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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  • ToolGuy I recently purchased 12 ignition coils, but that covered two different vehicles.
  • 2ACL Getting nice car vibes, nonetheless, $29k feels ambitious. It's a decade old and a relatively common spec of a model that's gaining notoriety as repo fodder.
  • ToolGuy A lot of days I skip lunch if I am working.
  • 3-On-The-Tree I like my 2009 C6 Corvette LS3 better. Plus it gets 30 mpg on the highway.
  • El scotto Inside EVs? Like that's not biased not a bit. /s The US government just put a 100% tariff on Chines EV's. Do BYD's or other Chinese EVs even come close to meeting US crash regulations? My money would on an empty Amazon box instead. The car market has imploded. The big three were too greedy and thought everyone wanted top-spec trucks and suvs. Too bad not everyone could afford them. The EV market has imploded in magnitudes greater than the ice market. This is exactly the wrong time to enter the US EV market.In the end, the Chinese will help a lot of lawyers buy boats. The Chinese have no respect and do not recognize intellectual property. The Chinese copy of the Land Rover that was reported that manufacturers should be very afraid of? Naw, if the Chinese try to import that lawyers will be pushing wheelbarrows full of money.Then again, any country that is great at making athletic shoes in not, repeat not known for the quality of their vehicles.Or in five years we could all be ordering our new rides off Temu.
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