Stop-Sale Issued for 2024 Chevy Blazer EV

Matt Posky
by Matt Posky

General Motors has issued a stop-sale order for the all-electric Chevrolet Blazer. As previously reported, the model has been criticized for presenting reviewers with electrical problems. That’s not what you want to see from any vehicle and absolutely intolerable on an EV. Even worse is the fact that the Blazer EV uses the Ultium platform GM claims is about to underpin its future lineup.


The automaker is telling dealers to pause sales so it can address problems with charging and the infotainment system. However, the solution seems to be the obligatory “software update” every company leads off with when it’s looking like recall time.


As of yet, no formal recall has been announced. But General Motors claims it has teams working 24/7 to address the issue. It’s also trying to downplay the problems as much as possible, referencing concerns as limited in number and suggesting they have nothing to do with the new Ultium battery platform or the infotainment system's built-in Google tech.


Considering how much GM has invested into Ultium as it pivots toward all-electric powertrains, this isn’t surprising. It also needs to be said that businesses trying to pioneer any new technology tends to come with some unpleasant growing pains. But General Motors is already putting these vehicles on the road and reviewers have noticed Ultium products suffering more than usual. The Fast Lane Truck noted electrical problems with the GMC Hummer that made it un-drivable, requiring help from the dealership and a software flash. Meanwhile, both Edmunds and InsideEVs recounted similar problems with the Chevy Blazer EV.


Automotive News reported the stop-sale order was issued late on Friday, when people would be preoccupied with the holiday weekend. "We're aware that a limited number of customers have experienced software-related quality issues with their Blazer EV. Customer satisfaction is our priority and as such, we will take a brief pause on new deliveries,” stated Global VP of Chevrolet Scott Bell.


Those “quality issues” included repeat crashing of infotainment systems and problems charging. InsideEVs said it received feedback from readers claiming that they had likewise endured issues with Ultium-based products — including the Chevrolet Blazer EV, GMC Hummer, and Cadillac Lyriq.

“[Three days later,] we took it to the dealer. No one seemed to know what to do," wrote Andrew Kozar, who noticed his Blazer EV acting up after just five days of ownership. "After two weeks a tech was finally able to reproduce the issue (after some insistent prodding from myself with picture proof I was not making it up.) They decided to do a software update that bricked both the infotainment system AND gauge cluster rendering it useless. Because no speedometer means to driving. We are currently waiting on a replacement module and on week three of the dealer having my car. I was lucky enough to drive it five days issue-free."


Considering how reliant modern vehicles are on touchscreens, having one go out typically means that’s it until the vehicle can be repaired. But the Blazer EVs were said to be throwing out all sorts of codes indicating that various on-board systems were having trouble communicating with one another. Mr. Kozar even stated that the radio module his dealership installed as part of the infotainment fix wouldn’t interface with the rest of the vehicle, leaving technicians bewildered.


Charging errors have also been reported when customers have attempted DC fast charging, with InsideEVs noting that GM and Electrify America are both still working on figuring out what happened with its Blazer test vehicle. Nobody seems to have any answers yet, with some customers suggesting that dealerships don’t seem to know what to do with the vehicles. Many of the fixes have also resulted in Ultium vehicles simply charging extremely slowly, regardless of what they’re plugged into.


As of now, there are only a few thousand Ultium products on the road and most appear to be fully functional. However, it would be untrue to say that the frequency of the above problems isn’t a little alarming. You don’t normally see multiple reviewers have cars unravel like this during testing. While your author has been in situations where an infotainment screens become suddenly unresponsive or a surprise warning light appears, those instances are incredibly rare and never result in the vehicle becoming totally un-drivable.


General Motors seems to believe that the Blazer EV just needs some new code. But it apparently cannot do this via over-the-air (OTA) updates. Customers will have to bring their electric vehicle to dealer service centers for the hands-on approach.

[Images: GM]

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Matt Posky
Matt Posky

A staunch consumer advocate tracking industry trends and regulation. Before joining TTAC, Matt spent a decade working for marketing and research firms based in NYC. Clients included several of the world’s largest automakers, global tire brands, and aftermarket part suppliers. Dissatisfied with the corporate world and resentful of having to wear suits everyday, he pivoted to writing about cars. Since then, that man has become an ardent supporter of the right-to-repair movement, been interviewed on the auto industry by national radio broadcasts, driven more rental cars than anyone ever should, participated in amateur rallying events, and received the requisite minimum training as sanctioned by the SCCA. Handy with a wrench, Matt grew up surrounded by Detroit auto workers and managed to get a pizza delivery job before he was legally eligible. He later found himself driving box trucks through Manhattan, guaranteeing future sympathy for actual truckers. He continues to conduct research pertaining to the automotive sector as an independent contractor and has since moved back to his native Michigan, closer to where the cars are born. A contrarian, Matt claims to prefer understeer — stating that front and all-wheel drive vehicles cater best to his driving style.

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  • CoastieLenn CoastieLenn on Dec 28, 2023

    And this is the reason that no matter how much technology progresses, the adage “never buy the first model year of anything unless you’re willing to deal with issues” will never change.

  • Craig Craig on Dec 29, 2023

    How's the resale value on a 7 year old LG?

  • GS340Pete All new cars, repairs only, in chronological order:1996 Eagle Vision Tsi: $400 in repairs in 90k miles, and an under warranty fuel rail replacement. Did I get lucky? 2001.5 VW 'New Jetta' 1.8T auto. Transmission self-destructed within six months. "You're lucky this was under warranty, this would have been like 11 grand." Traded it immediately. Electrical gremlins started showing up too. 2002 Nissan Pathfinder. One $400 repair out of warranty, 02 sensor, in 100k miles.2012 Nissan Maxima, $0 in 24k.2013 Nissan Altima, $0 in 50k.2014 Dodge Charger AWD. $400 sensor out of warranty in 130k. Again, did I get lucky?
  • 1995 SC The Ridgeline is too new so nothing yet.The FIAT needed a tire (nail in the sidewall) and a lower steering column cover and a set of wipers. Around 200 bucksThe 30 year old Thunderbird has been needy this year. Just did fuel injectors to add to belts, hoses, motor mounts, exhaust manifold gasket, shocks and a bunch of caps replaced on various modules.Rear main has developed a small leak so I will probably have the transmission gone through when I drop it. I want to do a few things to it. I have some upgraded front calipers too but they are junk yard parts I rebuilt. Like I said, it has been needy this year but old cars do that sometimes
  • Tane94 Mini annual oil change at dealership, synthetic oil and new filter, $129 but sometimes $99 when a coupon is offered.
  • Mike Beranek All that chrome on the dashboard must reflect the sun something fierce. There is so much, and with so many curves, that you would always have glare from somewhere. Quite a contrast to those all-black darkroom interiors from Yurp.
  • Mike Beranek 2004 Buick LeSabrepurchased in 2017, 104k, $3,100currently 287knever been jumped never been on a tow truckstruts & shocks, wheel bearings, EGR valves. A couple of O2 sensors, an oil pressure sending unit, and of course the dreaded "coolant elbows". All done in my garage with parts so plentiful there are a dozen choices of everything on Rock Auto.I've taken it to the west coast twice and the east coast once. All-in I'm under 5 grand for over 180,000 reliable miles. Best used-car purchase ever.
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