Welcome to the Detroit Diesel Diagnostic Link Update Website.  This site was created to provide immediate updates to our customers and service organization with the latest DDDL Troubleshooting Information, software updates, frequently asked questions and more.

Updates will be ongoing so we encourage you to check this website on a regular basis. If you need further assistance with any of this information, please call our Customer Support Center at 800-445-1980.

  Current computer specifications for Diagnostic Link and Reprogramming Applications

Component Recommended • Windows XP, Windows Vista or Windows 7 (32 & 64 bit) • 1.8 Ghz processor • 2.0 GB RAM • 40 Gigabyte Hard drive with 20 Gigabyte free • 32x CD ROM Drive • Monitor and graphics card supporting 1024 x 768 resolution and 16-bit color • 1 free USB port • Internet or Mainframe Connection to DDC Server (for updates) Hardware Adapter Device (One of the following) › Nexiq MagiKey device with parallel cable| › Nexiq USB-Link with USB cable (Required for Cascadia diagnostics)