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Home >> Chevrolet >> 2023 >> Express 2500 LS, 6.6L Eng VIN 7 >> Repair and Diagnosis >> General Information >> Reset Procedures >> Programming And Setup - All Systems >> Repair Instructions >> K71 Transmission Control Module or Q8 Control Solenoid Valve Assembly: Programming and Setup (6L90 (MYD)) >> Unsuccessful Programming Recovery
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Unsuccessful Programming Recovery

If programming a control module is not successful, perform the following procedure:

  1. Verify the control module, data link connector and programming tool connections are secure and the tool software is up to date.
  2. Ignition Off
  3. Access SPS and follow the on-screen instructions for the control module:Select - Q8 Control Solenoid Valve AssemblyorK71 Transmission Control Module

    Verify the control module programming is successful.

    • If the programming is not successful 
    1. Ignition/Vehicle - Off - For greater than 1 min
    2. Access SPS and follow the on-screen instructions for the control module:Select - Q8 Control Solenoid Valve AssemblyorK71 Transmission Control Module
      • If the programming is not successful - Replace the component:Q8 Control Solenoid Valve Assembly
      • Go to next step: If the programming is successful
    3. Select:Setup
    4. All OK.
    • Go to next step: If the programming is successful 
  4. Select:Setup
  5. All OK.