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Home >> Chevrolet >> 2016 >> Spark LS, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Programming And Setup - All Systems) >> Repair Instructions >> K20 Engine Control Module: Programming and Setup (LC5) >> ECM Replacement
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ECM Replacement

WARNING: This page is about a different car, the 2015 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.

If the engine control module (ECM) is replaced, the following procedures must be performed:

  1. Connect a scan tool to the vehicle and access SPS. Refer to Service Programming System (SPS) .
    NOTE: The Prepare Control Module for Removal function can only be performed when communication with the old control module is still possible.
  2. Before removing the old control module, perform the SPS function Prepare Control Module for Removal.
  3. Replace the ECM.
  4. Perform the SPS function Engine Control Module - Programming and follow the on-screen instructions.
  5. Perform the SPS Function Immobilizer Learn. Refer to Immobilizer System Component Programming .
  6. Clear DTCs after completing the programming procedure.
  7. Start and idle engine.
  8. Perform the throttle/idle learn. Refer to Q38 Throttle Body: Throttle/Idle Learn
  9. Perform the crankshaft position system learn. Refer to Crankshaft Position Variation Learn
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