Unexpected transmission downshift to low gear
POWER TRAIN
138 NHTSA complaints · 2024-11 → 2025-08
“The contact owns a 2013 Ford F-150. The contact stated while driving 10 MPH, the speedometer went to 0 MPH, and the transmission failed to shift out of 1st gear. The contact shifted into neutral and shifted back to drive; however, the transmission still failed to upshift into”
“The faulty output shaft speed sensor (OSS) causes a signal loss between the sensor and the powertrain control module (PCM), leading to a sudden downshift into first gear, regardless of the vehicle's speed. This sudden downshift can cause the rear tires to slide, potentially”
“Ford recalled 107,850 2013 Ford F-150 trucks with 5.0-liter or 6.2-liter engines due to a transmission issue. The recall was issued on June 10, 2019, with the recall number 19V433000. The transmission could unexpectedly shift into first gear, regardless of the vehicle's speed”