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Home >> GMC >> 2021 >> Yukon AT4 >> Repair and Diagnosis >> General Information >> Reset Procedures >> Programming And Setup >> Repair Instructions >> K4 Assist Step Control Module: Programming and Setup >> Replace and Program Control Module or Reprogram Control Module

Replace and Program Control Module or Reprogram Control Module

To program a replacement or an existing control module, perform the following procedure:

  1. Ignition/Vehicle OFF
  2. Access the Service Programming System (SPS) and follow the on-screen instructions.
  3. On the SPS Supported Controllers screen, under Select Controller, select K4 Assist Step Control Module.
  4. On the SPS Supported Controllers screen, under Select Function / Sequence, select Programming and follow the on-screen instructions.
  5. On the SPS Supported Controllers screen, under Select Function / Sequence, select Setup and follow the on-screen instructions.
  6. At the end of programming, choose the "Clear DTCs" function on the SPS screen.