Case Study: Mercedes-Benz Actros 5 – Fault Code 1C0305 (EBS WABCO)
When a heavy-duty truck is immobilized due to an EBS fault, the pressure is on. Whether it’s a minor sensor issue or a more serious fault, the usual reflex is often the same: call the dealership.
But today, with Jaltest INFO Web, it’s possible to take control of the situation—quickly and effectively.
- 🚛 An Actros 5 at a Standstill
A fleet manager reports a fault on a Mercedes-Benz Actros 5 (Type 963, year 2021). The vehicle displays a warning on the dashboard:
Braking – EBS Fault – Code 1C0305.
The driver is stopped at a logistics hub, blocked by active safety alerts.
There’s no authorized garage nearby.
The risk?
Prolonged immobilization, costly towing, and delayed deliveries.
- Jaltest INFO Web – Your Ultimate Solution
The in-house workshop logs into Jaltest INFO Web, selects the exact truck model, chooses the “Brakes / EBS WABCO” system group, and enters fault code 1C0305.
Within seconds, the platform displays the result:
“Brake pedal travel sensor – Signal out of range.”
- Conditions for the Fault to Appear:
An analysis of possible causes (faulty sensor, corroded connector, abnormal voltage)
The step-by-step testing procedure, including:
- Location of the sensor and connector
- Nominal values to be checked with a multimeter
- Required conditions for a stable fault code clearance
A diagram of the EBS braking system, with color-coded components
🧰 The In-House Repair
With this information at hand:
- The technician visually inspects the wiring harness (connector issue identified)
- An electrical test is performed on the sensor using the reference values from Jaltest INFO Web
- The connector is cleaned, and the sensor repositioned
- The fault is cleared, and the system turns green after a dynamic check
Total repair time: under 1 hour and 30 minutes
No towing, no external intervention, no waiting for the manufacturer.
✅ What This Level of Autonomy Enables
✔️ Immediate reduction in vehicle downtime
✔️ Cost savings on roadside assistance and external diagnostics
✔️ Improved logistics responsiveness
✔️ Empowered internal technical teams
✔️ Enhanced customer trust (for independent workshops)
This is not an isolated case. It’s a growing reality:
With the right technical database, safe and effective repairs can be made without always relying on the OEM network.
Jaltest INFO Web provides access to accurate, structured, and constantly updated technical data, enabling professionals to repair faster, better, and with full autonomy.
