S 431 DT, S 511 HD, S 515 MD, S 515 HD, S 516 MD, S 516 HD/2, S 516 HD, S 517 HD, S 515 HDH, S 516 HDH, S 517 HDH S 519 HD, Travego, Citaro, Conecto, Tourismo and various others
A leak may arise near the pressure sensor in the axle modulators, proportional relay valves and trailer control valves from the firm WABCO due to the loosening of the connection between pressure sensor and support. As a result, braking pressure may not be correctly regulated. The braking pressure applied may, under certain conditions, be too high on one side of the rear axle and higher than expected by the driver on the front axle.
Measures taken by economic operators: Recall of the product from end users (By: Manufacturer)
The vehicles concerned were manufactured between July and August 2016.