Crank Relearn Procedure

Preparation:
Before beginning, ensure your laptop or PC is connected to the Internet.

Steps:

1. Plug your MPVI device into the vehicle’s OBD-II port and connect the USB cable to your computer.
2. Open VCM Scanner on your computer.
3. Start the engine and run it until the vehicle reaches normal operating temperature (ECT > ~65°C or 150°F).
4. Place the vehicle in Park (for automatic transmissions) or Neutral (for manual transmissions).
5. Turn off all accessories, including the A/C, heater, and fans.
6. Turn off the vehicle.
7. Apply the parking brake.
8. Press and hold the brake pedal; keep it depressed throughout the entire procedure.
9. Restart the vehicle and let it idle.
10. In VCM Scanner, select Begin to start the relearn procedure.
11. Gradually increase the engine speed to the fuel cutoff (around 4000-5000 RPM) over approximately 4 seconds. Once the fuel cuts out, release the throttle immediately.
12. Allow the engine to return to idle.
13. Turn off the ignition for at least 15 seconds to store the newly learned configuration in the vehicle's VCM.