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12v battery

  1. My 2012 needs main battery replaced- out of warranty

    Generation 1 Volt (2011-2015)
    Hello, I came across this forum seeking advise after being told by the dealer that my main battery needs replaced -it failed to transition to engine mode once I depleted battery power while driving. Now I'm out of warranty, my car only has 40k miles on it and the cost is $4000 plus tax to...
  2. 2014 Chevy Volt - Shutting Down with Multiple Messages

    Problems, Driver Warnings or DTCs - Chevy Volt
    I am experiencing crazy symptoms in my 2014 Chevrolet Volt. As I was stopped at a traffic light, my vehicle completely turned off. I react to this buy trying to hit the blue power button and see the error message "Service Theft Deterrent System" but the car would not move. I end up finding...
  3. Chevy Volt 2011-2015 12V Battery replacement FAQ

    Care, Maintenance & Service - Chevy Volt
    Quick Answers: What battery does the Gen 1 (2011-2015), need? AGM BCI Group 47, GENERAL MOTORS OE Part Number: 88864595 How do I replace the battery? See general info below. Pros and Cons of AGM Batteries? Pro: Longevity, Safety. Con: Cost Does the battery have vent/overflow hose connected...
  4. 12V battery replaced after "Initializing....Please wait to shift" DIC message

    Problems, Driver Warnings or DTCs - Chevy Volt
    12V battery replaced after "Initializing....Please wait to shift" DIC message I thought I would post my experience dealing with the "Initializing....Please wait to shift" DIC message, in case it helps anyone in the future. I found other threads, but it seemed best to post my own rather than...
  5. Peace of mind for 12v battery?

    Generation 1 Volt (2011-2015)
    I understand that when the 12v battery fails, I won't be able to start my Volt. Also, unlike with regular ICE cars I probably won't notice when the 12v battery is getting weak - when the battery goes, it may be suddenly and at an inopportune time. Does anyone have recommendations for a portable...
  6. Why even have a 12V battery?

    Li-Ion Battery, Charging, Mgmt System - Chevy Volt
    So, folks, help me out here - I'm just a simple-minded PhD in Electrical Engineering, but there must be something I'm missing. The Volt never lets the main (Lithium) battery go below 15% or so (I don't know the precise number, so I'm making it up here). It's about 360V (nominal). It's...
  7. Issues from loose 12V Battery connections FAQ

    Problems, Driver Warnings or DTCs - Chevy Volt
    We have seen "gremlins" of various kinds being caused by a loose connection to the 12V battery or to its fuse block. Perhaps a dying battery could do this as well. The symptoms of loose connections can range from the dash and center console displays freezing, flashing, going "crazy", to...