The most common causes of Diagnostic Trouble Code P2118 are failure of the throttle actuator control motor, a failed pedal position sensor, a faulty throttle position sensor, an open or short in the actuator circuit, or
a poor electrical connection anywhere in the control circuits for the foregoing components.
Not exact matches
Due to corrosion or being attached to the painted engine case, the battery ground
connection may have
poor electrical conductivity.
P0449 has some relation to P0446 and is typically due to a short or open in the wiring harness, an
electrical connection that is intermittent or of
poor quality or a failed charcoal canister vent valve.