Conditions for Running the DTC

The vehicle speed is 0 km/h (0 mph).
The engine speed is less than 40 RPM.
The engine coolant temperature (ECT) is between 5-100°C (41-212°F).
The intake air temperature (IAT) is between 5-143°C (41-290°F).
The ignition 1 voltage is more than 10 volts.
The accelerator pedal position (APP) is less than 15 percent.
DTC P1551 runs when the throttle actuator control motor is deactivated.