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Essential

Nexiq USB-Link 3

Wired J1939/J1708 Vehicle Communication Interface

4.9|Professional Grade
$ 900

About this item

  • Supports J1939, J1708, CAN, and ISO 15765 protocols
  • USB 2.0 wired connection — most reliable option
  • 9-Pin and 6-Pin Deutsch vehicle connectors
  • Compatible with ALL Class 4-8 heavy-duty trucks
  • Works with INSITE, Calterm, JPRO, Cojali, DDDL
  • LED indicators: Power, Vehicle, USB, Activity
  • Genuine Nexiq — not a clone

Software Compatibility

Cummins INSITE, Calterm, JPRO, DDDL, ServiceMaxx, DAVIE, Cojali Jaltest, Noregon

Product Description

The Nexiq USB-Link 3 is the industry-standard communication interface used by dealerships and professional diagnostic shops worldwide. It acts as the bridge between your truck's ECM and your diagnostic software, translating J1939 and J1708 data protocols into information your computer can read. The wired USB connection ensures maximum reliability during critical diagnostic sessions and ECM programming.

Technical Specifications

Brand Nexiq Technologies
Model USB-Link 3 Wired (121054)
Protocols J1939, J1708/J1587, CAN, ISO 15765, ISO 14229
PC Connection USB 2.0 Type-B
Vehicle Connector 9-Pin Deutsch HD, 6-Pin Deutsch
LED Indicators 4 (Power, Vehicle, PC, Activity)
Firmware Field-upgradeable via USB
Housing Ruggedized plastic
Operating Temp −40°C to +85°C
Certification FCC, CE, IC
Cable Length 6ft USB cable included
Warranty 1 year manufacturer

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Related Guide

How Remote Diesel Diagnostics Works

Read our free technical guide for diagnosis tips and common fault codes.