
Overview
The Jaltest trailer diagnostic tool is optimized to ensure that your fleet of trailers delivers peak performance and is always on the job. Our multi-brand Jaltest software supports diagnostics for major North American trailer brands including Great Dane, Utility, Wabash, Hyundai Translead, Vanguard, Stoughton, Manac, Fontaine, and more.
Further, the Jaltest trailer diagnostic tool supports the most popular models of trailers. Troubleshoot issues seamlessly on the Great Dane Everest, Utility 3000R, Wabash DuraPlate, Hyundai HT ThermoTech, and Stoughton Z-Plate.
With trailer technical information, you can carry out in-depth coverage of your trailers and a host of problem resolutions. From knowing how to do complex trailer parameters and calibration settings, to checking trailer after-treatment systems, we have you covered.
The outstanding diagnostic capabilities of our Jaltest trailer diagnostic software are reflected in the several activities that may be done with the tool. You can read and clear Diagnostic Trouble Codes (also known as fault codes), identify systems by automatically detecting connected ECUs, perform Actuator tests by activating ABS valves for trailer ABS diagnostics, and others.
Most importantly, our software has a very user-friendly diagnostic menu that helps you navigate through most trailer systems and components. You will be assisted by trailer wiring diagrams to know the precise location of a fault so that the best resolutions may be taken up.
Apart from the trailer scan tool, our Jaltest maintenance tool covers other critical machines like construction equipment, material handling equipment, trucks, marine engines, and others
Request a Custom Demo VideoDiagnostic Tool For Electronic Control Units (ECUs)/Systems
ECUs are small specialized computers in trailers that control and manage various electrical systems. All data received from sensors are processed and commands are sent to actuators to control electrical systems, safety features, and more.
Hence there is so much you can do with our trailer fault code reader. From reading trailer ABS flash codes to troubleshooting trailer lights, from checking Trailer Electronic Control Units (TECU) to inspecting Brake Wear Sensor Modules our Jaltest diagnostic software does it all.
Among the other ECUs/Systems that get the benefits of our cutting-edge diagnostics are as follows.
- ABS/EBS (Wabco, Haldex, Knorr-Bremse)
- Electronic Braking Systems (EBS Gen2/Gen3)
- Suspension Control Modules
- Lift Axle Controls
- Lighting Control Units
- TPMS (Tire Pressure Monitoring System)
- Door/Liftgate Modules (in reefer or cargo trailers)
- CAN Gateway modules
In Jaltest, you are investing in the best trailer diagnostic software.

Exclusive Features of the Jaltest Trailer Diagnostic Software
Our trailer diagnostic software has several unique and exclusive features that make it a cut above others in this niche. You can carry out advanced troubleshooting jobs that not only keep your trailers always on the job but also ensure that potential issues are resolved through full system scans before they turn into full-blown problems.
Here are some of the unique features of the Jaltest trailer diagnostic software.
- Smart AutoScan – Detects all trailer ECUs in seconds.
- Full ABS/EBS coverage – Deep tests and data for Wabco, Knorr, and Haldex.
- Bidirectional control – Test modulator valves and verify braking behavior.
- Easy-to-follow guided troubleshooting – Especially for brake and suspension faults.
- Coverage across multi-brand fleets – Works across all trailer makes/models with a single tool.

The Functioning Of The Jaltest Trailer ABS Diagnostic Tool
The Jaltest trailer ABS scan tool is a specialized software that provides comprehensive coverage of ABS and EBS issues. You get optimized resolutions for ABS and EBS across several trailer systems and manufacturers. Now, you can access comprehensive diagnostic procedures, wiring diagrams, and error code definitions. Additionally, we offer automatic updates to the Jaltest trailer ABS tester to keep your software in line with technological innovations made to ABS/EBS in trailers. Our diagnostic tool, therefore, never goes out of date.
The Jaltest trailer troubleshooting tool provides all-in-one diagnostics for a wide range of trailer systems and manufacturers. What helps is the detailed wiring diagrams and error codes that assist in the resolution of any fault code, whether it is simple or complex. Hence, with the Jaltest software, you can quickly get resolutions to problems that are no less than what is offered at the dealer level.
Check out our Haldex ABS diagnostic tool, Wabco trailer ABS diagnostic tool, Bendix ABS trailer remote diagnostic unit, and more.

Deep Coverage Of Trailer Systems and Components
To resolve any issues with trailers, our Jaltest trailer diagnostic tool should be the go-to software. It handholds you through the verification of various systems and components and offers cutting-edge solutions to resolve trailer issues and get them back on the road at the earliest.
When you access the diagnostic menu, you will be directed to enter the make and model of your trailer. Now, you will be prompted to input your preference, whether it is manual diagnostics or specific system selection for scan. You can also choose full system scans for ABS trailers, EBS trailers, electronic modules, suspension, wheel pressure control, and others.
In a nutshell, our Jaltest trailer diagnostic tool is a one-stop software to keep your trailers trouble-free through timely diagnostics and problem resolutions.