2016 VOLVO S80 Electrical System Problems

The contact called on behalf of his wife who owns a 2016 Volvo S80. The contact stated that the engine auto Start/Stop function was not operating as needed and the vehicle had a delay to start automatically upon releasing the brake pedal. There was no warning light illuminated. The vehicle was taken to an independent mechanic, where an unknown repair was completed; however, the failure persisted. Additionally, the contact stated that while driving at various speeds and driving over a pothole, the check engine warning light would illuminate. The vehicle was taken to a local Pep Boys, where it was diagnosed that the ignition coil of cylinder #1 had failed and needed to be replaced. The vehicle was not repaired. The dealer and the manufacturer were notified of the failure. The failure mileage was unknown.