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Home >> GMC >> 2023 >> Sierra 2500 HD AT4, 6.6L Eng VIN 7 >> Repair and Diagnosis >> General Information >> Reset Procedures >> Programming And Setup - All Systems >> Repair Instructions >> K4 Assist Step Control Module: Programming and Setup >> Replace and Program Control Module

Replace and Program Control Module

NOTE:
  • DO NOT reprogram a control module unless directed to by a service procedure or a service bulletin.
  • Verify all modules are connected and communicating before attempting to program the K4 Step Assist Control Module.
  • Begin with the Vehicle Power Mode OFF. Programming will direct the appropriate control module(s) to change power mode as needed during the procedure, independent of the vehicle's power mode.

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

  1. Vehicle Power Mode - Off.
  2. Access the Service Programming System (SPS) and follow the on-screen instructions.
  3. On the SPS Supported Controllers screen, select K4 Step Assist Control Module - Programming and follow the on-screen instructions.
  4. On the SPS Supported Controllers screen, select K4 Step Assist Control Module - Setup and follow the on-screen instructions.
  5. Check the driver information center display for additional messages regarding further calibration instructions. If there are no additional driver information center instructions present, programming is complete.
  6. Clear DTCs.
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