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.
ECM Replacement
If the engine control module (ECM) is replaced, the following procedures must be performed:
- Capture the Option data.
- Enable ECM Reprogramming-Refer to Service Programming System (SPS) .
- Restore the Option data in the new ECM.
- Start and idle vehicle.
- Using the scan tool, perform the Turbocharger Learn Procedure. Refer to Turbocharger Learn .
- Perform a DPF Regeneration Enable. Refer to Exhaust Particulate Filter Cleaning (DPF Service Regeneration) or Exhaust Particulate Filter Cleaning (DPF Regeneration Enable) .
- 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.
Use the Manual With the Right Hardware
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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.
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