Have Ford Questions? Ask a Mechanic for Answers ASAP
The light flashing means something in the system has failed or is out of range. The next step is, you need to get a code scan to retrieve the code. Once you have the code it will be easy to determine what has failed. It not likely the modual. More common to loose a wheel sensor. Get the code and we can go from there. Its still safe to drive as the system has a back up system.