My cars throwing this. When i rev it, its breaking up down low. It seems fine u top. The car wants to cut off when I give it gas, the rpms then drop but it does idle at first.

The code its throwing is P1810 TFP Valve Position Switch??

I have a list of codes, but I have no idea what to check/repalce for this one. Im useing hp tuners.

 

Transmission Fluid Pressure. On a Y body its the manual portion of what gear you select. There are five switches, two normally closed and three normally open. When the wrong combination is selected or read by the PCM P1810 is displayed. Basically your car does not know what gear you have selected, your TCC is locked or your car thinks it's in gear when you start it.