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HOMESERVICE MANUALSCHEVROLET2020SPARK LS, STANDARD TRANSREPAIR AND DIAGNOSISGENERAL INFORMATIONRESET PROCEDURESPROGRAMMING AND SETUPREPAIR INSTRUCTIONSK20 ENGINE CONTROL MODULE: PROGRAMMING AND SETUPREPROGRAM CONTROL MODULE
2020 Chevrolet Spark LS, Standard Trans

Reprogram Control Module

2020 Chevrolet Spark LS, Standard TransSECTION Reprogram Control Module

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. NOTE:

    If vehicle fails to start during Configuration and Setup, perform the SPS Function Immobilizer Learn and follow the on-screen instructions.

  4. Perform the following SPS function:
    1. Setup
      NOTE:

      If both controller options below are listed, select K20 Engine Control Module.

      • K20/K71 Engine and Transmission Control Modules and follow the on-screen instructions.
      • K20 Engine Control Module and follow on-screen instructions.
    2. Configuration - If applicable
  5. If equipped, perform the Fuel Pressure Regulator Learn via GDS2, Engine Control Module, Configuration/Reset Functions, Learn Functions.
  6. Clear DTCs.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.