Chevrolet · Model Report
Chevrolet Colorado2021
Showing safety data for the 2021 model year only.
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Chevrolet · Model Report
Showing safety data for the 2021 model year only.
My 2021 Chevy Colorado experienced a distinct bucking and shuddering sensation under slow acceleration at lower RPMs, specifically when shifting between 2nd and 3rd gear. There were no dashboard warning lights or malfunction codes prior to the issue. The defect was officially reproduced, inspected, and confirmed by a GM technician at a certified Chevrolet dealership on October 28, 2025, at 46,437 miles. Diagnostic scanning using GM’s GDS software explicitly confirmed that the Torque Converter Clutch (TCC) slip speed was exceeding 100 RPM when the low-speed shudder occurred. The dealership determined the component was failing and replaced the entire torque converter assembly under warranty. This documentation is submitted to prove that the TCC defect remains uncorrected in post-2019 vehicles. My sister’s identical 2021 Colorado is now experiencing the same defect at 59,000 miles, but her symptoms have progressed significantly worse to include a severe high-speed drivetrain shudder alongside the low-speed acceleration bucking.
No injuries · No fire · No crash
Iba sobre el freeway a 60 millas y de la nada el freno se puso duro no respondían me pasé a los carril de la orilla y fui metiendo freno de mano poco a poco bendito Dios me puse a salvo! La agencia me dijo que fue el booster ahora tienen que verificar que no halla fragmentos de metal en el motor!
No injuries · No fire · No crash
The contact owns a 2021 Chevrolet Colorado. The contact stated that while driving approximately 75 MPH, the engine revved without the accelerator pedal being depressed. The contact stated that while turning onto an exit ramp, the brake pedal was depressed to slow the vehicle; however, there was resistance to the brake pedal, and an excessive amount of pressure was needed to depress brake pedal to stop the vehicle. There were no warning lights illuminated. The vehicle was not taken to be diagnosed or repaired. The dealer was informed of the failure. The dealer informed the contact that failure might cause the complete engine failure. The manufacturer was not made aware of the failure. The failure mileage was approximately 106,000.
No injuries · No fire · No crash
We bought this truck from a dealer (used) and before delivery the driver seat belt recall was repaired as it was still open. Now, months later, the airbag light is on with a warning and it appears that the airbags are disabled. This started as an intermittent issue and now remains constant. Not only does the warning chime when the truck is started, it will chime at random while driving which is a distraction and a significant safety concern for our young adult driver. Our local Chevy dealer will not assess the issue for less than $300. Our mechanic told us that replacing the airbag is a minimum of $800 depending on the extent of the work. Given the prior airbag recalls impacting Chevy/GMC, I thought this is important to report in case others are seeing airbag warning issues in a more widespread issue. As airbags are such a large part of automotive safety these days, I truly believe that these issues should be checked out at no cost to the consumer. Airbags should not be something that breaks down with normal wear and tear and should be a longstanding safety feature of the vehicle. Malfunction is likely a defect, not a result of normal use.
No injuries · No fire · No crash
Brake vacum pump experienced a catastrophic failure. I was unable to step on the break because the break pedal was hard. I ran thru a red light. I was told the brake vacume pump shattered & pieces of metal went into my engine
No injuries · No fire · No crash