AN A320'S ECAM DISPLAYED A NOSEWHEEL STEERING FAULT AFTER LNDG GEAR EXTENSION. AN EMER WAS DECLARED AND THE ACFT TOWED TO THE GATE AFTER LNDG.

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I WAS THE PNF; FLYING NORMAL APCH. AFTER EXTENDING LNDG GEAR WE GOT A NOSEWHEEL STEERING FAULT MESSAGE ON ECAM. THE CAPT RECYCLED NOSEWHEEL STEERING SWITCH; BUT NOTHING HAPPENED. WE DID A LOW PASS BY THE TWR TO SEE IF THEY NOTICED ANYTHING UNUSUAL WITH NOSE GEAR. THEY TOLD US EVERYTHING LOOKED NORMAL. WE FELT IT WAS SAFE TO RAISE THE GEAR AND CONTINUE WITH OUR GAR. WE NOTIFIED ATC THAT WE NEEDED SOME DELAY VECTORS TO CONTACT MAINT; AND ALSO DECLARED AN EMER. DISPATCH; FLT ATTENDANTS; AND PAX WERE ALL MADE AWARE OF THE SITUATION. MAINT TOLD US TO DO ANOTHER LOW PASS BY TWR. IF ALL STILL LOOKED GOOD; WE WERE TO COME BACK AND LAND. WE MADE ANOTHER PASS; AND THE NOSEWHEEL STILL LOOKED TO BE IN ITS NORMAL POS. THIS TIME WE DID NOT RAISE THE GEAR PER MAINT INSTRUCTIONS. THE FLT ATTENDANTS WERE AGAIN UPDATED ON SITUATION; AND THAT WE WOULD BE MAKING A PRECAUTIONARY LNDG. WE TOLD THEM TO EXPECT A NORMAL LNDG; WITH THE GOOD POSSIBILITY OF BEING TOWED TO THE GATE AFTER WE LANDED. PAX WERE ALSO UPDATED ON SITUATION. WE MADE A NORMAL LNDG; AND BECAUSE THE NOSEWHEEL STEERING DID IN FACT NOT WORK ON THE GND; WE WERE TOWED TO THE GATE WITHOUT INCIDENT.