Complaint volume
667 consumer-submitted complaints are matched to this model year. Treat the count as a research signal, then read the actual summaries for repeated symptoms.
Complaint records
2020 Chevrolet Silverado Complaints
667 consumer-submitted complaints on record for the 2020 Chevrolet Silverado, grouped by component category.
667 Total complaints
13 Crash reports
9 Fire reports
7 Injury reports
Complaint data reflects consumer-submitted reports. A complaint is not proof
of a defect, recall, or manufacturer fault. Enriched severity fields come
from official bulk records when the complaint can be matched by ODI number.
Buyer interpretation
How to use these complaints before buying
Complaint records are most useful when they turn into inspection points, seller questions, and comparison checks against nearby model years.
Pattern to inspect
The most common categories are engine, power train, service brakes. Use those categories as a test-drive checklist instead of judging the vehicle from the total count alone.
Severity flags
Enriched records include 13 crash reports, 9 fire reports, 7 injury reports, and 0 fatality reports. These fields come from complaint records and should be read in context.
Mileage clue
Mileage is available on 191 complaints, with an average reported failure mileage of 40,829 miles. Compare that with the mileage on the listing.
Questions to ask the seller
- Have you had any problems related to engine, power train, service brakes?
- Can I see recent maintenance and repair records?
- Has the vehicle ever been towed, involved in a crash, or repaired for the same issue twice?
- Can we also check the recall record for this 2020 Chevrolet Silverado?
Used-car checklist
Use these complaints before the test drive.
Build a buyer checklist to turn these issues into questions and inspection points.
2020 Chevrolet Silverado
Build buyer checklist Compare with other years Sends year, make, and model to pre-fill your checklist.
How severe are the 2020 Chevrolet Silverado complaints?
13 Crash
9 Fire
7 Injury
0 Fatality
36 Towed
6 Medical attention
What are the most common 2020 Chevrolet Silverado complaint categories?
ENGINE 125
POWER TRAIN 120
SERVICE BRAKES 40
STEERING 33
UNKNOWN OR OTHER 30
ELECTRICAL SYSTEM 23
POWER TRAIN,ENGINE 20
STRUCTURE 14
ENGINE AND ENGINE COOLING 13
POWER TRAIN,ELECTRICAL SYSTEM,ENGINE 11
667 total complaints on record
Latest complaints
| Date | Component | Summary | Severity | Mileage |
|---|---|---|---|---|
| Aug 2025 | ENGINE | Motor suddenly loss power and load knocking noise. After taking it to the dealer they said that number 3 cyl.connecting rod had an issue . This sounds like the same recall for the 2021 to 2024 6.2 engines. They gave me a quote for a new engine ( 20000) that was not available for 4 to 5 weeks if not more. I was on vacation at the time and ended up buying a new truck from them. I was not happy. | Crash: No Fire: No | Unknown |
| Aug 2025 | AIR BAGS,STRUCTURE | Rear window is leaking onto the carpet beneath it creating mold and could allow water to enter the SRS module. Currently i have a tray blocking that water but without that the SRS system could be affected by the water entering the cabin through the rear window. | Crash: No Fire: No | Unknown |
| Aug 2025 | SERVICE BRAKES | Rear brake inner pads completely worn while outer pads look brand new at 35,000 miles. This appears to be due to the electronic parking brake not releasing quick enough but this condition almost disables the rear brakes and could cause an accident. | Crash: No Fire: No | Unknown |
| Aug 2025 | ELECTRICAL SYSTEM,FUEL/PROPULSION SYSTEM | Shop has had the truck over two months and cannot figure out the problem will not go stuck in limp mode. | Crash: No Fire: No | Unknown |
| Jul 2025 | STEERING | Lost power steering in the middle of a corner..Almost but me into pole ..No warning..later on warning came on.Truck has 32000 miles on it | Crash: No Fire: No | Unknown |
| Jul 2025 | POWER TRAIN | defective 8-speed automatic transmission (RPO MQE, 8L45) in my 2020 Chevrolet Silverado 4x2 (VIN: [XXX] , 102,000 miles), purchased used from CarMax Orlando (6375 S Semoran Blvd, Orlando, FL 32822). The vehicle required a $5,950 repair at AAMCO Winter Haven (1350 6th St NW, Winter Haven, FL 33881) due to persistent transmission issues, including shuddering, jerking, or delayed shifting. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6) | Crash: No Fire: No | Unknown |
