NHTSA Complaint #11553159 — 2017 CHEVROLET IMPALA

The contact owns a 2017 Chevrolet Impala. The contact stated while driving approximately 40 MPH and ascending a grade, the vehicle lost forward momentum. The contact depressed the accelerator pedal; however, the vehicle revved but failed to respond as needed. The contact stated that she shifted the vehicle into reverse (R) and drove back down the hill. The contact stated that the transmission failure was intermittent at first but had gradually become a recurring failure. The contact stated that at the first failure there were no warning lights; however, in the later failures the transmission overheated warning light would become illuminated. The contact stated that prior to the failure the transmission had begun to jerk and hesitate. The contact had taken the vehicle to a local dealer, where it was diagnosed and determined that the transmission needed to be replaced. The vehicle had not been repaired. The manufacturer had been informed of the failure. The failure mileage was 151,343.