Nexiq USB Link 2 VS. Nexiq USB Link 3

The Nexiq USB Link 2 and Nexiq USB Link 3 are diagnostic tools used in vehicle maintenance, offering a range of features for diagnostics and vehicle system checks. Here’s a summarized comparison based on the available information:

Nexiq USB Link 2:

1. Compatibility: Works with a wide range of trucks and heavy-duty vehicles, mainly those built in or after 2004. It offers broad compatibility, which is crucial for mechanics working with diverse vehicle types.
2. Functionality:
   • Error Code Reading and Clearing: Quickly and accurately reads and clears error codes, providing brief descriptions of the issues.
   • Automatic VIN Reading: This feature scans the vehicle upon connection and provides information about the make, model, and year, among other details.
   • Live Data Function: Comparable to more expensive scanners, offering real-time data reporting.
3. Connectivity: Features Class 1 Bluetooth connectivity, allowing for versatile use in different situations.
4. Speed and Memory: It is five times faster than its predecessor, with 16 times more RAM, and supports heavier bus loads on simultaneous channels.
5. Supported Protocols and Software: Includes protocols like J1939, J1708, and ISO 15765, and is compatible with various diagnostic software like Detroit Diesel Diagnostic Link, Cummins Insite, and Allison DOC.
6. Accessories: Comes with a Bluetooth USB adapter, 6 and 9-pin Deutsch adapter, latching USB cable, J1962 adapter, among others.
7. Supports heavy-duty vehicles such as trucks, buses, and construction equipment
8. Provides diagnostics and troubleshooting for engine, transmission, ABS, and other systems
9. Offers bi-directional controls and advanced functions like cylinder cut-out, injector coding, and DPF regen
10. Supports various communication protocols including CAN, J1939, J1708, and ISO 15765
11. Compatible with multiple software applications like Cummins Insite, Detroit Diesel Diagnostic Link, and Volvo PTT
12. Comes with a USB connection for connecting to a computer or laptop
13. Has a compact and portable design, making it easy to carry and use on the go

Nexiq USB Link 3:

1. Connectivity: The major update in USB Link 3 is the addition of Wi-Fi connectivity along with Bluetooth, allowing connections to PCs, tablets, or smartphones.
2. Supported Protocols: Supports newer protocols like CAN FD and DoIP, in addition to those supported by USB Link 2.
3. Compatibility with OEM Diagnostics Software: Like its predecessor, it is compatible with a wide range of OEM diagnostics software.
4. Advanced Technology: Marketed as NEXIQ’s most advanced VCI (Vehicle Communication Interface), designed to meet current and future repair operation needs.
5. Similar functionalities to Nexiq 2 but with enhanced capabilities and performance
6. Supports newer vehicle models and advanced systems
7. Offers faster data transmission and improved stability
8. Features a rugged and durable design suitable for harsh working environments
9. Supports USB, Bluetooth, and WiFi connectivity options for flexible data transfer
10. Compatible with a wide range of diagnostic software applications
11. Supports various communication protocols including CAN, J1939, J1708, and ISO 15765
12. Comes with a larger and more responsive touchscreen display for easy navigation and operation

Both devices are designed for use in professional automotive workshops, offering a range of functionalities to assist mechanics and technicians in diagnosing and repairing vehicles. The choice between them would largely depend on specific needs, such as the requirement for Wi-Fi connectivity and support for newer protocols, which are offered by the USB Link 3.