| Jul 2025 | STRUCTURE | The Rear Window leaks when it rains on the truck. I brought it back to the GM Chevy dealer and they applied a sealant. it immediately leaked right after. the truck now smells musty and im assuming there is mold growth. it has been at the dealership for the past two weeks while they try to figure it out | Crash: No Fire: No | Unknown |
| Jul 2025 | STEERING | No power steering alert showed up to service power steering. Very dangerous driving and power steering goes out. | Crash: No Fire: No | Unknown |
| Jul 2025 | STEERING,POWER TRAIN | Initially, turbo charger issues. Dealer after 2 weeks corrected issues with the turbo charger. We were provided loaner. Dealer took 28 days, the second time, to supposedly remedy Transmission/shifting issues. First we were told it was a valve port body. Then we were told they had to remove the pan, etc., all part of the process. Then the parts were on backorder. Finally, at the 11th hour, they installed a rebuilt transmission. Without a loaner for 2 weeks. Got the truck back and within 24 hours, the truck suddenly lost power steering while driving around curve at aprox.30 to 35 mph., check engine light on, power steering light on, trailer brakes warning light on, etc. Had it towed back to dealer in the morning and told it would be a priority. Called at 5pm. Truck has not been seen. It's not a car. It's a work truck. Seems the dealership is swamped with silverado trucks with similar transmission issues waiting for valve ports. No loaner vehicles to be had the second time after 2 weeks. Not sure what they will tell us tomorrow. | Crash: No Fire: No | Unknown |
| Jul 2025 | ENGINE | Lifter failure on the 5.3L L84 engine. Due to Dynamic fuel management that come with the trucks. | Crash: No Fire: No | Unknown |
| Jul 2025 | ENGINE | Having failure with the engine coolant control valve. Have taken my truck to the dealership for overheating and they always come and say that they can’t find an issue. They also informed me that I need to bring it back when my motor blows a head gasket which is complete bull. | Crash: No Fire: No | Unknown |
| Jul 2025 | ELECTRICAL SYSTEM | There is an issue with the wiring harness that causes vehicle to lose power. Dealership says manufacturer defect because designed with harness cover is too thin and is to close to engine so burns wires. Many other users have complained of this issue and is frequent in this model. | Crash: No Fire: No | Unknown |
| Jul 2025 | POWER TRAIN | The contact owns a 2020 Chevrolet Silverado 1500. The contact stated that while at a complete stop and depressing the accelerator pedal, the vehicle jerked. The check engine warning light was illuminated. The vehicle was taken to an unknown dealer, where it was diagnosed that the transmission was shifting hard. The vehicle was not repaired. The manufacturer was notified of the failure and the contact was informed that the vehicle was out of warranty. The contact was referred to the NHTSA Hotline to file a vehicle safety complaint. The failure mileage was approximately 40,000. | Crash: No Fire: No | 40,000 |
| Jul 2025 | POWER TRAIN | Tranmission rebuild at 70000 miles | Crash: No Fire: No | Unknown |
| Jul 2025 | ENGINE | About 3 months after the 5 year 100000 mi warranty with only 70000 miles on the duramax diesel engine the exhaust brake part of the engine emissions/exhaust split along the weld. Have seen a number of these reported on the internet as well. Sounds like a manufacturing problem. The vehicle's check engine light came on and it's now at the dealership getting a new exhaust brake housing and bracket replaced. If this was in California or the 12 states listed would be covered for 8yrs/100000 miles. | Crash: No Fire: No | Unknown |
| Jul 2025 | ENGINE | Engine seized my truck has been at the Chevorlet Tempe dealership I filed a claim with GM still no response. | Crash: No Fire: No | Unknown |
| Jul 2025 | POWER TRAIN | I had the lifters and camshaft fail in my truck as a result of the faulty fuel management system GM put in these trucks during these years of manufacturing. I was driving my kids to an appointment when they failed in the middle of the highway, leaving the truck unable to run. I have reported the problem to the dealer as well as reported to GM directly. I have spoken with 3 different garages, all of which have made it a point to tell me this is a common issue in these trucks. Prior to this happening, there were no lights on to warn me of this problem. The repair cost is $12,000 and that is to put the same parts in the failed the first time. I don’t know many consumers that can afford the costs of these repairs when GM knows this is an issue but refuses to do anything about it. | Crash: No Fire: No | Unknown |
