The cam shaft adjuster bolts were broken and are tearing apart with in the engine and causing the car to stop and not start back again, this is also giving the check engine light, start stop mode deactivated, psm failure errors, there is a recall in china from porsche about the same errors and same year models
Tl* the contact owns a 2011 porsche panamera. while driving 35 -40 mph, the vehicle stalled and the speed dropped to 10 mph. the engine power reduced warning light and the traction control disabled warning light illuminated on the instrument panel. the vehicle was towed to a local dealer, who diagnosed that the cam shaft adjuster detached and may have caused an engine block, resulting in a loss of engine power. the manufacturer was notified and advised the contact to see a local dealer. the failure mileage was 46,000.