TCS, ABS, & VDC lights are on on 2003 Infiniti Q45

The traction control system light, ABS, and VDC lights are on. What are my concerns and how can this be solved?

Asked by for the 2003 Infiniti Q45
still waiting on an answer
Its probably your abs sensors. I have 3 out of 4 bad on mine. Dealerships says 1200 bucks. Must be installed by infiniti due to programming. Sucks, they are very expensive but yor abs won't work and your cruise is not working either I'm guessing.