Up Close: Cojali Jaltest Commercial Vehicles

July 21, 2022
The Cojali Jaltest Commercial Vehicles is designed to be an all make and models diagnostic solution for commercial vehicles.


The Jaltest Commercial Vehicle kit performs diagnostics for several makes and models of trucks, vans, buses, trailers, and other medium and light commercial vehicles. It’s designed to be an all-in-one diagnostic solution, as it includes all the necessary technical information that technicians might need to go through their repairs together with tons of dealer-level commands for every ECU. Cojali developed Jaltest for technicians who work with multiple brands and systems.

Features and benefits

  • Fast automatic detection of systems and fault codes in just one click.
  • Provides dealer-level bidirectional tests such as regens, resets, calibrations, etc.
  • Offers real-time data monitoring.
  • Enables shops to be more independent with their repairs and maintenance by taking more control over their resources and requiring less outsourcing.


Jaltest is designed by Cojali, a Spanish tech company manufacturer of components, advanced diagnostics and maintenance solutions for the commercial vehicles industry. Jaltest Diagnostics has been present in the trucking world for over 20 years, filling the diagnostic needs of the most demanding repairers. Behind the tool, there is a team of more than 200 engineering professionals working on its development, and always with one goal in mind: The constant improvement in the efficiency in the repair and maintenance processes.

Manufacturing specs

Developed in Spain by more than 200 engineers, Jaltest measures 20.5” in length, 8.6” in width, and 16.5” in height. It weighs 17 lbs.

Sponsored Recommendations

Garage Tip: The Value of System Solutions

Learn why inspecting related parts when repairing your vehicle can save you time and money. Avoid future failures and ensure satisfaction! Click to watch now.

Access the Best Learning Resource for Professional Mechanics

Get hands-on tips, updated repair instructions, mounting videos, failure diagnosis, and best practices for professional mechanics. Click to access essential technical info to ...

From the Basics to Innovations - Transmission Technical Training Videos

Explore Schaeffler's portfolio of transmission technical trainings for the LuK brand. Tailored for all skill levels, our modules cover basics to innovations. Click to learn more...

Clutch Release Problems - Diagnosis & Failure Analysis

Explore common clutch release problems and their causes, from hydraulic issues to mechanical faults. Understand diagnostics and solutions for optimal clutch performance.

Voice Your Opinion!

To join the conversation, and become an exclusive member of Vehicle Service Pros, create an account today!