We purchased our 2011 Volt vin # ...0236 new and took delivery in December 2010. We have thoroughly enjoyed our Volt but we are experiencing something that we do not believe should occur. As mentioned, we have owned our Volt for 6 ½ years and feel that we understand how the vehicle should perform. The vehicle currently has 69k miles of which 58k are E miles. We have started receiving the following message "Propulsion Power is Reduced" after the electrical miles have been exhausted. Which has generated an acceleration problem under normal economical driving conditions. The acceleration is significantly reduced. We have documented this with dated and mileage photographs. We first noticed this message in 2015. We contacted OnStar and they recommended that we take the vehicle to our local dealership. The dealership could not reproduce the message at that time. It occurred (4) times in 2016 and it went back to the dealership. The vehicle has been to the dealership several times over the last year. We have documented this message (9) times so far this year. The problem has been reproduce and documented by the dealership. They recently sighted a technical bulletin. Which states that this could occur if the vehicle is traveling at steep inclines or if the vehicle is driven aggressively. We tried contacting our Volt adviser and learned that the department has been dismantled. We contacted GM customer service regarding problem and they recommended that we take the vehicle to another dealership for a 2nd opinion. The recommended 2nd dealership reproduced the problem as well. GM customer representative followed up stating that the case was being closed with no resolution. The representative sighted that GM knows that the issue occurs yet it's normal. How can they believe it is normal to have no acceleration? This is a very uncomfortable feeling entering a highway with no acceleration. We have sat upwards of 10 minutes waiting for the vehicle to allow normal acceleration. Has anyone else experienced this?
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