Circuit Description
WARNING: This page is about a different variant/trim than selected.
The engine control module (ECM) controls the throttle valve by applying a varying voltage to the throttle actuator control motor. The ECM monitors the actual throttle valve position using throttle position (TP) sensors 1 and 2. The ECM compares this actual position to the commanded throttle position. If the difference between the actual position and the commanded position is more than a predetermined value, this DTC sets.