The contact owns a 2019 Chevrolet Malibu. The contact stated while driving approximately 45-50 MPH, the brake pedal was firm when depressed and the vehicle failed to stop immediately. No warning light was illuminated. The contact diagnosed the vehicle and retrieved DTC Codes for the camshaft sensor and crankcase sensor. The camshaft sensor was replaced by the contact. The vehicle was then taken to an independent mechanic, who diagnosed the vehicle and determined that the ABS vacuum pump was faulty and needed to be replaced. The mechanic replaced the ABS vacuum pump. The manufacturer was made aware of the failure but informed the contact that there was no recall associated with the VIN. The failure mileage was approximately 62,000.

- Tazewell, VA, USA

The contact owns a 2019 Chevrolet Malibu. The contact stated while driving approximately 35 MPH and slowing for a traffic signal, the brake pedal was stiff and could not be depressed. The contact stated he heard a grinding noise coming from the front tires. The contact stated that he was able to slow the vehicle by shifting to low(L) and using the parking brake. The contact stated that the check engine warning light was illuminated. The contact had not taken the vehicle to a local dealer. The vehicle was not diagnosed nor repaired. The vehicle was towed to the residence. The contact had an independent mechanic diagnose the vehicle. The mechanic retrieved DTC: P0556 (Brake Booster Pressure Sensor) failure. The mechanic also determined that the brake vacuum booster pump needed to be replaced. The vehicle had not been repaired. The manufacturer had not been informed of the failure. The failure mileage was 84,697.

- Doraville, GA, USA

The contact owns a 2019 Chevrolet Malibu. The contact stated that while driving at various speeds, the vehicle would intermittently fail to accelerate above 55 MPH as the "Engine Power Reduced" message would appear on the instrument panel. The contact also stated that an abnormal grinding noise would emit from the vehicle upon depression of the brake pedal. The contact called the dealer and was informed that she could not be given an appointment for another month. She then contacted an independent mechanic and was informed that unless the failure was persistent, they would not be able to diagnose the failure. The contact attempted to reach the manufacturer but was unable to reach a representative. The vehicle had yet to be repaired. The failure mileage was approximately 95,000.

- Holly, MI, USA