Welcome to the forums. You need to read the trouble codes out. This link will explain it.Wats up! bran new to honda atv. I bought a 2004 rancher a month ago. i love it but to day while riding it wouldnt shift while climbing a hill, i had it in auto. i get home and reverse woundnt work, but forward did. now it wont go anywhere and flashes ESP in the gear position screen. Now im sad. any help would be great!