2020 Chevrolet Silverado 1500 Electrical system Problems
- Complaints
- 117about this part
- Share
- 16%of 750 total for the year
- Median mileage
- 6,186miles
- Trend
- StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.
NHTSA recorded 117 complaints about the electrical system of the 2020 Chevrolet Silverado 1500, 16% of the 750 complaints for this model year. Where a mileage was given, the median is 6,186 miles. 2 of these say a crash was involved and 8 a fire, according to the filers. 1 recall campaign on record is filed under a similar system.
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“This vehicle was delivered to me in late march 2020. New smyrna beach Chevrolet sold me two faulty vehicles. The first they took back and now this second vehicles back up camera works intermittently from day one. Gm nor the dealer ship can locate the replacement part and this has been on-going for 3 months now. I do not feel safe driving a vehicle that has a faulty camera. I fear that as a result, bodily injury could result to someone else. …”
NHTSA complaint #11340017, filed 2020-07, 800 miles“This truck doesn't even have 7500 miles on it. It was driven to work this morning without issue and parked for approximately four hours. Upon attempting to start it for lunch hour three messages showed up in the dic: 1) 'service ESC', 2) 'service power steering', and 3) 'park assist off'. In an attempt to evaluate I pulled the truck forward and the available steering reflected an inoperable power steering system. I backed into the spot again and shut the truck down. …”
NHTSA complaint #11399935, filed 2021-03, 7,300 miles“My lights in the dash inside the truck. Go from bright, to dark black all the time since april 2020. My 4 wheel drive engage, wont work. 12/12/2020 in the snow trying to drive home”
NHTSA complaint #11406157, filed 2021-04, 150,000 miles“Backup camera only is functional in perfect weather conditions. If it's dark with no light, the camera has resolution similar to a 1950 tube tv. If it's rainy or cloudy, the backup camera is not functional either. There are numerous yellow lines and extremely poor quality picture in many other conditions too. Chevy has not done anything to fix this issue in my truck. The visibility is so bad I hit my trailer hitch on the bumper 7' off of my hitch location. I couldn't see that my trailer was that close to me on the screen”
NHTSA complaint #11389374, filed 2021-01, 2,668 milesRelated recalls
- 19V888000Dec 12, 2019General Motors LLC (GM) is recalling certain 2019-2020 Chevrolet Silverado 1500 and GMC Sierra 1500 trucks. The battery positive (B+) cable rings may have…Covers: Chevrolet Silverado 1500 2019–2020, GMC Sierra 1500 2019–2020
Related service bulletins
- 11027795Jan 27, 2026Certain vehicles listed above, may have a condition in which the body-to-chassis ground strap may be corroded. Dealers will replace the ground strap.
- 11024378Sep 6, 2025This service bulletin advises the technician of a possible loose ground that may be causing customer concerns of Loss of Steering Assist and/or Loss of Brake Assist and…
- 11023368May 17, 2025This informational bulletin provides information for dealers/technicians on power folding mirrors do not fold at the same speed.
- 11024486May 16, 2025This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
- 11019017Apr 10, 2025This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
- 11017595Apr 3, 2025This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
- 11017443Apr 2, 2025This service bulletin provides a repair procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3055 Set.
- 11017244Mar 31, 2025The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other…
- 11017255Mar 25, 2025This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering…
- 11017207Mar 21, 2025This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414…
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 28 | 22% |
| 2025 | 26 | 24% |
| 2024 | 43 | 13% |
| 2023 | 63 | 16% |
| 2022 | 140 | 21% |
| 2021 | 113 | 13% |
| 2020 | 117 | 16% |
| 2019 | 191 | 17% |
| 2018 | 104 | 20% |
| 2017 | 123 | 17% |
| 2016 | 119 | 15% |
| 2015 | 165 | 15% |
| 2014 | 341 | 24% |
| 2013 | 11 | 4% |
| 2012 | 21 | 10% |
| 2011 | 27 | 5% |
| 2010 | 21 | 6% |
| 2009 | 43 | 10% |
| 2008 | 91 | 10% |
| 2007 | 81 | 10% |
| 2006 | 48 | 13% |
| 2005 | 189 | 36% |
| 2004 | 267 | 34% |
| 2003 | 195 | 24% |
| 2002 | 20 | 4% |
| 2001 | 23 | 5% |
| 2000 | 20 | 3% |
| 1999 | 25 | 4% |
| 1998 | 23 | 6% |
| 1997 | 28 | 5% |
Other parts of the 2020 Chevrolet Silverado 1500
251 complaintsTransmission and drivetrain
235 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 31, 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