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Home >> GMC >> 2019 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 319 (Programming And Setup) >> Repair Instructions >> K20 Engine Control Module: Programming and Setup >> Reprogram Control Module
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Reprogram Control Module

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

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

  1. Access the Service Programming System (SPS) and follow the on-screen instructions.
  2. 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.
  3. Clear DTCs after completing the Programming procedure.
  4. If equipped, perform the Fuel Pressure Regulator Learn via GDS2, Engine Control Module, Configuration/Reset Functions, Learn Functions.
  5. Clear DTCs.
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