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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2008EXPRESS 2500 V8-6.6L DSL TURBOREPAIR AND DIAGNOSISTESTING AND INSPECTIONPROGRAMMING AND RELEARNINGENGINE CONTROL MODULE PROGRAMMING AND SETUP
2008 Chevrolet Express 2500 V8-6.6L DSL Turbo
Engine Control Module Programming and Setup
2008 Chevrolet Express 2500 V8-6.6L DSL TurboSECTION Engine Control Module Programming and Setup
Engine Control Module Programming and Setup (W/RPO LMM)
The following service procedures require either a programming or a setup event performed for a complete repair.
ECM Replacement
If the engine control module (ECM) is replaced, the following procedures must be performed:
1. Capture the Option data.
Important: Clear any DTCs that may have set after completing the programming procedure.
2. Enable ECM Reprogramming-Refer to Service Programming System (SPS). Programming and Relearning
3. Restore the Option data in the new ECM.
4. Start and idle vehicle.
5. Using the scan tool, perform the Turbocharger Learn Procedure. Refer to Turbocharger Learn.
6. Perform a DPF Regeneration Enable. Refer to Exhaust Particulate Filter Cleaning (LMM DPF Service Regeneration) Exhaust Particulate Filter Cleaning (LMM DPF Regeneration Enable).
7. If necessary, perform the following:
* Theft Deterrent-Refer to Theft Deterrent Control Module Programming and Setup.
* The Fuel Injector Flow Rate Programming-Refer to Fuel Injector Flow Rate Programming.
* Engine Oil Life Remaining-Use scan tool to reset Engine Oil Life.
* Fuel Filter Life-Use scan tool to reset Fuel Filter Life.
ECM Reprogramming
Important: It is necessary to record Fuel Filter Life before reprogramming. The ECM reprogramming procedure will reset Fuel Filter Life to zero.
1. Record Fuel Filter Life.
Important: Clear any DTCs that may have set after completing the programming procedure.
2. Enable ECM Reprogramming-Refer to Service Programming System (SPS). Programming and Relearning
3. Reset Fuel Filter Life to the recorded value.
4. Start and idle vehicle.
5. Using the scan tool, perform the Turbocharger Learn Procedure. Refer to Turbocharger Learn.
6. Perform a DPF Regeneration Enable. Refer to Exhaust Particulate Filter Cleaning (LMM DPF Service Regeneration) Exhaust Particulate Filter Cleaning (LMM DPF Regeneration Enable).
7. If necessary, perform the following:
* Theft Deterrent-Refer to Theft Deterrent Control Module Programming and Setup.
* The Fuel Injector Flow Rate Programming-Refer to Fuel Injector Flow Rate Programming.
* Engine Oil Life Remaining-Use scan tool to reset Engine Oil Life.
Setup for Component Replacement
The replacement of some components will require a setup procedure for complete repair.
If any of the following components are replaced, a Turbocharger Learn Procedure must be performed.
* Turbocharger
* Turbocharger Vane Position Sensor
* Turbocharger Vane Position Control Solenoid Valve
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.