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Home › GMC › 2025 › Sierra 1500 SLT, 6.2L Eng VIN L › Repair and Diagnosis › General Information › Reset Procedures › Programming And Setup - All Systems › Repair Instructions › K20 Engine Control Module: Programming and Setup › Replace and Program Control Module

Replace and Program Control Module

NOTE:
  • The Prepare Control Module for Removal function can only be performed when communication with the old control module is still possible.
  • Instances may occur where data is not transferred during the Prepare Control Module for Removal Function
  1. Ignition - On / Vehicle - In Service Mode
  2. Perform the scan tool function: Create Report
    • Air Cleaner Life Remaining - If equipped
    • Engine Oil Life Remaining
    • Fuel Filter Life Remaining - If applicable
    • Fuel Injector Flow Characteristic Identification - If applicable
  3. Access the Service Programming System and follow the on-screen instructions for the control module: K20 Engine Control Module
  4. Select - Prepare Control Module for Removal - If applicable
  5. Ignition/Vehicle & All vehicle systems - Off
  6. Replace the component: K20 Engine Control Module
  7. Ignition - On / Vehicle - In Service Mode
    8. NOTE:
    • If both controller options below are listed, select K20 Engine and K71 Transmission Control Modules.
    • Refer to: Control Module References  - K71 Control Module Programing
    • If the programming is not successful - Refer to: Control Module References  - K56 Control Module Programing
  8. Perform the SPS function:
    • K20 Engine and K71 Transmission Control Modules - Follow the on-screen instructions.
    • K20 Engine Control Module - Follow the on-screen instructions.
  9. Clear DTCs after programming is complete. Clearing powertrain DTCs will set the Inspection/Maintenance (I/M) system status indicators to No.
  10. Perform the SPS function: Immobilizer Learn - If equipped.

    Refer to: Immobilizer System Component Programming

    11. NOTE:

    If both controller options below are listed, select K20 Engine Control Module.

  11. Perform the SPS function: K20 Engine Control Module Setup - Configuration

    Perform any adjustment, programming or setup procedures that are required when a component or module is removed or replaced. Follow the on-screen instructions.

  12. Perform the scan tool learn/reset function:
    • Air Cleaner Monitor Setup - If equipped
    • Barometric Pressure Sensor Reset - If equipped
    • Engine Oil Life Remaining
    • Fuel Filter Life Remaining - If applicable
    • Fuel Pressure Regulator Learn - If applicable
    • Fuel Rail Pressure Relief Valve Learned Values Reset - If applicable
    • Fuel Injector Flow Characteristic Identification - If equipped
    • Intake System Learned Values Reset - If equipped
    • Throttle Body Idle Air Flow Compensation Reset
    • Turbocharger Wastegate Learn - If equipped
    • Turbocharger/Supercharger Boost Control Initial Position Learn - If applicable
  13. Perform the scan tool function: Clear DTCs
  14. Ignition/Vehicle & All vehicle systems - Off
  15. Ignition - On / Vehicle - In Service Mode
  16. Select: K71 Transmission Control Module
  17. Perform the scan tool configuration/reset function: Transmission Service Fast Learn - If available
  18. Perform the scan tool function: Clear DTCs
  19. Ignition/Vehicle & All vehicle systems - Off
  20. Operate the vehicle within the conditions of the customer's concern.
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