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 - On / Vehicle - In Service Mode
3. Perform one of the following SPS Programming functions:
   NOTE:

   If both controller options below are listed, select K20/K71 Engine and Transmission Control Modules.

   • K20/K71 Engine and Transmission Control Modules and follow the on-screen instructions.
   • K20 Engine Control Module and follow on-screen instructions.
4. Verify the control module programming is successful.
   • If the programming is not successful 
   1. Ignition/Vehicle - Off - For greater than 1 min
   2. Ignition - On / Vehicle - In Service Mode
   3. Perform one of the following SPS Programming functions:
      NOTE:

      If both controller options below are listed, select K20/K71 Engine and Transmission Control Modules.

      • K20/K71 Engine and Transmission Control Modules and follow the on-screen instructions.
      • K20 Engine Control Module and follow on-screen instructions.
      • If the programming is not successfulReplace the appropriate component:K20 Engine Control ModuleorK71 Transmission Control Module
      • Go to next step: If the programming is successful
   4. All OK.
   • Go to next step: If the programming is successful 
5. All OK..