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Home >> Chevrolet >> 2015 >> Caprice 6.0L Eng VIN 2 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 3.6L (LFX) - Repair Instructions >> Repair Instructions >> Engine Control Module Replacement >> Pre-Removal Procedure

Pre-Removal Procedure

    NOTE:

    If the engine control module (ECM) is replaced with a NEW ECM, the NEW ECM must be updated with the remaining service data retrieved from the OLD ECM.

  1. Use a scan tool and retrieve the remaining service data.
  2. Record the remaining service data.
  3. If the ECM is replaced, the following procedures must be performed:
      NOTE:

      The ECM must be reset prior to the removal from the vehicle. Failing to reset the ECM will result in the following:

      • Inability to test the ECM for warranty purposes.
      • Inability to use the ECM in other vehicles.
    1. Perform the ECM reset procedure. Refer to K20 Engine Control Module: Programming and Setup .
    2. Perform the theft deterrent programming. Refer to Control Module References .
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