Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2015EXPRESS 2500 BASE, VAN CARGO EXTENDED, 6.0L ENG VIN BREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESPROGRAMMING AND SETUP - ALL SYSTEMSREPAIR INSTRUCTIONSK20 ENGINE CONTROL MODULE: PROGRAMMING AND SETUPK20 ENGINE CONTROL MODULE: PROGRAMMING AND SETUP (LGH)ECM REPLACEMENT
2015 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN B
ECM Replacement
2015 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN BSECTION ECM Replacement
If the engine control module (ECM) is replaced, the following procedures must be performed:
- Enable ECM Reprogramming-Refer to Service Programming System (SPS) .
- Perform the CKP Variation Learn-Refer to Crankshaft Position Reluctor Wheel Learn .
- Perform a Theft Deterrent Module Programming and Setup-Refer to Theft Deterrent Module Programming and Setup .
- Perform a Fuel Injector Flow Rate Programming - Refer to Fuel Injector Flow Rate Programming
- Perform a Diesel Particulate Filter (DPF) Service Regeneration Enable-Refer to Diesel Particulate Filter (DPF) Regeneration Enable .
- If over 14k GVW, program the engine serial number with the scan tool.
NOTE:
Clear any DTCs that may have set after completing the programming procedure.
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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.