I have a 2000 Honda Accord EX coupe V6. The transmission began shifting hard or slamming into first gear from drive. I replaced both VSS sensors. Now the transmission shifts into drive very smooth. The problem I am having now is the speedometer and tachometer don't work and the car will not shift out of first gear. I put the old sensors back in and everything works but I go back to the same issue of the car slamming into gear. Any help is appreciated.