As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CMH TO IAH - DURING TAKEOFF, CREW RECEIVED A WOW INPUT AND WOW OUTPUT EICAS MESSAGE. AFTER RUNNING THE APPROPRIATE QRH CHECKLISTS, IT WAS DECIDED TO DIVERT TO SDF WHERE THE FLIGHT LANDED WITHOUT INCIDENT. MAINTENANCE INTERROGATED THE PSEU FOR FAULT CODES WHICH POINTED TO THE PSEU BEING AT FAULT. MAINTENANCE REPLACED THE PSEU AND THE PROXIMITY SYSTEM OPERATED NORMALLY.