Technical Articles

CASE STUDIES Electronic Power Steering How, why, and when to service a EPS Automatic Transmission Diagnostics Shifty Battery Drain Passive Wheel Speed Sensor Diagnostics Diagnostics and repair  Theft deterrent systems (early ones) Starting system and theft Thinking Outside of the Box Catalytic Converter Efficiency What is catalytic efficiency? How do you test it? What are the causes? All explained in this tech article. Hall effect sensor diagnostics 2010 GMC - electronic throttle Diag. 2002 Cadillac - No Comm on the bus line MAP sensor diagnostics and theroy Make Your Move Electronic Stability Controls Examined 2001 Chevy Suburban - I'm Positive it's a ground ! !   Active Speed Sensor  De-coding the Codes What do all those letters and numbers mean in a trouble code. This article breaks down the number and letter code for today's vehicles. Gas Pedal Diagnostics  Active Speed Sensor 2  O2 Sensor Heater Circuit How they work, what's involved, and a simple test to confirm O2 heater circuit operation CAN Bus and Brake lights Pulse Width Modulated Alternators Diagnostics and Theory MOST Protocol system How to diagnose and check a MOST infotainment system Go With The Flow EGR testing, codes, and descriptions. Controller Area Network Systems An in-depth look at CAN systems, how they read, what do they do, how to test them Motor Mount Diagnostics Motor mounts are not just a hunk of rubber anymore R - 1234yf - What you need to know  Recovery Machines and the shop requirements for working with R 1234yf. 

ADAS - Advanced Driver Assistance System

Forward Facing Camera Technology New technology information, diagnostic procedures, and equipment.