I've been trying this one with the "Fauxia". On some wheels, you can barely feel the brake pedal pulsing while on two of them (one being the OSF) it sinks gently to the floor with each successive pulse.
Leaky doseur, or just air in the system? No ABS faults are logged.
Lexia & ABS modulating test - Xantia
Moderator: RichardW