We offer this information for those interested in exploring more J1939-related products. Although we don’t offer them ourselves, we’ve compiled a list of some pretty cool options that we think you’ll love. Check them out below:
Heavy-Duty Truck Diagnostic Scanner for SAE J1939 and J1708 Vehicle Networks
The HD601 is a diagnostic scan tool intended for use with 12 V and 24 V commercial vehicles that implement standardized heavy-duty diagnostic protocols. It supports SAE J1939 and SAE ...
Garmin eLog: A Straightforward Path to ELD Compliance
Staying compliant with Hours of Service regulations does not have to mean juggling subscriptions, complex installations, or bloated fleet software. The Garmin eLog was designed with simplicity in mind, offering ...
My20 ELD Review: Low-Cost Electronic Logging Device for J1939 Trucks
An ELD, or Electronic Logging Device, is an electronic system used in diesel trucks to automatically record a driver’s hours of service. It connects to the vehicle’s engine to capture ...
PiCAN CAN Bus HATs: Empowering Raspberry Pi for Automotive & Industrial Prototyping
The PiCAN series from Copperhill Technologies is a line of CAN Bus interface boards (HATs) designed for the Raspberry Pi. These add-on boards are widely recognized as powerful and versatile, ...
Using Contactless CAN and SAE J1939 Readers for Non-Intrusive Vehicle and Industrial Diagnostics
Accessing CAN bus data has traditionally required either a diagnostic connector or a direct electrical connection to the CAN-H and CAN-L lines. This applies equally to classical CAN networks as ...
J1939 Diagnostics Made Easy: How Modern Scan Tools Simplify Diesel Engine Troubleshooting
For diesel truck owners — whether you’re running a heavy-duty rig for work or simply maintaining a robust personal vehicle — having the right diagnostic tool can mean the difference ...
DEF Sensor Simulator Explained: Background, Function, and DIY Assembly Guide
Please consider! The DEF Sensor Simulator is not an off-the-shelf device. It was originally created by a team of automotive engineers as a proof-of-concept solution for bypassing malfunctioning DEF sensors ...
Unlocking J1939 Telematics: Teensy 4.1 Triple CAN Bus Board with Ethernet and GNSS
In the heavy-vehicle, mobile-machinery and industrial equipment world, the CAN bus remains a workhorse for on-board networks. But merely having physical CAN isn’t enough: what enables rich diagnostics, telematics and ...
Heavy Duty Truck Systems Explained: A Deep Dive into the Top Diesel Technician Textbook
If you’re looking to dive deep into the world of medium- and heavy-duty trucks—whether as a technician, a fleet maintenance manager, or a student of transportation technologies—this book is a ...
Unlocking the Engine Room: The ANCEL HD601 J1939 Truck Scanner for Heavy-Duty Diagnostics
Maintaining and troubleshooting heavy-duty trucks requires tools that go far beyond a basic automotive OBD-II reader. Whether you work with Freightliner, International, Paccar, Detroit Diesel, or Cummins engines, you need ...
INLINE Cummins adapter with SAE J1939/J1708 support for fast, reliable PC-based engine diagnostics
If you’re working with a Cummins heavy-duty engine, you already know the power and reliability these machines deliver. But to keep them performing at their best — and avoid costly ...
SAE J1939 250k/500k Baud Rate Converter with Silent Mode Support – A Game-Changer for Modern and Legacy Vehicle Integration
A recent internal market study by Copperhill Technologies uncovered a surprising but critical shortcoming across all commercially available SAE J1939 baud rate converters: none of them explicitly address the issue ...
Bringing Diagnostic Clarity to Lithium-Ion Batteries in Rail
Rail is in the midst of a big energy storage shift: away from lead-acid batteries and toward lithium-ion. The reasons are persuasive: lithium-ion offers higher energy density, longer life, and ...
Teensy 4.1 Triple CAN-Bus Board with Ethernet: Bridging CAN Networks and IoT
The Teensy 4.1 Triple CAN-Bus Board with Ethernet is a new product from Copperhill Technologies, expanding our lineup of CAN bus and IoT development tools. Designed to meet the growing ...
Arduino Due SAE J1939 Programming Kit: Complete Solution for CAN Bus Development
Looking to take your CAN-bus and SAE J1939 projects to the next level? Whether you’re building a data logger, protocol converter, or a full-blown J1939 ECU prototype, the Arduino-Due-Based SAE ...
From Concept to Market: The SAE J1939 250 k / 500 k Baud Rate Converter
The SAE J1939 250 k / 500 k Baud Rate Converter by Copperhill Technologies was never intended to be a mainstream product. Its origin is rooted in a simple customer ...
How Mining Machinery Telematics Helps Control Fuel Costs and Improve Equipment Health
In the world of mining, machinery is the lifeblood of operations—and also one of the largest cost drivers. Massive diesel engines powering dump trucks, loaders, and excavators consume enormous amounts ...
Garmin eLog™ – FMCSA-Compliant Electronic Logging Device (ELD)
No Monthly Fees • J1939 & J1708 Support • Plug-and-Play Compliance Solution The Garmin eLog™ is a rugged, subscription-free Electronic Logging Device (ELD) designed for professional drivers and fleet operators ...
Building a Powerful Vehicle Telematics System with Raspberry Pi and PiCAN FD
Vehicle telematics has become a cornerstone of modern transportation, enabling real-time insights into vehicle performance, location, and driver behavior. From fleet management to predictive maintenance, telematics systems provide the data ...
Thomson Electrac HD: Linear Actuator Control via SAE J1939 CAN Bus
The Thomson Electrac HD is a heavy-duty electric linear actuator designed for industrial and mobile applications that demand precise motion control under harsh conditions. One of its notable features is ...
A Comprehensible Guide to J1939 is the first work on J1939 besides the SAE J1939 standards collection. It provides profound information on the J1939 message format and network management combined with a high level of readability.
The information in this book is based on two documents of the SAE J1939 Standards Collection:
- J1939/21 – Data Link Layer
- J1939/81 – Network Management
This book is an attempt to create an enjoyable and readable J1939 reference for everybody. The information provided in this book is, besides the SAE J1939 Standards Collection, based on publicly available information such as, but not limited to web sites and printed literature as well as contributions by engineers familiar with Controller Area Network and the J1939 protocol. The information in this book, while based on the J1939 standard, is not a reproduction of any copyrighted SAE document. More Information…
