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Home >> Chevrolet >> 2023 >> Bolt EV >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (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

WARNING: This page is about a different car, the 2023 GMC Savana 3500, 2023 GMC Savana 2500, 2023 Chevrolet Express 3500, and 2023 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

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.
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