| Jul 2025 | POWER TRAIN | Having transmission issues like other silvardos but not included in recall | Crash: No Fire: No | Unknown |
| Jul 2025 | POWER TRAIN | Having transmission problems but include in recalls like other silverados | Crash: No Fire: No | Unknown |
| Jul 2025 | ENGINE | My 2020 Chevrolet Silverado 1500 LT with the 3.0L Duramax diesel engine has experienced three separate failures of the coolant control valve over a span of less than two years. Each failure resulted in the vehicle entering reduced engine power mode, which drastically limits acceleration and the ability to maintain safe driving speeds — particularly dangerous on highways or in heavy traffic. Chronology of Failures: October 2023: First coolant control valve failure. Part was backordered. Repair took ~6 weeks. June 2024: Second failure of the same part. Another 6-week delay in repair due to part availability. June 2025: Third failure of the same part. Vehicle is currently inoperable and unsafe to drive. Each time, the failure triggered a check engine light and immediately placed the truck into reduced power mode. This issue significantly compromises driver safety, especially in high-speed or congested environments, where limited acceleration can increase the risk of collisions. Safety Concerns: Loss of acceleration power at critical times (merging, overtaking, etc.) Unpredictable vehicle behavior Extended unavailability of parts leads to prolonged periods without a functional vehicle Possible underlying design flaw or recurring part defect Given the recurrence, safety risks, and the number of similar complaints I have seen from other owners, I believe this is a widespread and systemic defect that deserves NHTSA investigation. Requested Action: I urge the NHTSA to investigate the frequency and root cause of coolant control valve failures on the 3.0L Duramax engine in the 2020–2022 Silverado models. This is not an isolated incident, and repeated failures of a critical engine cooling component warrant a safety recall or technical service bulletin (TSB) requiring redesign or replacement with a permanent fix. | Crash: No Fire: No | Unknown |
| Jul 2025 | POWER TRAIN | Transmission is sputtering when trying to shift. Mostly at low speeds it's extremely jerky like it doesn't want to go. Had Transmission fluid and filter changed, but it did not help. | Crash: No Fire: No | Unknown |
| Jul 2025 | ENGINE | Lifter failure and miss fire | Crash: No Fire: No | Unknown |
| Jul 2025 | POWER TRAIN,ENGINE | I was driving and came to a stop at a red light. When accelerating on green the transmission would not go into gear, stalling my vehicle. Nearly causing the vehicle behind me to rear end me. The vehicle eventually went into gear and started to slowly accelerate with shuttering of the transmission. | Crash: No Fire: No | Unknown |
| Jul 2025 | ENGINE | 2020 Chevy Silverado LTZ 6.2 V8 10 Speed. Started having issues with hesitation/shudder. Dropped off at a Chevrolet dealership for a diagnostic. The dealership pointed to a potential transmission issue. After having the truck for several days, they reported nothing wrong. Said they drove the truck, checked the transmission fluid, and couldn't find any issues. Picked up the truck and took it to a local repair shop. That shop drove it, but could not re-create the issue I was describing. I opted to have the transmission fluid flushed in hopes of fixing the shudder/hesitation I was feeling. After picking up the truck and driving it a couple hundred miles, the issue was still present. I made another appointment at the same local shop. This time, they called me saying the issue I'm feeling is the same problem that's been happening to these engines, the dreaded AFM (Active Fuel Management) system is starting to fail. I was told by the shop it's only a matter of time before the entire engine fails. The only way to fix the issue is to delete the AFM system by removing the old parts within the engine and replacing with new parts that do not use the AFM system. This would cost approximately $6,000 to complete. | Crash: No Fire: No | Unknown |
| Jul 2025 | ENGINE | While driving my truck the engine completely shut down. All the dash lights came on initially but then only the check engine light stayed on. My truck never would start back up after that. It was towed to GM dealership who diagnosed catastrophic engine failure. | Crash: No Fire: No | Unknown |