Chevrolet Silverado Complaints (2021)

989 consumer complaints on file.

#11709177January 6, 2026
POWER TRAIN
CEL on. Lifter failure on cylinder 1.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11708914January 5, 2026
ENGINE
The contact owns a 2021 Chevrolet Silverado 1500. While the contact's husband was driving at an undisclosed speed, the vehicle started chugging and the engine seized. No warning lights were illuminated. The vehicle was towed to an independent mechanic, where it was diagnosed with engine failure. The contact was informed that a rod had detached and was sticking out of the engine. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The contact referenced an unknown recall with a similar failure description; however, the VIN was not under recall. The manufacturer was made aware of the failure but provided no assistance. The contact was advised to contact the NHTSA Hotline to report the failure. The failure mileage was approximately 50,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11708927January 5, 2026
ENGINE
The engine failed while driving down the road at night in single digit temperatures. After further investigation, there is a connecting rod sticking out of the engine. I looked to see if there was a recall or anything. Sure enough there was. 2021-2024 Silverado 6.2 liter engines for crank shafts and connecting rod malfunction. I'm curious how my 2021 6.2 liter Silverado that has a connecting rod sticking out the side of the block is not part of this recall?
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11708236January 1, 2026
AIR BAGS
I was in an accident that resulted in being hit on the passenger side and then colliding with a traffic light pole. My concern is I hit the pole head on and my airbags never deployed
Crash:
Yes
Fire:
No
Injuries:
0
Deaths:
0
#11708060December 31, 2025
STRUCTURE:BODY
APPARATUS USED TO HOLD HOOD UPRIGHT, (2 STRUTS), FAIL WITHOUT WARNING. STRUTS HAVE BEEN REPLACED FOUR (4) TIMES IN PAST TWO (2) MONTHS WITH TWO ( 2) OEM PARTS AND ONE (1) AFTER MARKET PART. LAST OCCURANCE, 12/26/2025, CAUSED A MINOR HAND INJURY. IF NOT PREPARED FOR SUDDEN CLOSING OF HOOD, POSSIBLE SERIOUS INJURY COULD RESULT. THE VEHICLE AT PRESENT HAS 19,775 MILES AND HAS BEEN EXAMINED BY THREE (3) SERVICE TECHNICIANS FROM DEALERSHIPS AND CAN NOT EXPLAIN WHY IT IS OCCURING OR HOW TO REPAIR IT.
Crash:
No
Fire:
No
Injuries:
1
Deaths:
0
#11707687December 29, 2025
AIR BAGS, SEAT BELTS, ELECTRICAL SYSTEM
A week or two before I took my truck into decorah Chevy isr because tailgate was going up and down all by itself while I was driving or parked without me by it. They said it was just the latch button . So they fixed it they said and still my blinker lights would just come on and then I hit a deer and my seatbelt did not latch and my airbags didn't deploy even though my app says they did. I'm wondering if all three are connected with electrical . Either way my air bags did not deploy and my truck has extensive damage and my seatbelt didn't lock ,
Crash:
Yes
Fire:
Yes
Injuries:
0
Deaths:
0
#11707142December 26, 2025
ENGINE
The truck has 61000 miles on it I got it in August there is engine knock which sounds like a bearing might’ve went and now the rod is loose in there. There is a large recall already regarding the same make and model of my truck for this exact issue.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11706995December 25, 2025
AIR BAGS, SEAT BELTS
I was in an accident my seatbelts did not lock and OnStar was called , it says my airbags were deployed I could smell a smell but nothing deployed
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11706911December 24, 2025
ENGINE
GM 6.2L L87 that was outside of GM original recall engine failure. Engine was running, made loud grinding and squealing sounds then shut off and now engine is locked up.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11706969December 24, 2025
ENGINE, VEHICLE SPEED CONTROL, POWER TRAIN
Throttle Body Failure Anti brake lock failure Throttle position sensor failure Power reduced *Vehicle has been to repair shop 3 times and the issue prevails. It poses a risk to my community because my loses power sporadically*
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11706525December 22, 2025
POWER TRAIN, ENGINE
The contact owns a 2021 Chevrolet Silverado 1500. The contact stated that after the vehicle was stopped at a traffic light or stop sign, while attempting to accelerate, the vehicle briefly lost motive power before slamming into gear. The check engine warning light was illuminated. The contact stated that the failure had gotten worse. The vehicle was taken to the dealer; however, no cause for the failure was found. The contact stated that the failure persisted. The vehicle was taken to several dealers; however, no cause for the failure was found. The manufacturer was not notified of the failure. The failure mileage was approximately 140,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11705992December 18, 2025
ENGINE
I have three check engine codes P0340 Camshaft Position Sensor A Circuit (Bank 1 or single sensor) P0341 Camshaft Position Sensor A Circuit Range/Performance (Bank 1 or single sensor) P0016 Crankshaft Position - Camshaft Position Correlation - Bank 1 Sensor A The last one is the same code that’s involved in the L 87 recall that my vehicle is three months shy of I have a 2021 Silverado trail bus 6.2 L that was manufactured in December 2020 I have very rough idol delayed throttle response in multiple camshaft codes that correlate with the crankshaft symptoms of the L 87 recall
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11705518December 17, 2025
EQUIPMENT:ELECTRICAL:ENGINE BLOCK HEATER
The contact owned a 2021 Chevrolet Silverado. The contact stated that after plugging in the block heater around 5:15 P.M. while the vehicle was parked unattended in the tool shed, he was notified around 9:45 P.M. that the tool shed and vehicle had caught fire. There were no issues with the vehicle before the failure. There were no reported injuries, airbag deployment, or police report filed. The fire department was able to extinguish the fire. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was contacted, and they opened a claim. The insurance company's fire specialist determined that the block heater was faulty and would reach out to the legal team. The vehicle and tool shed were deemed a total loss by the insurance company. The vehicle was still at the contact's residence. The failure mileage was approximately 100,000.
Crash:
No
Fire:
Yes
Injuries:
0
Deaths:
0
#11705745December 17, 2025
ENGINE
In January 2024, I experienced an engine failure in my 2021 Silverado with the 6.2 Engine. My VIN was not part of the recall affected VIN units built in 2021-2024, it seems to have been built a few months before the last affected group, In any case, I noticed the engine stumbling, and the check engine light came on. I was able to drive the truck home, and when I went to start it the next day, the check engine light was off, so I drove it, and the engine stumbled the check engine light came back on, so I took it to the dealer. They read the codes, and cylinder 5 was misfiring. When they put a scope in that cylinder, the cylinder walls were scored, and there was oil in the cylinder. At that point the dealer chose to replace the engine with a remanufactured engine with no additional warranty added, or any other remuneration for the inconvenience. They did not share with me any specific reason (Lifters / Camshaft / something else) for the engine failure.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11705469December 16, 2025
ELECTRICAL SYSTEM
The vehicle has been showing a “shift to park” message error upon shutdown even though the vehicle is fully in park and door automatically unlock when parked. This has left the accessories on and drained the battery
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11705001December 15, 2025
AIR BAGS, SERVICE BRAKES, FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
The brake stopped working. I just bought the car two months ago.
Crash:
Yes
Fire:
No
Injuries:
0
Deaths:
0
#11704659December 12, 2025
ELECTRICAL SYSTEM
The contact owns a 2021 Chevrolet Silverado 2500. The contact stated that the connector for the heater system was causing the vehicle to overheat, subsequently enabling the vehicle to go faster than 50 MPH. If the vehicle reaches 75 miles, it would immediately decrease in speed to 5 MPH. The vehicle was taken to a certified mechanic who diagnosed a P20C1 code, indicating reductant heater failure had occurred. The vehicle was not repaired. The contact called the dealer, who recommended calling the NHTSA Hotline to file a safety complaint. The manufacturer was informed of the failure they also referred the contact to the NHTSA Hotline to file a safety complaint. The failure mileage was approximately 68,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11704169December 10, 2025
ENGINE AND ENGINE COOLING
The contact owns a 2021 Chevrolet Silverado 1500. The contact received notification of NHTSA Campaign Number: 25V274000 (Engine and Engine Cooling); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact stated that the check engine warning light was illuminated, and the vehicle was idling roughly. The vehicle was taken to a certified mechanic who replaced an undisclosed sensor. The contact stated that the warning light remained illuminated. The vehicle was taken to the dealer, who diagnosed that the camshaft had failed and there were metal shavings found in the oil filter; however, the dealer was unable to determine the cause of the failure. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 119,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11703938December 9, 2025
LATCHES/LOCKS/LINKAGES:TAILGATE:LATCH
The contact owns a 2021 Chevrolet Silverado 1500. The contact stated that after activating the 4WD in the driveway and going onto the road, while in 4WD and driving 35 MPH, the transfer case began making a blender-type sound with a pinging sound coming from the vehicle. The contact stated that the tailgate unexpectedly opened while driving on a side road without warning. The contact had to manually operate the tailgate; however, the button was nonfunctional. There were no warning lights illuminated. The contact linked the failure to the Customer Satisfaction Program N212328090 and GM Bulletin N232426400. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was contacted and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 84,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11703945December 9, 2025
ENGINE
The contact owns a 2021 Chevrolet Silverado 1500. The contact stated that while driving at an undisclosed speed, the contact heard a popping sound, and the engine seized. No warning lights were illuminated. The contact coasted off to the shoulder of the road. The contact stated that while attempting to restart the vehicle, there was an abnormal banging sound coming from inside the engine. The vehicle was towed to an independent mechanic, where the vehicle was diagnosed with engine failure. The contact was informed that the engine had an internal failure. The contact was informed that the engine needed to be replaced or rebuilt. The vehicle was not repaired. The contact referenced an ongoing NHTSA investigation. The contact declined the repair while awaiting the results of the current NHTSA investigation. The manufacturer was not made aware of the failure. The failure mileage was approximately 108,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0

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