Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty shift solenoid ‘E’ valve– Shift solenoid ‘E’ valve harness is open or shorted– Shift solenoid ‘E’ valve circuit poor electrical connection Tech description There is a factory service bulletin for the following models: 2003 Toyota Corolla2003 Toyota Matrix2003 Toyota Factory Service Bulletin OBDII Code…