Transmission Control Module Reprogramming
WARNING: This page is about a different car, the 2011 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
Do not reprogram the transmission control module (TCM) unless directed by a service procedure or a service bulletin.
- Connect a scan tool to the vehicle and access SPS. Refer to Service Programming System (SPS) .
- Perform the SPS function Transmission Control Module - Programming and follow the on-screen instructions.
- Clear DTCs after completing the programming procedure.