Pressure control solenoids are intended to regulate the line pressure in the transmission according to the current flow. This pressure is necessary to apply the various clutch packs in the transmission to obtain the various gear ratios. They are very necessary for vehicle efficiency.
If the P2716 OBD2 fault code is established, it indicates that the PCM (Powertrain Control Module) has encountered a malfunction in the transmission pressure control solenoid D.