P0743 Mercedes-Benz -C230 Kompressor

Question

My transmission is lock in the first gear. Engine light is on. OBD II code is P0743. When I stop the car. It doesn't start unless I jump it.

Answer 1

P0743 Torque convertor lock up
If the transmission is lock in first gear, P0743 is the result of this condition. You have a transmission internal mechanical problem as well as a battery that is no longer at its useful life.