One problem related to 12v/24v/48v battery has been reported for the 2012 Chevrolet Volt. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2012 Chevrolet Volt based on all problems reported for the 2012 Volt.
The contact owns a 2012 Chevrolet Volt. The contact stated while driving approximately 50-60 mph, the engine failure, mountain mode not available, battery at zero percent, propulsion power reduced, and high Voltage messages were displayed. The check engine warning light illuminated. The vehicle then inadvertently decelerated to 30-40 mph. The contact pulled over to the side of the roadway and turned off the vehicle. After several attempts, the vehicle was able to restart. The vehicle was taken to the dealer, where it was diagnosed that the high Voltage battery pack needed to be replaced. The vehicle was not repaired. Additionally, the contact stated that the vehicle failed to pass the yearly vehicle inspection. The dealer loaded sample data into the computer and then drove the vehicle for 50 miles before the vehicle passed inspection. The manufacturer was not made aware of the failure. The contact related the failure to NHTSA action number: pe23022 (electrical system). The failure mileage was approximately 100,000.