How do you reset PCM on 420 rancher?

To reset the PCM (Powertrain Control Module) on a Honda Rancher 420, disconnect the negative battery terminal and leave it disconnected for about 10-15 minutes to allow the PCM to reset. Afterward, reconnect the battery terminal and start the vehicle. This process clears any stored trouble codes and may help resolve performance issues. Always refer to the owner's manual for specific instructions related to your model.