How do you fix a OBDII test code P1652 Manufacturer Specific Code on a 98 Buick Regal?

I went and tried to search it on the Internet and the answer was Powertrain Induced Chassis Pitch Output Circuit. What is it? How do you fix it?How do you fix a OBDII test code P1652 Manufacturer Specific Code on a 98 Buick Regal?Your probably going to have to take it to the dealor. Its some type of sensor or short.