Hesitation and jerking

Our 2005 has, for a while, seems to take a second or two before engaging from a stop - very inconsistent though. In the last few days, I have noticed that there is a 'bump' between gears when accelerating as well. Advice? Our 2005 has, for a while, seems to take a second or two before engaging from a stop - very inconsistent though. In the last few days, I have noticed that there is a 'bump' between gears when accelerating as well. Advice?

have someone like a parts store pull all ur transmisson and engine diagnostic trouble codes and let us know what ya come up with?? torque convertor clutch apply solenoid is goin into overdrive not from a stop u turn off tcc apply solenoid when u tap brake pedal enough to trip the brake light switch goin down the highway u can push brake just far enough to apply ur brake light switch yet not apply ur actual mechanical/hydraulic side of ur brakes and u will here ur car shift out of overdrive and rpms will go up thats what ur tcc apply solenoid does ais apply ur torque convertor for overdrive situations or disable torque convertor under braking have someone like a parts store pull all ur transmisson and engine diagnostic trouble codes and let us know what ya come up with?? torque convertor clutch apply solenoid is goin into overdrive not from a stop u turn off tcc apply solenoid when u tap brake pedal enough to trip the brake light switch goin down the highway u can push brake just far enough to apply ur brake light switch yet not apply ur actual mechanical/hydraulic side of ur brakes and u will here ur car shift out of overdrive and rpms will go up thats what ur tcc apply solenoid does ais apply ur torque convertor for overdrive situations or disable torque convertor under braking