Severity: Fix right away. Driving risks expensive damage or a breakdown.
The motor that opens the throttle on drive-by-wire cars is not moving the throttle to the position the computer commanded.
Clean the throttle body, check the wiring, and replace the throttle body assembly if the motor is bad.
The car may go into limp mode with very little power, or not respond to the gas pedal. Get it checked right away.
Avoid driving until it is checked — towing is the safer choice. The car may go into limp mode with very little power, or not respond to the gas pedal. Get it checked right away.
The most common causes are: Failed throttle actuator motor; Dirty throttle body; Damaged wiring; Failing throttle body assembly. A scan tool and a visual check of the parts above is where a technician starts.
Clean the throttle body, check the wiring, and replace the throttle body assembly if the motor is bad.