P084D OBD II Trouble Code Transmission Fluid Pressure Sensor / Switch H Circuit High

How to diagnose, repair, and info on causes of a P084D transmission trouble code related to the trans fluid pressure sensor switch H Circuit that is high. Also includes links to relevant forum topics on the code.

Symptoms of P084D OBD II Trouble Code

Common Causes of P084D OBD II Trouble Code

Severity of P084D OBD II Trouble Code