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  1. Transmission indicator jumps to N while driving

    NG900 & OG9-3 Workshop
    I have a 02 93-SE auto. Each time I drive, after about five minutes the transmission indicator jumps from drive to neutral. If I change down to 3 it actually says I am in reverse! The transmission functions fine, no loss of power or raised engine note. It goes up and down the box fine and revs...