Detroit Diesel CPC4 Repair

The Detroit Diesel Common Power Train Controller, or CPC for short, is the central brain for Freightliner commercial trucks. The CPC, with the CPC4 being the latest version, is the...

Navistar Diamond Logic Builder & Advanced Logic

Diamond Logic Builder Diamond Logic Builder, or DLB for short, is the body and cab diagnostic and programming software for International Trucks. This is the software used by Navistar dealerships...

The Diesel Technicians Step-by-Step Guide to Hydraulics Schematics

Diesel technicians attempting to make repairs on a piece of construction equipment or farming equipment’s hydraulic system face some difficult challenges.  This blog post will attempt to break down the...

Diesel Laptops Off-Highway Kit with Jaltest Software on TEREX TA 300

Take a look as our Off-Highway Team goes through the functionality of the Diesel Laptops Off-Highway Diagnostic Kit with Cojali Jaltest software on a TEREX Articulated Truck (TA 300) with...

TEXA & Cojali Off-Highway Cable Guide

Drowning in Cable Options for Your Equipment? Diesel Laptops' Off-Highway Diagnostic Kits with TEXA or Cojali software provide a durable tool that is compatible with a variety of construction, agricultural...

Diagnostic Messages Explained

When clients are comparing various diagnostic tools, quite often they find that some tools read more or less code than other tools. This blog post will attempt to explain some...

How to Clear a Fuel Pressure Relief Valve (PRV) Fault Code

The Fuel Pressure Relief Valve (PRV) on heavy equipment and generators is usually found on the high-pressure pump or on the common rail. This pressure relief valve is responsible for...

CAT D6 Dozer Maintenance & Repair with Cojali Diagnostic Software

Our diesel technicians are taking a look at the engine, aftertreatment system and hydraulic system functionality on a CAT Dozer using the OHW & Construction module on Cojali Jaltest’s diagnostic...

Detroit Assurance ADAS Explained

Detroit Assurance is the marketing name of the suite of Advanced Driver Assist Systems, or ADAS, for Freightliner Trucks, and specifically the Cascadia truck model. Detroit Assurance 5.0 is the...