Hi everybody,
I have an AUDI A6 2.5TDI with ABS problem.
I check the problem with a pc .It gives me REEL SENSOR FRONT RIGHT defect.
With my oscilloscope i chek the sinusoidal signal from all the 4 sensor.
I get a sinusoidal signal from about 3V ptp when the reel is turning, only on the front left reel i get around 0.5V ptp.

But i check the signal of the FRONT RIGHT REEL as the pc-diagnostic says and the sensor seem to be ok!!!!

During driving i check with the pc if i get information on the 4 sensors.
In fact on the RIGHT FRONT SENSOR i get no impulse!!!!

Can somebody help me?