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Home >> Chevrolet >> 2016 >> Express 2500 Base, Van Cargo, 4.8L Eng VIN F >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Programming And Setup - All Systems) >> Repair Instructions >> K20 Engine Control Module: Programming and Setup >> K20 Engine Control Module: Programming and Setup (LGH) >> ECM Replacement
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ECM Replacement

WARNING: This page is about a different car, the 2015 GMC Savana 3500, 2015 GMC Savana 2500, 2015 Chevrolet Express 3500, and 2015 Chevrolet Express 2500. 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:

    NOTE:

    Clear any DTCs that may have set after completing the programming procedure.

  1. Enable ECM Reprogramming-Refer to Service Programming System (SPS) .
  2. Perform the CKP Variation Learn-Refer to Crankshaft Position Reluctor Wheel Learn .
  3. Perform a Theft Deterrent Module Programming and Setup-Refer to Theft Deterrent Module Programming and Setup .
  4. Perform a Fuel Injector Flow Rate Programming - Refer to Fuel Injector Flow Rate Programming
  5. Perform a Diesel Particulate Filter (DPF) Service Regeneration Enable-Refer to Diesel Particulate Filter (DPF) Regeneration Enable .
  6. If over 14k GVW, program the engine serial number with the scan tool.
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