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  1. Problems, Driver Warnings or DTCs - Gen 1 Volt
    I've been fighting a heat issue with my 2015 Volt. The heat always works when I have it in "HOLD" driving mode. But when I'm in normal EV mode, sometimes the heat works but most of the time it doesn't. Living in Michigan, this is going to be a huge problem this winter. When I turn the heater...
  2. Use, Care & Maintenance - Gen 1 Chevy Volt
    Hi! I have a 2013 volt that is leaking coolant. There’s damage to a metal pipe underneath the body. I think it might be the coolant inlet hose? Coolant to the battery? They are metal. The dealer says this “ ENGINE COOLING COOLANT PIPES ARE DAMAGED AND RUBBING AGAINST THE OIL PAN AND COOLANT IS...
  3. Suggestions for GM - Chevy Volt
    Please allow the new feature to defer ICE engagement to lower temperature to be flashed to the prior year Volts. For much of fall and spring I would prefer that the ICE did not run just to provide a little extra unneeded heat.
  4. Problems, Driver Warnings or DTCs - Gen 1 Volt
    Hey all, Before my 2014 Volt goes into the dealer on Monday, I wanted to get some troubleshooting help. When in EV mode, I get a lot of cold air from the vents. I first noticed this yesterday pre-conditioning the car in about 38 deg. F outside temps, and the car was plugged in to L1. On my...
  5. Problems, Driver Warnings or DTCs - Gen 1 Volt
    I searched the forums and couldn't find anyone that has had this same problem. We have two Volts, both 2013's. Mine has 66k miles on it, Wife's has 42k, and it's 12 month CPO warranty was up in May. :mad: Tonight on our way to dinner, the climate control was set to comfort, and 70 degrees...
  6. Generation 1 Chevy Volt (2011-2015)
    Why is the auxiliary coolant pump not covered under powertrain warranty when it supplies heated coolant to the engine?
  7. Generation 1 Chevy Volt (2011-2015)
    Good afternoon, Friday we had our 2013 Volt serviced to get the Coolant heater control module replaced. Every startup hereinafter it's made a gurgling noise that I assume is the coolant. When I was talking to the service advisor less than an hour before the shop closed he made it seam like they...
  8. Problems, Driver Warnings or DTCs - Gen 2 Volt
    After 3 months of purchase, now my 2017 Volt makes annoying/sharp humming noise, that comes from the front (feels like behind the display, or so). The noise is irritating, piercing to ears, uncomfortable and felt inside even when radio is on. No such sound occurred between July (purchased month)...
  9. Generation 2 Chevy Volt (2016-2020)
    I've been reading around a lot of threads here about preconditioning and haven't found an answer to this question: How can I get my DW's Volt preconditioned as warm as possible in our attached/insulated-but-not-heated garage without reducing the range (discharging the battery during...
  10. Newcomers, Owner Stories, FAQs
    I am trying to come up to speed on my new (to me) 2013 Volt. My wife suffers during the winter with cold feet. Of course I purchased the car during the end of the summer when it was impossible to test the heater under real conditions. Now that the first cold snap has hit the Minnesota river...
  11. Suggestions for GM - Chevy Volt
    The Volksvagen Westfalia improved on the air-cooled Microbus by offering the option of an auxiliary heater that burned fuel. A heater for cold-weather regions would make the Volt more user-friendly. Many vehicle buyers also insist on AWD, the Subaru AWD being the single most popular sedan in...
  12. Problems, Driver Warnings or DTCs - Gen 1 Volt
    At over 43k miles, my 2012 Volt EV mileage dropped by about 5 miles overnight (now 37, was 46 summer and 41 winter). The cause seems to be that if the fan is on at any level, the accessory usage jumps to about 30% from zero (used to be around 6% with the fan on), even in Eco mode with nothing...
  13. Problems, Driver Warnings or DTCs - Gen 1 Volt
    Hi, I recently bought a used 2014 Volt for my wife. About two weeks ago, the weather here in LA got a little cold, so she turned on the heater, only to get cold air. No matter how far up you jack the thermostat, the AC icon on the climate display shows the AC turning on and off, followed by the...
  14. Generation 1 Chevy Volt (2011-2015)
    Now that it’s getting really cold down here (45), and into my 2nd Volt Winter, I've got a few observations. The Volt’s electric heat sucks as bad as my condo’s electric heat. (But the Volt gives me an option I can’t get in my condo). I find myself thinking how lucky I am that I own a Plug-in...
  15. Generation 1 Chevy Volt (2011-2015)
    October 30, 2014. Got my 5-month old, 2014 Volt back from the dealer today (took it in yesterday). The heater now works great! Here is what was written on the ticket and I hope this helps some of you. It is the only problem I've had and was the first time it was in for repairs. I was told...
  16. Generation 1 Chevy Volt (2011-2015)
    Battery temperature management system (TMS) has been a topic of high interest for Volt owners on this forum. The related thread posted more than a year and half ago has almost 60,000 views as of today (http://gm-volt.com/forum/showthread.php?5243-Volt-thermal-management-system-temperature-band)...
  17. Problems, Driver Warnings or DTCs - Gen 1 Volt
    After the recent bulletin to have inverter modules reprogrammed, I was told my Volt was updated to the latest software versions and my intermittent heat issue should be solved. However, that is not the case. The video below describes exactly what I'm observing; while the behavior is...
  18. Problems, Driver Warnings or DTCs - Gen 1 Volt
    My question is: Has any 2013 owner been satisfied getting cabin (not seat) heat on command, while running on battery, w/o the climate system deciding (for extended periods) that you don't need it, you can't have it, or even that you need cooling instead? If so what settings do you use, and what...
  19. Problems, Driver Warnings or DTCs - Gen 1 Volt
    Had my 2013 Volt 2.5 wk now; first cold night tonight. I had a headcold; wanted a warm car. 57 degrees outside; felt like colder than that in the car Set it on comfort; upped the temp to 78 degrees; set the onscreen vent selector to blow on my face (I wasnt accidentally set to "no vents" like...
  20. Generation 1 Chevy Volt (2011-2015)
    For the second time I have had an issue where my volt would not provide heat. The "HEAT ON" symbol would not turn on and had to make a real cold trip. This is the second time this has happened so I took it into the dealer to be reviewed. Apparently this is a none issue and GM is working on a...
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