AllTradesJournal

Can Bus

2 articles

Mechanic's hands diagnosing a complex, glowing CAN bus system with intricate wiring and digital data streams in a modern vehicle.
Automotive Services

How Do CAN Bus Systems Work in Modern Vehicle Diagnostics?

A standard digital multimeter, once a mechanic's go-to, is effectively blind to the rapid data pulses on a modern vehicle's CAN bus, only providing an unhelpful average voltage.

Luis Ortega·April 18, 2026
A skilled automotive technician uses a diagnostic scanner to troubleshoot complex electrical systems and network communication issues in a modern vehicle's engine bay.
Automotive Services

How Automotive Electrical System Diagnostics and Network Communication Troubleshooting Works: A Complete Guide

Effective automotive electrical system diagnostics and network communication troubleshooting is the critical skill separating a guess from a professional diagnosis. This guide provides a complete, step-by-step approach to master these complex systems.

Luis Ortega·April 9, 2026