Crank Relearn Procedure

Modified on Thu, 26 Oct 2023 at 08:53 AM

Before starting, make sure your laptop or PC has access to the Internet.

1. Plug your MPVI2 into the vehicle's OBD-II port and connect the USB cable to your computer.
2. Open VCM Scanner.
3. Run the engine until the vehicle reaches normal operating temperature (ECT > ~65C or 150F).
4. Put the vehicle into Park (auto) or Neutral (manual).
5. Turn off all accessories including the A/C, heater, and fans.
6. Turn the vehicle off.
7. Apply the parking brake.
8. Press the brake pedal. Keep the brake pedal depressed during the entire procedure.
9. Start the vehicle and let it idle.
10. In VCM Scanner, click Begin.
11. Gradually rev the vehicle to fuel cutoff (around 4000-5000 RPM's) over a period of about 4 seconds. When fuel cuts out, immediately release the throttle.
12. Allow the engine to come back to an idle.
13. Turn the ignition off for at least 15 seconds. This step is required for the VCM to store the newly learned configuration.

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