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  1. Service High Voltage Charging System (codes: P1E00, P0AA6 and P1FFF) : Software Bug

    Generation 1 Volt (2011-2015)
    2012 Chevrolet Volt. About 11 months ago I received a software update to my Volt. A few days ago, my car refused to charge and produced the message, “Service High Voltage Charging System” with the diagnostic codes of P1E00, P0AA6 and P1FFF. I took the car to Priority Chevrolet in...
  2. How do we get GM to re tune HVAC software on 2013 onwards Gen 1

    Problems, Driver Warnings or DTCs - Chevy Volt
    GM installed Automatic climate control to allow for lower energy consumption an maximum range. The 2013 onwards Gen 1 (at least the ones I've seen) need a revisit of the K33 software as they are: 1) Wasting electricity running the A/C unnecessarily counteractive to heating! 2) Running the A/C...
  3. Software Update for Gen2

    Gen2 Volt Accessories and Modifications
    Like Microsoft and Apple, I expect GM to continuously update Software. Improve Lane assist (sooner, tighter), know the speedlimit from Navigation, etc. Any thoughts or Intelligence on that? Insiders :)
  4. Anyway to check software versions against the latest?

    Generation 1 Volt (2011-2015)
    I have a CPO 2013 and was wondering if there is a way to check the software version of the car. radio, and other devices in the car against the latest out there. When I ask the dealer about updates they always ask what problems are you having... Dealer almost never sees a volt in the shop. I...
  5. 2014 With Frequent Center Stack Crashes (Nav/Bluetooth related?)

    Problems, Driver Warnings or DTCs - Chevy Volt
    I had a 2012 for 3 years and had zero problems with the infotainment system. My 2014 I've had for 3 months and have already had the center console lock up about a dozen times. It's always been due to using Navigation, and I suspect Bluetooth is involved too. Is anyone else having these...
  6. ERDTT, software update, now shuts down after temperature rise above set point

    Chevy Volt General Discussion, News, and Events
    HI, I have a 2014 volt. I have notice twice this winter that ERDTT now shuts down by itself during a single trip after temperature rises over set point. I mean without shutting off the car to reset. It was not like that last winter, after being on, it stays on whatever the temperature change...
  7. ELR Acceleration THUNK! problem

    Problems, Driver Warnings or DTCs - Cadillac ELR
    We have had an ELR since summer, and recently, we have encountered a troubling problem. During strong acceleration, we have temporarily lost response to the accelerator pedal. In the initial case (and several times there after), this occurred abruptly with a THUNK! that initially made us think...
  8. Range calculation for Spark EV too volatile

    Cheers and Jeers - Spark EV
    My family loves our Spark EV. It's a very nice, fun-to-drive, affordable EV from Chevrolet. I've got a couple of requests for the Spark EV, though. 1. The range calculation seems to be based on the average performance over the last ~25 miles. That's not enough. When we drive down or up a...
  9. Reporting Software Bugs

    Chevy Volt General Discussion, News, and Events
    After my 2013 Volt suddenly shut down and stranded me, only to find out there were 2 major software updates no one informed me about, I began to feel there is a need for a place for owners to report software bugs, weird behaviors and other issues from annoying to catastrophic. Since the major...
  10. New Software pushed to 2013 Volt?

    Software & Programming/Code - Chevy Volt
    I've been having intermittent issues with the Navigation system, iPod connectivity and MyLink freezing on me for 2-3 minutes over the past 2 weeks of ownership. I called my Volt adviser and they had me schedule an appointment with my dealership to check for software updates. This morning, I...
  11. Cruise Control... 61...63....61...63....

    Generation 1 Volt (2011-2015)
    Using my cruise control today, I could not get it to set to 62mph. If I hit up, it went to 63. If I hit down, it went to 61. Anyone else experience this? Is this a software glitch, or by design? (first I've experienced it) :confused: EDIT: just ran across this forum post. Looks like the...
  12. More Software Code in Chevrolet Volt than Boeing 787

    Generation 1 Volt (2011-2015)
    (read more...)
  13. news on map database / vehicle software updates for 2012 Volt

    Generation 1 Volt (2011-2015)
    Does anybody know how to get information on whether and when the $199 navigation disc includes [significant; actual] updates for my vehicle? ------------------------------------------------------------------------------ Has anybody heard anything about an overall software update for the 2012...
  14. More Trouble with the @#%*/ Nav System

    Suggestions for GM - Chevy Volt
    I have posted issues with the nav system in the past. Here is the latest issue. I was travelling to a shopping centre in a nearby municipality that I had never visited before. I put the address in the nav system. It correctly took me onto a major three lane highway. While travelling at 100...
  15. Letter from GM - Reprogramming the HPCM2

    Generation 1 Volt (2011-2015)
    Even though its dated October, I just received this letter today from GM. Apparently there's a glitch in the software regarding dates. Unfortnately this cannot be fixed via OnStar, so I'll have to take it to the dealer sometime in the next 12 months. (I'll probably just have it done whenever...
  16. My Volt's been updated with new NAV RADIO software

    Generation 1 Volt (2011-2015)
    My 2013 Volt has just been updated with the most recent software. Some of which isn't even released to the general public just yet. When my dealer was stumped on my issues 1-5 (see below), they contacted the system engineers in Detriot and the engineers decided to have my dealer download a...
  17. 2013 Volt: List of bugs

    Software & Programming/Code - Chevy Volt
    After 2 weeks I am very satisfied with my 'fully loaded' 2013 Volt: it drives great, looks good and efficiency is better than the EPA sticker. The drive modes of the Voltec transmission makes this the most advanced and complex car ever, and GM pulled it off. As one review noted, its a giant...
  18. IMPORTANT!!! SOFTWARE UPDATES PUT ON HOLD

    Chevy Volt General Discussion, News, and Events
    A few days ago I posted a thread about software updates being available. Yesterday I dropped my 2011 Volt #1569 off at the dealership to have these new software updates installed. The entire process took about 4 hours to complete. It is a very large update. I'm told there are a few updates to...
  19. New Software Updates NOW AVAILABLE

    Chevy Volt General Discussion, News, and Events
    I have been following this site for almost 4 years now. This is my first post, and the only reason I have come out of the shadows is because there has been a lot of talk about software updates. I am volt 1569 and the first Volt purchased in the state of MN. 2600 miles and averaging 200 MPG...
  20. IBM's Role in the Chevy Volt Design

    Software & Programming/Code - Chevy Volt
    The Volt uses an estimated 10 million lines of code, running about 100 control units. That's up from about six million lines of code in typical 2009 model cars and as little as 2.4 million in 2005. Each Volt has its own IP address. "They use it for a few things today, like finding a charging...
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