I’ve owned my 2017 Chevrolet Volt Premier (“Lightning’s Girl”) for two years, and it is arguably the best car ever to come into my possession.
And thanks to the car’s VOLTEC warranty, I’m covered for 8 years or 100,000 miles from the car’s date of manufacture. So I’ve got 15,000 miles OR one more year of coverage on the Volt’s most problematic component.
It’s nicknamed the BECM. The BECM is the Battery Energy Control Module, and Volts from model years 2016-2018 have noted failures in that specific item.
And you’re thinking … what kind of failure could a BECM do?
Imagine driving on the highway, and suddenly your car decelerates to 25 miles an hour. Just out of the blue. That’s a BECM failure. Or the car won’t start. Or it won’t hold a charge. Or a number of other things.
Now I personally don’t know if my BECM is original with Lightning’s Girl, or if it was replaced prior to the car coming into my possession. But if the car ever goes out of warranty and the BECM fails … yeah, I don’t even want to think about it.
Which is why this recent report from General Motors caught my attention.
According to the newly released GM Technical Bulletin N232432680, Chevrolet has extended is warranty for all Volts from model years 2016 to 2018 (including my 2017 Premier) to 150,000 miles or 15 years from date of manufacture.
Which means I can drive Lightning’s Girl for 65,000 more miles – or for six more years – knowing that if (God forbid) the BECM module barfs, GM will fix it without cost to me.
This is good news.
Here’s a shot of the technical bulletin, as cribbed from Reddit’s r/volt subreddit.
See? Among all that mumbo-jumbo is the extension for Chevrolet Volts from 2016 to 2018 (including my 2017) of their warranties for 150,000 miles or 15 years, whichever comes first.
So if that dreaded BECM craps out on me …
At least my wallet won’t crap out at the same time.
Chuck The Writer 
I also have a 2017 Chevy volt andnon March 15th 24 the battery control module went out on it, and wouldn’t start, wouldn’t charge and had shift to park, had it towed to the dealer near me and I was told that my warrant had expired 10 days earlier on March 5th.. With diagnostics to find the cause of why it shut down, and replacing the control module and more coolant and being without my car for 2 weeks, my final bill was $2300..
1 week after I got my car back from the dealer I got the letter in the mail saying that the warranty had been extended from 8 to 15 years and 150000 miles and it went into effect on March 6th 2024.
But on March 15th when my car was towed to the dealer there wasn’t any notification or anything in the warranty system saying anything about the extension.
So now I am at the mercy of the system they use to try and get reimbursed the money I paid for the repair, I just don’t understand why if the extension went into place on March 6th, why wasn’t it in the Chevrolet warrany system on the 15th??
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