2005 TOYOTA COROLLA MATRIX Power Trainautomatic Transmission Problems

I OWE A TOYOTA MATRIX 2005, WHICH WAS PURCHASED ON 11/2004. THE CAR CURRENTLY HAS 23,280 MILES AND HAS BEEN ROUTINELY SERVICED AT WESTCHESTER TOYOTA SINCE ITS PURCHASE. BEFORE BRINGING MY CAR IN FOR SERVICE TO WESTCHESTER TOYOTA ON 11/11/10, THE 'CHECK ENGINE LIGHT' HAD NEVER COME ON AND MY CAR WAS NOT GENERATING THE CURRENT VIBRATING NOISE. I AM NOT QUALIFIED TO DETERMINE WHETHER WT COULD HAVE INTENTIONALLY OR INADVERTENTLY CAUSED THE DAMAGE TO MY CAR, BUT I CONSIDER THE POSSIBILITY THAT THE DAMAGE TO MY CAR'S TRANSMISSION COULD HAVE BEEN CAUSED BY THEM. BASED ON WHAT THE SERVICE MANAGER , MR. WILLIAM VESEY, INDICATED DURING MY MEETINGS WITH HIM, THE TRANSMISSION MAY HAD BEEN DAMAGED /MALFUNCTIONING ALL ALONG WHILE THE CAR WAS STILL UNDER WARRANTY BUT THE DAMAGE/MALFUNCTION WAS NEVER DETECTED BECAUSE THE ORIGINAL ECM ON THE CAR MAY HAVE NOT BEEN ABLE TO DETECT THE DAMAGE SINCE...