TL* THE CONTACT OWNS A 2009 TOYOTA 4RUNNER. THE CONTACT STATED THAT WHILE DRIVING AT LOW SPEEDS AND TURNING, THE VEHICLE LOST ACCELERATING POWER. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSTIC TESTING. THE TECHNICIAN WAS UNABLE TO DIAGNOSE THE FAILURE. THE MANUFACTURER WAS NOT CONTACTED. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 24,000. UPDATED 03/21/13*LJ THE CONSUMER STATED THE TRANSMISSION SLIPPED (REVVED TO HIGH RPMS) WHILE ATTEMPTING TO ACCELERATE AFTER SLOWING DOWN BELOW 15 MPH (WHILE MAKING TURNS OR SLOWING FOR TRAFFIC). THIS HAS CAUSED DANGEROUS SITUATIONS WHERE SIGNIFICANT LAG TIME BETWEEN DEPRESSING THE GAS PEDAL AND WHEN THE TRANSMISSION ENGAGED WHILE MAKING A LEFT TURN ACROSS ONCOMING TRAFFIC OR WHEN A QUICK ACCELERATION WAS NEEDED AFTER SLOWING DOWN. THE POTENTIAL FOR AN ACCIDENT IS HIGH. TOYOTA SHOULD ADDRESS THE SITUATION BEFORE SOMEONE GETS INTO A SERIOUS ACCIDENT AS SEVERAL OTHER REPORTS OF THIS CONDITION HAVE BEEN REPORTED. THERE ARE A NUMBER OF COMPLAINTS ON THE INTERNET WITH THE SAME PROBLEM.