2020 Chevrolet Silverado 1500 Engine Problems
- Complaints
- 251about this part
- Share
- 33%of 750 total for the year
- Median mileage
- 41,000miles
- Trend
- RisingComplaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.
NHTSA recorded 251 complaints about the engine of the 2020 Chevrolet Silverado 1500, 33% of the 750 complaints for this model year. Where a mileage was given, the median is 41,000 miles. 2 a fire, according to the filers.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The engine light has come on 3 times with a truck with only 9000 miles on it I took it to the dealership who gave me a code of p12a6 they told me Chevrolet is aware of this problem but has not come up with solution yet or even wrote a program to reflash the computer. Now I have a paper weight in my driveway and being that I live in a dual town trying to find a dealership that will fix it and provide rental car or truck. …”
NHTSA complaint #11406377, filed 2021-04, 9,000 miles“It cut off at a stop and after I stop with with my foot on the brakes. I fell bump in the rear of the truck, like I been rear end and the rear shakes. Some the the as well. It cut of after I stop a few seconds and start right back up. In drive way idles about 15 or longer, it cuts off. I have to restart it. And taking off in hesitation and some times movement in the rear and under the truck. Both stationary and in motion.”
NHTSA complaint #11323150, filed 2020-05, 145 miles“I was stopped n the drive thru at in-n-out with my foot on the brake and the eco system had turned off the motor. It spontaneously turned back on without me lifting my foot off of the brake and the transmission engaged and the truck launched forward approximately 12-18 inches. This is the second time this has happened to me. It also happened one night about 2 months ago. This could have been very dangerous, I could have hit someone or their car or I could have even received whiplash myself.”
NHTSA complaint #11330260, filed 2020-06, 7,300 miles“The truck is new with 700 miles. September 26th 2020 I came to a stop at a light.as I took off the truck started to jerk and the check engine light came on. I immediately drove it home. As I was driving home while in motion the truck would jerk when it was changing gears. I received a text from GM that said to have the engine or transmission serviced within 7 days. I did not drive it until I was able to take it to chevy. September 28th 2020 on the way there the vehicle did the same thing. …”
NHTSA complaint #11362658, filed 2020-10, 700 miles“On a very rainy day I was driving around the block I went through several small puddles from run off so no more than two-three inches of water. With a lot of rain and splashing from other vehicles. My truck sputters and dies, no deep water, no off-roading. I was told today that the truck is waterlocked and it isnt covered under warranty. I am astounded as this was regular driving, here is my factory lifted up truck with tons of clearance broke down in the middle of the street and little cars passing me by driving the same road I did. …”
NHTSA complaint #11321035, filed 2020-04, 2,500 milesRelated service bulletins
- 11024332Sep 6, 2025This informational bulletin advises the technician of a part number change for long block engines used in the trucks noted.
- 11024330Sep 6, 2025This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.
- 11026017Jun 5, 2025This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
- 11024486May 16, 2025This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
- 11024485May 15, 2025The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the…
- 11020254May 7, 2025This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in…
- 11019748Apr 30, 2025This bulletin advises the tech that the Exhaust Roller Follower may be the issue with the engine Ticking noise, misfire or rough run and what to replace if found the cause.
- 11019503Apr 18, 2025This warranty administration bulletin provides policy information on vehicles outside of a California Emissions State who move to and register their vehicle in a California…
- 11017443Apr 2, 2025This service bulletin provides a repair procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3055 Set.
- 11017302Mar 29, 2025This informational bulletin advises the technician that the gasket for the timing chain tensioner is not required.
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 74 | 58% |
| 2025 | 57 | 53% |
| 2024 | 149 | 47% |
| 2023 | 153 | 39% |
| 2022 | 257 | 39% |
| 2021 | 395 | 46% |
| 2020 | 251 | 33% |
| 2019 | 378 | 34% |
| 2018 | 103 | 20% |
| 2017 | 114 | 16% |
| 2016 | 72 | 9% |
| 2015 | 132 | 12% |
| 2014 | 191 | 13% |
| 2013 | 33 | 11% |
| 2012 | 25 | 12% |
| 2011 | 40 | 7% |
| 2010 | 33 | 9% |
| 2009 | 36 | 8% |
| 2008 | 44 | 5% |
| 2007 | 48 | 6% |
| 2006 | 7 | 2% |
| 2005 | 18 | 3% |
| 2004 | 18 | 2% |
| 2003 | 15 | 2% |
| 2002 | 8 | 2% |
| 2001 | 11 | 2% |
| 2000 | 10 | 2% |
| 1999 | 6 | 1% |
| 1998 | 1 | 0% |
| 1997 | 1 | 0% |
Other parts of the 2020 Chevrolet Silverado 1500
235 complaintsElectrical system
117 complaintsBrakes
116 complaintsOther or unknown
80 complaintsSteering
74 complaintsFuel system
41 complaintsVehicle speed control
28 complaintsEngine cooling
26 complaintsBody and structure
26 complaintsSuspension
20 complaintsWheels
14 complaintsElectronic stability control
13 complaints
← All problems reported for the 2020 Chevrolet Silverado 1500
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology