I recently brought my truck to a shop to fix my ABS that displayed the "ABS indicator" light intermittently, fix/adjust my speedometer which was reading wrong, and replace some burned-out lights in my dashboard.
All they did was put new abs sensor in the rear. As I leave the ABS light comes on again. As I braked for a red light I noticed a clicking that gets worse the slower the car is moving. I can feel clicking if i push the brakes all the way down and let the pedal slightly. A few clicks in and its like the resistance pressure goes away and it's soft.
At this point the brakes are very "grabby" and it's very difficult to stop without locking up the wheels.
They also said the reluctor ring is missing two teeth but it's not clear why they didn't replace it.