Reprogram Control Module

To reprogram an existing K20 Engine Control Module, perform the following procedure:

1. Access the Service Programming System and follow the on-screen instructions for the control module: K20 Engine Control Module
2. Ignition - On / Vehicle - In Service Mode
NOTE:

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

3. Perform the SPS function:
   • K20 Engine Control Module - Follow the on-screen instructions.
   • K71 Transmission Control Module - Follow the on-screen instructions.
4. Perform the scan tool function: Clear DTCs
5. Perform the scan tool learn/reset function:
   • Barometric Pressure Sensor Reset - If equipped
   • Fuel Pressure Regulator Learn - If equipped
   • Fuel Rail Pressure Relief Valve Learned Values Reset - 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 equipped
6. Ignition/Vehicle & All vehicle systems - Off
7. Operate the vehicle within the conditions of the customer's concern.