2016 Chevrolet Impala power train problems

“The contact owns a 2016 Chevrolet Impala. The contact stated while driving at an undisclosed speed, the accelerator pedal was depressed, however the vehicle failed to accelerate as intended. In addition, the contact noticed an abnormal sound and the vehicle stopped. The contact stated that the instrument cluster displayed a blank screen. The contact attempted to shift the gear shifter, however the gear shifter failed to shift as intended. The contact stated after several attempts, the gear shifter shifted as intended. The vehicle was driven to the residence. The vehicle was taken where it was diagnosed with a failed transmission. The contact was informed that the transmission needed to be replaced or rebuilt. The vehicle was not repaired. The vehicle was taken to the dealer where it was diagnosed with a failed transmission. The contact was informed that the transmission needed to be replaced. The vehicle was not repaired. The contact referenced an unknown recall; however, the VIN was not associated with a recall related to the failure. In addition, the contact was informed that the failure was a known failure with the vehicle. The manufacturer was made aware of…”

“Between 25mph and 35mph transmission will " lose " gearing and start revving when I'm stuck in traffic, causing a safety concern/risk. Have to stop the car completely and let her cool down below half operating temp for the transmission to rekick into gear. Happens Everytime after driving through cities, ATF has a slight gray tinge to it but no burning smell”

“I am filing a complaint regarding ongoing and worsening issues with my Chevrolet vehicle, which appear to point to broader defects involving the engine and electrical systems. Months ago, while driving, the car suddenly lost power and displayed "Engine Power Reduced." I had to keep using it due to work needs. Over time, it hesitated more during acceleration and felt increasingly unsafe. When I finally brought it to a Chevrolet service center, I was told the issue involved the pistons. The vehicle also regularly shows a "Shift to Park" warning even when the gear is in Park, raising concerns about the transmission's reliability. The power loss continues, especially when going uphill — again triggering the "Engine Power Reduced" alert and dropping the speed to no more than 35 MPH. A diagnostic showed a P0302 code for a cylinder 2 misfire. The radio head unit, already replaced once under warranty, failed again after just 9 months. Prior to the worsening idle and gear issues, I also received network-related codes involving the ECM and transmission computers. Although I’ve replaced the alternator, the car still shows "Service Electric System" warnings, suggesting…”

“The contact owns a 2016 Chevrolet Malibu. The contact stated that after shifting to park, the message to shift to park was displayed. The failure occurred intermittently and had become more persistent over time. The vehicle was not taken to the dealer to be diagnosed or repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 130,000.”

“Car showing warning : engine power reduced Car decelerate unexpectedly Car won’t accelerate past 20 mph intermittently - when putting car in park, car won’t recognize when in the park positioned and shows warning : shift to park”

“The contact owns a 2016 Chevrolet Malibu. The contact stated that occasionally while shifting into park(P), the computer failed to register that the vehicle was in park(P). The message "Shift to Park" was displayed on the instrument panel. The contact stated that during the failure, the doors failed to lock. No warning lights were illuminated. The vehicle was taken to a local dealer where the vehicle was diagnosed, and the contact was informed that the shifter, shifter harness, and shifter switch needed to be replaced. The vehicle was repaired; however, the failure persisted. The manufacturer was notified of the failure. The approximate failure mileage was 47,000.”