Reprogram Control Module after Transmission Repair/Replacement

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.

To program an existing K71 Transmission Control Module, after a transmission repair/replacement, perform the following procedure:

Install EL-49642 SPS programming support tool.
Access the Service Programming System (SPS) and follow the on-screen instructions.
Perform the SPS Transmission Control Module programming event. Choose one of the following screen prompts:
- Select Transmission Control Module - MCVM Operations, and follow the on-screen instructions. This will update the Solenoid Characterization data only.
- Select Transmission Control Module - Programming and follow the on-screen instructions. This will update the TCM calibration and the Solenoid Valve Characterization data.
Perform the Transmission Service Fast Learn Procedure .
With a scan tool, clear DTCs from the K71 Transmission Control Module.
Ignition OFF for 2 minutes.