What does code C1115 mean, and if it is a wheel sensor, which one?

Question

ABS light is on. I'm trying to find out which sensor is bad, without replacing all four. I have already tried cleaning them, and have found no breaks in the wires.

Answer 1

Unfortunately, there is no way to find out exactly which is the problem with the C1115 code, either you need another code or you need to inspect all the sensors.