2021 Chevrolet Silverado electrical problems
112 of the 833 complaints owners filed with NHTSA about the 2021 Chevrolet Silverado name the electrical system (NHTSA’s “Electrical System” heading — wiring, modules, batteries, charging, infotainment and driver displays — NHTSA's broadest heading). Filed under the same heading: 600 manufacturer bulletins. Every figure below is a document in a federal file, linked; none is a failure rate, and none is a verdict on any one car.
What owners filed about the electrical system
Source: NHTSA complaint database2 of the 112 reports a crash · 4 a fire · 0 injuries. Self-reported, unverified.
Filed per year: 2020: 2 · 2021: 12 · 2022: 4 · 2023: 10 · 2024: 26 · 2025: 29 · 2026: 29
Half of the 13 owners who gave an odometer reading reported the electrical problem between 1,000 and 69,000 miles. A median of reports, not the life of a part.
833 complaints in all about the 2021 Chevrolet Silverado, 29 filed in 2026. The whole picture, every system →
Counts are owner reports to NHTSA, not verified defects, and scale with how many of these were sold; nothing here is a rate. NHTSA groups complaints coarsely, so “Electrical System” means the same area of the vehicle, not one fault.
Across model years: Chevrolet Silverado electrical problems, every year on file →
In owners’ own words
Source: NHTSA complaint databaseFiled with NHTSA by the people who own these cars, about the electrical system. Quoted as written, with anything identifying removed; unverified reports — what was said, not a finding that it was true.
On July 27, I encountered a failure of the rear vision display system on a 2021 Chevrolet Silverado. In short, the system used to display the rearview image went blank, and remained blank, the moment I first shifted the vehicle into reverse. Hence, no rearview image was visible while I was in the process of backing up the vehicle.
Car Fire - Started at the rear of the cabin between the cabin rear window and the truck bed The fire engulfed directly around and inside the fuel tank. The car is available for inspection as far as im aware at the tow / salvage yard The safety of myself and any passengers were greatly put at risk.
Driver side front marker light bulb not working after 700mi. Not a big problem but annoying enough for a 2 week old, $49,000 truck
I lost control of the vehicle when the road became bumpy. The vehicle was bouncing up and down pitching from side to side. I was driving the posted speed limit. This happened on the day I bought the vehicle and I was on my way home from the dealership. At first I thought the vehicle was acting like that because it was new. Nope.
On thursday feb 18th is was snowing when I left work, drove around the beltway approximately 30 miles going on average 30-40 MPH. No issues just bad roads. Right after I left the highway and turned on to a main road, I was approximately 1 mile on that road in the middle lane driving straight at about 25-30 MPH when my new 2021 Silverado…
What is on file about the electrical system
Source: NHTSA recalls, investigations and manufacturer communications600 manufacturer bulletins filed under this heading
The 0 newest are listed; every one is on the model year’s page. Quote the document number at a service desk — it is a diagnosis the maker has already written down.
Trouble codes named on this system
P12A6 P30BF P0442 P0455 P0016 P0201 P0202 P0203
Codes a bulletin or an owner’s complaint about the 2021 Chevrolet Silverado names on this model year; a code with a record of its own links it.
Other systems with a record on the 2021 Chevrolet Silverado
Source: the same files- engine problems 437 complaints
- transmission and drivetrain problems 239 complaints
Common questions
Source: NHTSA complaint database, recalls and manufacturer communicationsAre electrical problems common on the 2021 Chevrolet Silverado?
They are documented: NHTSA holds 112 owner complaints naming the electrical system on this model year (13% of everything owners filed about it), and 600 manufacturer bulletins are filed under the same heading. Whether it is a problem on one particular car is a diagnosis, not a count, and a count says nothing about how many were sold.
Is there a recall for the electrical system on the 2021 Chevrolet Silverado?
No recall campaign is filed under this heading for this model year (there are 9 filed under other headings). A bulletin is not a recall: it carries no federal duty to repair for free.
When do electrical problems show up on the 2021 Chevrolet Silverado?
Owners who gave an odometer reading reported it at a median of 44,540 miles; half of them between 1,000 and 69,000. That is when reports cluster, not the life of a part.
What does NHTSA's "Electrical System" heading cover?
Wiring, modules, batteries, charging, infotainment and driver displays — NHTSA's broadest heading. Owners choose the heading when they file, so it says which area of the vehicle the complaint is about, not which part failed.