Tuesday, September 22, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

2021 Chevrolet Silverado 1500 engine problems

372 owner complaints filed with NHTSA name the engine on the 2021 Chevrolet Silverado 150046% of all complaints for this model year.

372
Engine complaints
46%
share of all complaints
62,248 mi
median reported incident mileage
3 / 2
crash / fire reports

What owners report

  • LM2 engine coolant control valve failure. My vehicle VIN is not listed for the repair i dont know how it is not but they want me to pay outa pocket

    filed Sep 12, 2026

  • Statement for NHTSA Subject: Safety Complaint – 2021 Chevrolet Silverado Unexpected Jerking/Harsh Transmission Engagement I am submitting this complaint regarding my 2021 Chevrolet Silverado 1500 2.7L Turbo with approximately 128,000 miles. My vehicle has developed a recurring problem involving…

    filed Sep 10, 2026

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.