As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, THE NOSE WHEEL STEERING CAUTION ILLUMINATED. DIVERTED FLIGHT, LANDING UNEVENTFUL. R & R NLG STEERING HARNESS IAW AMM TASK 32-21-11-000-801/ 32-21-11-400-801. REPLACED WITH A SERVICABLE HARRNESS FROM STOCK NO FAULTS FLAGGED IN THE NWS ECU. ALL OPS CHECKED GOOD, ALL INDICATIONS NORMAL AND CAUTION DID NOT REOCCUR. RETURNED TO SERVICE.