I have a 2013 Chevy Volt, and the 12V battery has never been replaced. It seems to be functioning fine with no signs of deterioration. Is this normal? Should I replace it now, or is it better to get it tested first? Where are the best places to have it tested and replaced, other than the dealer?
The only issue I’ve encountered is the “Reduced Propulsion Power” warning when the main battery is low. Sometimes it appears, and sometimes it doesn’t, even when the main battery is running low. I now know to switch to Mountain mode before it gets too low.
Could the issue be related to the original 12V battery? I would appreciate any advice or insights.
Despite its advanced age, the 12-volt battery in your 2013 Chevy Volt may still be functional. For the time being, your automobile battery looks to be working well, even though most don’t survive this long. In order to be certain, it’s a good idea to have it examined by a mechanic or at an auto parts retailer.
Instead of the smaller battery, the main battery may be the source of your car’s power problems. Attempt to inspect the car’s computer system and fully charge the primary battery in order to fix this.
I recommend getting the 12V battery tested at a local auto parts store. If the test indicates it’s nearing the end of its life, go ahead and replace it. This step can help you avoid potential issues down the road.
I’ve had a similar situation with my Chevy Volt, where the 12V battery was original and still working fine after several years. It’s not unusual for these batteries to last quite a while, but it’s a good idea to get it tested just to be safe. Many auto parts stores like AutoZone or Advance Auto Parts offer free battery testing. The “Reduced Propulsion Power” warning you’re seeing might be related to the 12V battery, especially if it’s not providing consistent voltage. Replacing it could potentially resolve the issue, but testing it first can help you avoid unnecessary costs. It’s great that you’re using Mountain mode to manage the main battery, as that helps in preserving its life.
It’s unusual for a 12V battery to last that long, but not impossible. Given the age of your Volt, it’s definitely time to start monitoring it closely.
Should You Replace It?
Even if it seems to be working, a weak 12V battery can cause various electrical issues, including the “Reduced Propulsion Power” warning you’re experiencing. It’s recommended to have it tested to determine its health.
Where to Get It Tested and Replaced
You have several options:
Dealership: They have the necessary equipment and expertise but might be more expensive.
Auto Parts Stores: Many stores like AutoZone, Advance Auto Parts, and O’Reilly Auto Parts offer free battery testing and can replace the battery if needed.
Independent Mechanic: A trusted mechanic can also test and replace the battery.
The “Reduced Propulsion Power” Warning
While the 12V battery could be a factor, it’s more likely related to the main high-voltage battery. The warning usually appears when the main battery is low and the car needs to conserve power. Switching to Mountain mode is a good strategy to extend the range.
To Isolate the Issue:
Have the 12V battery tested.
Monitor the frequency and conditions under which the “Reduced Propulsion Power” warning appears.
Consider having the car’s computer system checked for any error codes.
If the 12V battery is indeed causing issues, replacing it should resolve the problem. However, if the warning persists after replacing the 12V battery, it’s advisable to have the car’s electrical system diagnosed further.