According to recall documents published by the National Highway
Traffic Safety Administration, these vehicles share a gas engine
that may have connecting rod or crankshaft component problems,
due to supplier manufacturing or quality issues. This can lead
to engine damage, and potentially failure, while driving —
increasing crash risks.
Prior to failure, NHSTA documents warn, impacted drivers may be
alerted of these issues through loud knocking or banging noises,
the check engine light turning on and/or other driving
performance issues, such as reduced propulsion.
As a remedy, dealers will inspect affected vehicles — and repair
or replace the engine if necessary with newer components, free
of charge. Dealers notifications began last week, with owner
letters set to be mailed out June 9.
In all, about 597,630 vehicles are covered by the recall, per a
notice dated April 24. But the company estimates that just 3%
have the defect.
When asked why owner notification wouldn't start until June 9,
GM maintained that it was “common to require time” to both
confirm mailing lists for registered owners and ensure that
dealers are prepared. The Detroit-based auto company added that
it was continuing to increase engine production, but felt
confident about having “sufficient supply to service this recall
campaign" — noting that it only expects a small percentage to
need replacements.
Drivers can also confirm if their specific vehicle is included
in this recall, and find more information, using the NHTSA site
and/or GM's recall lookup.
“The safety and satisfaction of our customers are the highest
priorities for the entire GM team, and we’re working to address
this matter as quickly as possible,” GM said in a statement sent
to The Associated Press.
An investigation by GM has found 28,102 complaints or incidents
across the U.S. related to engine failure of these vehicles
between April 2021 and February 2025, including 14,332 reports
that alleged loss of propulsion, NHTSA documents note. The probe
also identified alleged reports of 12 crashes and 12 injuries,
as well as 42 fires — but noted that causes were not always
clear and that “all specifically alleged injuries," for example,
were "minor or non-physical, and most were not crash related.”
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