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Your hub for all of the latest information and technical advice for Snap-on diagnostic tools.

Snap-on News Releases

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LIN Initialization - Data Bus Fundamentals and Testing

Modern vehicles rely on interconnected networks to operate electronic systems efficiently. While high-speed Controller Area Network (CAN) handles critical engine, transmission, and drivetrain communications, low-speed networks such as Local Interconnect Network (LIN), J1850, and K-Line manage smaller body-related systems and diagnostic access. Understanding how these networks operate, their voltages, and signaling patterns is essential for accurate troubleshooting and repair.

Pondering Variable Valve Timing

In this Technical Focus Article, learn about the main components of Variable Valve Timing, the functions & benefits, VVT history, and common causes of VVT malfunction. We include a case study on a 2004 Honda Accord® EX 2.4L as well!

What's the difference between a car scanner and scope, and why does it matter?

In this Technical Focus Article, you'll learn how using a lab scope alongside a scanner gives techs deeper, real-time insight for more accurate diagnostics that reveal intermittent faults hidden in OEM-specific systems.

What Are Diagnostic Trouble Codes? Breaking Down P,B,C, and U Codes

In this Technical Focus Article, learn about how U-codes identify communication faults between vehicle control modules, typically caused by wiring, DLC pin, or scan tool adapter issues. Proper diagnosis is key to resolving U-code errors and ensuring accurate automotive communication system repairs.


Snap-on Technical Focus Articles

Please wait while we gather your results.

LIN Initialization - Data Bus Fundamentals and Testing

Modern vehicles rely on interconnected networks to operate electronic systems efficiently. While high-speed Controller Area Network (CAN) handles critical engine, transmission, and drivetrain communications, low-speed networks such as Local Interconnect Network (LIN), J1850, and K-Line manage smaller body-related systems and diagnostic access. Understanding how these networks operate, their voltages, and signaling patterns is essential for accurate troubleshooting and repair.

Hybrid Vehicles Are Not So New

In this Technical Focus Article, learn about the over 100 year history of hybrid vehicles and when working on a hybrid vehicle in the garage, Snap-on® diagnostic tools feature guided component tests and Smart Data to help you make diagnosing the vehicle much faster and more accurate.

Pondering Variable Valve Timing

In this Technical Focus Article, learn about the main components of Variable Valve Timing, the functions & benefits, VVT history, and common causes of VVT malfunction. We include a case study on a 2004 Honda Accord® EX 2.4L as well!