The Specialist Series Bundle | 123 Auto Guides

You can diagnose the easy stuff, but CAN bus communication, ADAS calibration, or a diesel-specific fault code still send you back to Google every time. The deep-dive knowledge exists, guide by guide, topic by topic, and buying it piece by piece adds up fast.

All 17 Specialist Series guides, in one bundle, at a better price than buying them individually.

This is the full Specialist Series: 17 deep-dive guides for enthusiasts and technicians, covering everything from turbochargers and diesel diagnostics to EV batteries, CAN bus communication, and ADAS. Delivered as instant downloads you can keep and come back to whenever you need them.

What's inside — all 17 guides

• Automatic Transmission Fundamentals
• Manual Transmission Fundamentals
• Air Conditioning Systems Explained
• Turbocharger Systems Explained
• Diesel Engine Diagnostics
• Fuel Injection Systems Explained
• Sensors and Actuators Explained
• Engine Management Systems Explained
• Vehicle Electronics Explained
• Advanced OBD2 Diagnostics Explained
• CAN Bus Communication Explained
• Automotive Oscilloscope Basics Explained
• EV Fundamentals Explained
• Hybrid Vehicle Systems Explained
• EV Battery Health and Charging Explained
• ADAS Explained
• Automotive Business & Workshop Management Explained

How it works

Right after checkout, you'll get instant access to every guide, no waiting. Download them once and keep them for good.

Buying all 17 guides individually costs $254.83. This bundle gets you the whole series for less.

New to 123 Auto Guides? Start with the Learning Series Bundle, or get everything at once with The Complete Car Owner Library.