HIT A DEER AT 47MPH ON LEFT FRONT OF VEHICLE. AIR BAG LIGHT CAME ON WITH CODE B0052 DEPLOYMENT COMMANDED. NO AIR OR PRETENSIONER DEPLOYED. CONTACTED GM THEY SENT AN INSPECTOR OUT TO RETRIEVE CRASH DATA FROM RECORDER. THEY CONTACTED ME AFTER THEY RECEIVED THE INFO FROM THE INSPECTOR , AND SAID I NEEDED TO TAKE THE VEHICLE TO DEALER TO DIAGNOSE CONCERN. THERE WERE NO CODES. THEY HAVE NOT TOLD ME IF THERE WAS A PROBLEM WITH THE SDM THAT WAS REPLACED. *TR