, CIN, and CVN)

  • Troubleshooter code tips guide technicians to the root cause of trouble code faster, saving diagnosis and repair time

  • View freeze frame data

  • Multilingual menu and DTC definitions in English, Spanish and French

  • USB cable included for product updates

  • Memory/battery backup for off-vehicle data review and analysis

  • Internet software updates and upgrades via USB Interface

What’s Included:

  • AutoLink OBD-II/EOBD Electrical Test Tool - AL439

  • CD Software

  • USB Cable

  • Test Leads

  • OBD-II Cable

  • User's Manual

Wifi compatibility


Screen Type


Bluetooth Compatibility


Diagnostic Type

OBD-II/EOBD Electrical Test Tool

Case Included


Cable Type


Compatible Vehicles

All 1996 and Newer Vehicles (OBD II & CAN) Domestic, European and Asian


5.79 in.


3.80 in.


1.46 in.


1.4991 lbs.

Warranty Term

1 Year

Reviews :

Q & A :


New Products Limited Warranty

Autel Intelligent Technology Corp.,Ltd ("Autel") warrants to the original purchaser that this unit is free of defects in materials and workmanship under normal use and maintenance for a period of one (1) year from the date of original purchase. If the unit fails within the one (1) year period, it will be repaired or replaced, at Autel's option, at no charge, when returned prepaid to the Technical Service Center with Proof of Purchase. The sales receipt may be used for this purpose. All replacement parts, whether new or re-manufactured, assume as their warranty period for only the remaining time of this warranty. This warranty does not apply to damage caused by improper use, accident, abuse, improper voltage, service, fire, flood, lightning, or other acts of God, or if the product was altered or repaired by anyone other than the Technical Service Center. Consequential and incidental damages are not recoverable under this warranty. Some states in the United States do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you.

This warranty gives you specific legal rights, and you may also have other rights, which vary from state to state or country to country. No portion of this warranty may be copied or duplicated without the expressed written permission from Autel.

Products requiring service should be returned as follows:

      1. Call or email the Technical Service Center to obtain a Return Reference Number:

        USA & Canada

        Tel:1-855-AUTEL-US (288-3587) (Monday-Friday, 9:00AM-6:00PM Eastern Time)


        Other areas:

        Telephone:0086-138-2369-3008 (Monday-Friday, 9:00AM-6:00PM Beijing Time)


        (Or contact your local distributors)

      2. Package the product carefully to prevent shipping damage

      3. Include your name, return address, and a day contact phone number

      4. Enclose a copy of the dated sales receipt

      5. Describe the problem using our technical support form

      6. Shipment fee prepaid.

Autel Service Centers:

North America: 116 Spring Road, Huntington, New York, 11743

Tel:(631) 923-2620

Or your local distributor address, or:

China headquarters: 6th-10th floor, Building B1, Zhiyuan, Xueyuan Road, Xili, Nanshan, Shenzhen, 518055, China.

Telephone: 0086-138-2369-3008