Category Archives: Blog
Explore the blog on high-quality truck engines from Cummins, CAT, Navistar, and Detroit.
Active vs Parked Regeneration: What Is the Difference?
Active, passive and parked DPF regeneration explained — what each is, when it happens, and [...]
Sep
Diesel Aftertreatment Explained: DOC, DPF, SCR & DEF
DPF, DEF, SCR, EGR — modern diesel aftertreatment in plain language, and why the right [...]
Sep
Heavy-Duty Truck Diagnostics: What You Need to Start
New to truck diagnostics? This guide covers the laptop, adapter and software you need to [...]
Sep
How to Connect a Laptop to a Truck Diagnostic Port
A beginner-friendly guide to physically connecting your laptop and adapter to a heavy-duty truck 9-pin [...]
Sep
Understanding SPN and FMI: How to Read J1939 Fault Codes
J1939 fault codes use SPN and FMI numbers. Learn how to read them so a [...]
Sep
J1939, J1708 & J1587 Truck Diagnostic Protocols
J1939, J1708, J1587 — the communication protocols behind truck diagnostics explained in plain language for [...]
Sep
How to Choose a Diagnostic Adapter: RP1210 vs J2534
RP1210, J2534, NEXIQ USB Link — diagnostic adapters can be confusing. This guide explains the [...]
Sep
Forced DPF Regeneration: A Technician’s Practical Guide
Learn what a forced DPF regeneration is, when a truck needs one, and how professional [...]
Sep
How to Read and Clear Fault Codes on Heavy-Duty Trucks
A step-by-step overview of how to read and clear diagnostic fault codes on heavy-duty diesel [...]
Aug
Diesel Diagnostic Tools Every Technician Needs in 2026
A rundown of the essential diesel diagnostic software every heavy-duty technician should be familiar with [...]
Aug
