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 193 complaints with NHTSA, most often about the electrical system. Last updated July 20, 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.
“Xxx the car had gas, turned over, but would not start. I had it towed to a repair center who towed, did diagnostics and came up with the codes for a bad fuel pump control module. It was replaced and the car starts. There was no warning. Problem was confirmed by an independent service center. All…”
“Fuel pump control module failed at 26000. Recall number n252516900. This is a recall that other 2021 blazers have ben part of. Over 300000 recalls so far. Gm says my car isn't. Ridiculous. They dont want to acknowledge their fault. I need a formal statement that this module should be recalled for…”
“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…”
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 20, 2026. Complaint narratives are consumer-submitted and unverified. This page
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