2018 Chevrolet Silverado 1500 Electrical System Problems
Owners have filed 103 complaints with NHTSA about electrical system problems on the 2018 Chevrolet Silverado 1500, 20% of all complaints for this model year. Half of the reports with a mileage happened before 38,020 miles. The words owners use most often: “trailer brake” (19% of reports).
- 103electrical system complaints
- 38,020median miles at failure
- 1mention a crash
- 1mention an injury
- 0related recalls
- 43%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Trailer brake: mentioned in 20 of 103 complaints (19%)
At what mileage do electrical system problems happen?
Based on 30 complaints that reported the odometer reading.
How serious are the reports?
Of 103 complaints, 1 mention a crash, 2 a fire, 1 an injury.
Chevrolet Silverado 1500 electrical system complaints by model year
| Model year | Electrical System complaints | Share of that year | Median miles |
|---|---|---|---|
| 2026 Silverado 1500 | 25 | 21% | 6,663 |
| 2025 Silverado 1500 | 26 | 25% | 3,000 |
| 2024 Silverado 1500 | 42 | 13% | 10,500 |
| 2023 Silverado 1500 | 62 | 16% | 41,235 |
| 2022 Silverado 1500 | 140 | 22% | 40,000 |
| 2021 Silverado 1500 | 113 | 13% | 7,500 |
| 2020 Silverado 1500 | 114 | 15% | 6,186 |
| 2019 Silverado 1500 | 191 | 17% | 9,500 |
| 2018 Silverado 1500 | 103 | 20% | 38,020 |
| 2017 Silverado 1500 | 123 | 17% | 36,000 |
| 2016 Silverado 1500 | 119 | 15% | 42,500 |
| 2015 Silverado 1500 | 164 | 15% | 51,000 |
| 2014 Silverado 1500 | 341 | 24% | 63,500 |
| 2013 Silverado 1500 | 10 | 3% | 64,360 |
| 2012 Silverado 1500 | 21 | 10% | 92,500 |
| 2011 Silverado 1500 | 26 | 5% | 75,000 |
| 2010 Silverado 1500 | 21 | 6% | 54,500 |
| 2009 Silverado 1500 | 43 | 10% | 72,000 |
| 2008 Silverado 1500 | 91 | 10% | 70,000 |
| 2007 Silverado 1500 | 81 | 10% | 70,000 |
| 2006 Silverado 1500 | 48 | 13% | 66,687 |
| 2005 Silverado 1500 | 189 | 36% | 65,000 |
| 2004 Silverado 1500 | 267 | 34% | 65,033 |
| 2003 Silverado 1500 | 195 | 24% | 79,000 |
| 2002 Silverado 1500 | 20 | 4% | 99,000 |
| 2001 Silverado 1500 | 23 | 5% | 53,000 |
| 2000 Silverado 1500 | 20 | 3% | 116,847 |
| 1999 Silverado 1500 | 25 | 4% | 101,000 |
| 1998 Silverado 1500 | 23 | 6% | 106,000 |
| 1997 Silverado 1500 | 28 | 5% | 124,614 |
When owners reported it
Related recalls (0)
No safety recall lists electrical system for the 2018 Chevrolet Silverado 1500. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
On September 10, 2026, while traveling approximately 60+ mph in the passing lane, my 2018 Chevrolet Silverado 1500 suddenly lost normal acceleration and entered Reduced Engine Power mode. Vehicle speed dropped to approximately 40 mph, and pressing the accelerator would not provide normal power…
Intermittent issues seemingly related to power or ground problems. At idle, battery voltage drops down from 14-15v to <= 12v (as indicated on the voltmeter on the dash) while turning the steering wheel. "Service StabiliTrack" message shows up on the screen, and the steering becomes very difficult…
Several times, while driving, the truck will simply shut down. It will becoime difficult to steer, then the engine will stall, killing the rest of the steering and the breaks as well as the dashboard, radio, etc. This can happen at any speed, low speed especially. I will give you an approximate…
Frequently asked questions
Do all 2018 Chevrolet Silverado 1500s have electrical system problems?
No. NHTSA has 103 owner complaints about electrical system for the 2018 Chevrolet Silverado 1500 (20% of the 521 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 2018 Chevrolet Silverado 1500 electrical system?
No recall currently lists electrical system for this vehicle.
At what mileage do electrical system problems start?
The median reported mileage is 38,020 miles: half of the reports with a mileage came before that.
What do owners say about electrical system problems on the 2018 Chevrolet Silverado 1500?
The most frequent phrase is “trailer brake”, in 20 of 103 complaints.
Other 2018 Chevrolet Silverado 1500 problems
- Power Train problems (171)
- Engine problems (103)
- Service Brakes problems (85)
See all 2018 Chevrolet Silverado 1500 problems or electrical system problems across all Silverado 1500 years.