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.
Diesel - 3.0L
If a 3.0L Controller was replaced, navigate to "Misc. Functions" and perform all applicable routines:
The available routines may vary depending on model and year of vehicle.
- ECU Replacement With Value Transfer - if the ECU to be replaced is still responsive
- Program Variant Code
- Reset of SCR Long Term Adaptation Factor
- SCR DEF Tank Fluid Level ResetNOTE:
If the PCM/ECM data transfer is able to be completed, it may not be necessary to perform routines 5 - 9.
- 2014 LX ONLY - ECU Replacement Without Value Transfer - if the ECU to be replaced is NOT responsive
- Check PCM/ECM VIN. This is not needed if "ECU Replace With Value Transfer" completes correctly.
- Injector Quantity Adjustment. This is not needed if "ECU Replace With Value Transfer" completes correctly.
- Reset of O2 Values
- Reset Zero Fuel Quantity Calibration
NO RELATED
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.