When to Perform the Procedure
WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
The Transmission Service Fast Learn Procedure must be performed when any of the following repairs have been made to the vehicle. Failure to perform the procedure may result in poor transmission performance, as well as transmission DTCs being set:
- A90 Logic - Software Update
- K71 Transmission Control Module - Software Update
- Replace the component:Q8 Control Solenoid Valve Assembly
- Replace the component:K71 Transmission Control Module
- Replace the component:T12 Automatic Transmission Assembly
- Transmission internal service/overhaul
- Any service in response to a shift quality concern