The New Chevy Blazer EV Has Stumbled Twice in Recent Tests - Hard

Chris Teague
by Chris Teague

General Motors’ fortunes are tied heavily to its new Ultium EV technology. It underpins several existing and upcoming models and is the basis of the automaker’s EV efforts, costing billions of dollars and years of development. A few Ultium-based models have already gone on sale without too many issues, including the GMC Hummer EV and Cadillac Lyriq, but the most recent release hasn’t gone so smoothly. The Chevrolet Blazer EV has recently failed in two high-profile tests by automotive publications, raising questions about its electrical system and software.


Kevin Williams at InsideEVs experienced several issues on his road trip from Ohio to North Carolina, leaving him stranded at a rural charging station. Now, Edmunds is reporting a similar experience, with its almost-new long-term Blazer EV test vehicle recording dozens of errors and weeks in the dealer repair department.


While Williams’ road trip ended with a stranded journalist and a vehicle that couldn’t complete its intended journey, Edmunds’ at least ended in its home area in Southern California. The publication saw eight warning lights during its trip between Los Angeles and San Diego.


Unlike Williams, Edmunds got a 12-volt system error, but both experienced issues charging. Both experiences also unraveled over a short period, but Edmunds recorded 23 issues requiring fixes. The publication sent its SUV to the dealer, where it’s been for more than two weeks so far, requiring support from a GM technician and surrounding stores.


The list of faults is long and won’t be all that interesting for many readers, but there are a few issues to address. The body and drive motor control modules malfunctioned, leaving “lost communication” messages with some windows, while the head-up display experienced a “general electrical malfunction.”


To be fair, this is not only a brand-new vehicle but a brand-new vehicle in a somewhat untested format for GM. People often advise against buying first-generation mobile phones and electronic devices because of the complexity involved with developing an all-new product, so, hopefully, General Motors and Chevy can address these issues with an over-the-air software update to smooth the landing a bit.  


[Image: Chevrolet]


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Chris Teague
Chris Teague

Chris grew up in, under, and around cars, but took the long way around to becoming an automotive writer. After a career in technology consulting and a trip through business school, Chris began writing about the automotive industry as a way to reconnect with his passion and get behind the wheel of a new car every week. He focuses on taking complex industry stories and making them digestible by any reader. Just don’t expect him to stay away from high-mileage Porsches.

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  • Varezhka Renault Twizy, or I guess it's Mobilize Duo now. Neat looking, and these microcars and mopeds are one of the few place where BEVs actually makes sense environmentally.
  • Probert Most KIA/Hyundais are based on the e-gmp modular platform, but not all, and that's where I see Lucid's drivetrain coming in. It is arguably the most efficient, powerful and importantly, compact drivetrain in the business. A car like the Genesis G80 or GV70, which are derived from ICE cars, could benefit from these characteristics as batteries and motors are shoehorned into the chassis.
  • NJRide They need a hybrid.
  • Jonathan This plan for a mass conversion to EVs is simply lunacy. Leave them as niche products for those who want them, no problem. But to push them across the board for everyone in the near future is unnecessary. It's beyond sad that there are people who actually believe these things will "save the planet".
  • The Comedian My owned-for-just-13-months 2022 GTI had the same problem (similar UX OS).It was still broken after it was repaired under a recall. One of the several reasons I sold it back to the dealer. Not officially lemon-lawed, but I didn’t lose much on that one - Other than a headache.
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