SINCE JANUARY 2010 TRANSMISSION SLIP ONLY HAPPENS PERIODICALLY ABOUT 8 TO 10 TIMES A YEAR ..SINCE 11/2012 TREMBLING/SHUDDER TO THE ENGINE WHEN VEHICLE ACCELERATES BETWEEN 45-50MPH (TORQUE CONVERTER) OR REPLACE TRANSMISSION RECOMMENDED BY SERVICE CENTER ON 10/16/2013. ON 1/31/2013 RECALL SERVICE COMPLETED ON MY VEHICLE MALFUNCTION INDICATOR LAMP (MIL) ON WITH DIAGNOSTIC TROUBLE CODES POWERTRAIN CONTROL MODULE (PCM) WITH 1 OR MORE DAMAGED COIL(S) ON PLUGS. *TR