Replace and Program Control Module or Reprogram Control Module

To program a replacement or an existing control module, Refer to GM Upfitter web-site (https://www.gmupfitter.com/?windowID=si991105095). Then proceed to the following procedures:

1. Access the Service Programming System (SPS) and follow the on-screen instructions.
2. On the SPS Supported Controllers screen, select K56U Special Vehicle Purpose Module - Programming and follow the on-screen instructions.
3. Clear DTCs.