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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  • Brendan Duddy soon we'll see lawyers advertising big payout$ after getting injured by a 'rogue' vehicle
  • Zerofoo @VoGhost - The earth is in a 12,000 year long warming cycle. Before that most of North America was covered by a glacier 2 miles thick in some places. Where did that glacier go? Industrial CO2 emissions didn't cause the melt. Climate change frauds have done a masterful job correlating .04% of our atmosphere with a 12,000 year warming trend and then blaming human industrial activity for something that long predates those human activities. Human caused climate change is a lie.
  • Probert They already have hybrids, but these won't ever be them as they are built on the modular E-GMP skateboard.
  • Justin You guys still looking for that sportbak? I just saw one on the Facebook marketplace in Arizona
  • 28-Cars-Later I cannot remember what happens now, but there are whiteblocks in this period which develop a "tick" like sound which indicates they are toast (maybe head gasket?). Ten or so years ago I looked at an '03 or '04 S60 (I forget why) and I brought my Volvo indy along to tell me if it was worth my time - it ticked and that's when I learned this. This XC90 is probably worth about $300 as it sits, not kidding, and it will cost you conservatively $2500 for an engine swap (all the ones I see on car-part.com have north of 130K miles starting at $1,100 and that's not including freight to a shop, shop labor, other internals to do such as timing belt while engine out etc).
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