Have you ever spent hours trying to figure out why a trailerās brakes no longer work or why the lights wonāt turn on?
Itās frustratingāespecially when the breakdown brings your whole operation to a halt.
What if we told you thereās a tool that can diagnose any trailer, from any brand, in just a few clicks?
Yes, itās possible ā and thatās exactly what a multi-brand diagnostic tool like Jaltest INFO Web does.
š§ Why Is This a Special Solution?
Repairing a trailer isnāt as simple as you might think. Systems are becoming more electronic, more sensitive, and each brand has its own specific features.
A standard tool is no longer enough. What you need is:
- A system thatās fast to use (less than 15 minutes to understand the fault)
- A clear and easy-to-read interface
- A guide that tells you exactly what to do, step by step
š ļø No need to be an expert ā with Jaltest INFO Web, even a junior technician can successfully carry out the repair.
The Essentials for Proper Trailer Diagnostics
To work effectively, you need:
ā
Active Jaltest INFO Web access (valid subscription)
ā
A PC, tablet, or smartphone
ā
Trailer information (VIN, brand, system type)
š Possible substitutions:
No cable? Jaltest still shows you diagrams and manual procedures to visually check sensors and components using your eyes or a multimeter.
šØāš§ Steps to Succeed in Your Diagnosis (and Repair)
1ļøā£ Connect to Jaltest INFO Web
Launch the platform and enter the trailerās information.
2ļøā£ Select the system to diagnose
Braking (EBS), suspension, lighting, ABS, etc. Click on the relevant system.
3ļøā£ Read the fault code
The tool displays one or more codes. Example: āEBS ā Faulty pressure sensorā.
4ļøā£ Problem explanation
Jaltest tells you what the code means, why it appeared, and how to check it.

5ļøā£ Step-by-step repair guide
Follow a simple set of instructions, with images and tips.
šļø Using and Assembling Technical Information Effectively
This is where Jaltest INFO Web shines: it shows you how to put all the information together for success:
- Display connection diagrams so you donāt make mistakes
- Check sensor values against recommended ranges
- Use estimated intervention times to better plan your work
šØ Presentation tip: Jaltest allows you to print clear sheets to attach to the repair order or show to the customer.
š§ Storing Data and Preparing Repairs in Advance
You can:
- Save each intervention in a client history
- Prepare a repair before the vehicle arrives by reviewing common faults for that model
- Review data without being connected to the vehicle
This is especially useful for trailer fleets or busy workshops.
š ļø Mechanical Variants and Other Uses
And the best part? Jaltest doesnāt stop at trailers.
You can also diagnose:
- Trucks, buses, and coaches
- Tractors
- Construction machinery
- Boats and jet skis
You just need the right pack ā and everything works with the same simple logic.
ā
Conclusion: Forget the long searches⦠act quickly and effectively!
A trailer breakdown shouldnāt put your business on hold for hours.
With Jaltest INFO Web, you have it all: the code, the explanation, and the solution.
š” Even without being an expert, you save time, avoid mistakes, and work more efficiently.
So next time a trailer gives you troubleā¦
š Log in to Jaltest INFO Web and let it guide you.

