The contact owns a 2016 Ford Focus. The contact stated that while depressing the accelerator pedal, the vehicle hesitated and then jerked into the next gear. The contact stated that the hesitation occurred at various speeds. The contact stated that the check engine warning light was illuminated. Additionally, the contact stated that while slowing down, the vehicle hesitated, and then the transmission downshifted, and the vehicle jerked. The contact had not taken the vehicle to a dealer or independent mechanic to be diagnosed or repaired. The manufacturer was informed of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was 131,206.