• Diesel Laptops Blog

    RSS

    How To Use Freeze Frame Data For Fault Codes

    Freeze Frame data is a snapshot of the engines' live values when a fault occurs.  Typically when you hear freeze frame data you associate it with the automotive or heavy-duty truck market however it is also used in off-highway engines....

    Read now

    How To Clear a FPT Derate

    What Does a Derate Code Mean? If your Fiat PowerTrain or other off-highway engine is giving you a derate code, it probably isn’t the only code you’re seeing. When you get a derate code it is a sign of underlying...

    Read now

    Troubleshooting Cojali Jaltest Connection Issues

    Connection problems with your Cojali or other scan tool don’t have to get in the way of your equipment diagnostics and repairs. Many of today’s machines communicate through using the CAN protocol.  If you cannot communicate with your scan tool,...

    Read now

    Truck Air Brake System Maintenance

    The following is a guest post by one of our resident Diesel Experts, Jeff Celentano! Air brake maintenance is a critical part of a truck, especially during the northern winter months when air lines are prone to freezing. In this...

    Read now

    Learn Jaltest in Less Than a Day!

    Diesel Laptops is continuing its commitment to customer education with an exciting new in-classroom training opportunity! For the first time, Diesel Laptops customers will have access to hands-on Cojali Jaltest Training designed by Master Certified Diesel Technicians. This class is designed...

    Read now

    Commercial Truck Data Links and Protocols Explained

    Today’s commercial trucks use data links, and the networks on them are called J1939 and J1708. The three diagnostic ports you find on commercial trucks are the 6-pin, 9-pin, and OBDII (Either wired normally or the Volvo/Mack HD OBDII). While it is true that vehicles have gotten more complex through time, they also have gotten easier to diagnose once you have the right tools and knowledge. Diesel Laptops offers a variety of online and hands-on training classes to help guide and train you on the information you need.
    Read now

    Heavy Duty Truck and Bus Protocols Training

    Join Diesel Laptops’ Training Department Tuesday, December 3rd and Wednesday, December 4th for our newest class: Heavy-Duty Truck/Bus Protocols! This class will be taught over two days at our Irmo, SC Training Center by our Engineering Manager Ken DeGrant.  Reserve...

    Read now

    How To Code A Yanmar Injector On Texa Off-Highway

    Coding a Yanmar Injector is simple with the TEXA Off-Highway Complete Kit by Diesel Laptops. There are several modules available on the TEXA software including car, truck, bike and marine, but for this purpose we will be using off-highway. Injector Coding...

    Read now