2021 VOLVO XC40 Engine Problems

The check engine light has been on my vehicle since April 1, 2024. I have taken it in twice to a Volvo dealership and they cannot give me an answer as to why this is happening. They reset it and it comes right back on after a few miles. They tell me when they get an answer they will call me back in to have it fixed. It still has not been fixed.

On October 12, 2021 the above described car had a catastrophic failure of the power system. All functions ceased and the car was dead towed on a flatbed truck. Because the tow mode could not be engaged due to loss of all power the vehicle was dragged onto the flatbed. The repair indicated the cause was a The Battery Energy Control Module (BECM). This is noted in recall R10078. This car was sent for service in April where a request for a software update was made. At that service, no recall was noted and no update was given for this condition. There has been no attempt to recall this vehicle for this problem and it is not noted as a recall for this vehicle. The failure of the energy module caused a complete loss of all power and an inability to move the car.

The 2021 XC 40 vehicle will periodically not restart - may be something to do with the safety key or some other electrical malfunction. The dashboard shows the battery symbol when the car will not restart as if the vehicle is dead (no electrical connection). Also, when the start button is depressed the dashboard illuminates with the dead battery signal, but otherwise, it seems the button is not connected to the vehicle in that the engine does not respond. Also, we had an issue where the vehicle, while we were beginning to stop at a stop sign, went dead and was not responsive. The “Start/Stop” function, although engaged in the center console, is often not operational and will show in the dashboard that it is not operational, but then, randomly (not consistent with the reasons itemized in the Volvo manual for why the start/stop function may not work), will work...