Pro-Link iQ OBDII and EOBD Software Application Pro-Link iQ OBDII/EOBD software application provides engine emission related diagnostic capability for a wide range of light, medium and heavy duty trucks. With the combined power of the easy-to-use Pro-Link iQ and the functionality of the OBD II and EOBD software application, service bay technicians experience unprecedented out-of-the-box productivity. Timely updates are available online to ensure the latest versions are always available. Easy to use. Portable. No interface cable setup. Read Fault Codes. Clear Fault Codes. View Engine Data. Display Freeze Frame Data 883076