The 2021 Chevrolet Blazer has 1 NHTSA recall campaign affecting an estimated 470 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 191 complaints with NHTSA, most often about the electrical system. Last updated July 5, 2026.
Recall campaigns
SEAT BELTS20V8110002020-12-23470 affected
Defect
General Motors, LLC (GM) is recalling certain 2020 Chevrolet Bolt EV and 2021 GMC Canyon and Sierra 1500, 2500 and 3500, Yukon, Yukon XL, Cadillac Escalade and Escalade ESV and Chevrolet Blazer, Camaro, Colorado, Equinox, Silverado 1500, 2500 and 3500, Suburban and Tahoe vehicles. Incorrect bolts may have been used…
Consequence
If a seat belt assembly is not properly attached to the vehicle, the seat belt may not properly restrain an occupant in the event of a crash, increasing the risk of injury.
Remedy
GM will notify owners, and dealers will replace the suspect bolts, free of charge. The recall began January 29, 2021. Owners may contact GMC customer service at 1-800-462-8785, Cadillac customer service at 1-800-458-8006, or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N202322230.
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“The thermometer and thermometer sensor are glitching . The engine temp needle will not rise at all, the engine fan will run the whole time driving and then when it is turned off will run for 10 min . Right before this happens a notice shows the guided steering is being limited. I disconnected the…”
“The thermometer and thermometer sensor are glitching . The engine temp needle will not rise at all, the engine fan will run the whole time driving and then when it is turned off will run for 10 min . Right before this happens a notice shows the guided steering is being limited. I disconnected the…”
“The thermometer and thermometer sensor are glitching . The engine temp needle will not rise at all, the engine fan will run the whole time driving and then when it is turned off will run for 10 min . Right before this happens a notice shows the guided steering is being limited. I disconnected the…”
“The thermostat malfunctioned causing an error message regarding “steering assist is reducedâ€�. When I parked and turned off, the engine fan continued to run. When car was restarted, the temp gauge inside was stuck at c. Took to dealership and they assessed. They repaired the thermostat under…”
“The thermostat malfunctioned causing an error message regarding “steering assist is reducedâ€�. When I parked and turned off, the engine fan continued to run. When car was restarted, the temp gauge inside was stuck at c. Took to dealership and they assessed. They repaired the thermostat under…”
“Driving on straight road going speed limit. Heard a pop behind me like a tire pop. Car fish tailed uncontrollably and ended up crashing into a ranch fence on the right side of the road. 2 of my kids and myself had injuries. When we got off the vehicle witnesses and I saw a rear link broken which…”
“Lost coolant temp so replaced sensor with one from auto zone and worked for one then pegged to cold again fan runs 100% so went and bought another coolant temp sensor from chevrolet installed that worked two pegged back to cold again fan 100% now going to pay $700.00 dollars to remove the two…”
“The vehicle showed an error on the dash which stated "action required steering assist is reduced drive with care" I tool the vehicle to the dealer I purchased it from mcclusky chevy at kings auto mall in mason ohio. They informed me that the error code is c0460:58 and gm has a service bulletin…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2021 Chevrolet Blazer as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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