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 greater than 10 volts.
The accelerator pedal position (APP) is less than 15 percent.
DTC P1551 runs when the throttle actuator control motor is deactivated.