SUV appears to get stuck in gear or struggle shifting causing jerky behavior and erratic drivability. Stopped driving and had it towed to dealer. Dealer stated Engine Code P0747 shown. Dealer stated faulty transmission valve body but no ETA on parts. Told to keep driving unless condition gets worse. Vehicle is less than 2 years old and 20,000 miles. Check engine light goes on and off relating to the same condition and sometimes having shift issues.