If the vehicle is equipped with OnStar and has an active subscription, additional data may be collected through the OnStar system. This includes information about the vehicle's operation; collisions involving the vehicle; the use of the vehicle and its features; and, in certain situations, the location and approximate GPS speed of the vehicle. Refer to the OnStar Terms and Conditions and Privacy Statement on the OnStar website.
See OnStar Additional Information.
Q38 Throttle Body: Throttle/Idle Learn Engine Control Air Metering/Acceleration Throttle
DescriptionThe engine control module (ECM) learns the airflow through the throttle body to ensurethe correct idle. The learned airflow values are stored within the ECM. These valuesare learned to adjust for production variation and will continuously learn duringthe life of the vehicle to compensate ...