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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 >> Unsuccessful Programing Recovery

Unsuccessful Programing Recovery

In the event of an interrupted or unsuccessful programming event, perform the following steps:

  1. Ensure the K4 Step Assist Control Module, DLC and programming tool connections are secure and the SPS software is up to date.
  2. Vehicle Power Mode - Off.
  3. Access SPS and follow the on-screen instructions for the K4 Step Assist Control Module.
  4. Verify the K4 Step Assist Control Module can be reprogrammed.
    • If the K4 Step Assist Control Module cannot be reprogrammed 
    1. Cycle the Vehicle Power Mode OFF for greater than 1 minute.
    2. Access SPS and follow the on-screen instructions for the K4 Step Assist Control Module.
    3. Verify the K4 Step Assist Control Module can be reprogrammed.
      • If the K4 Step Assist Control Module cannot be reprogrammed, replace the K4 Step Assist Control Module.
      • Go to next step: If the K4 Step Assist Control Module can be reprogrammed.
    4. All Ok.
    • Go to next step: If the K4 Step Assist Control Module can be reprogrammed 
  5. All Ok.