Vehicle Data Hub

2003 Chevrolet Silverado 2500 electrical system problems

Owners reported electrical system problems in 86 complaints for the 2003 Chevrolet Silverado 2500, 15% of the complaints on file. It is the 2nd most reported problem area for this model year.

At a glance

Complaints
86 15% of this year's complaints
Typical mileage
72,000 miles 75 complaints with mileage
Crashes and fires
1 and 3
Injuries and deaths
1 and 0

Source: NHTSA owner complaints

When electrical system problems show up

Electrical system complaints by mileage, 2003 Chevrolet Silverado 2500 Complaints by odometer reading in 20,000-mile steps. The median is about 72,000 miles. 0k to 20k miles: 2 complaints 20k to 40k miles: 8 complaints 40k to 60k miles: 15 complaints 60k to 80k miles: 15 complaints 80k to 100k miles: 13 complaints 100k to 120k miles: 6 complaints 120k to 140k miles: 5 complaints 140k to 160k miles: 6 complaints 160k to 180k miles: 3 complaints 180k to 200k miles: 1 complaints 200k+ miles: 1 complaints 040k80k120k160k200k miles Typical: 72,000 miles
Based on 75 complaints that include mileage. 33% were reported before 60,000 miles. The amber marker shows the median: half of these complaints happened before that mileage.
View the numbers
MileageComplaints
0k to 20k miles2
20k to 40k miles8
40k to 60k miles15
60k to 80k miles15
80k to 100k miles13
100k to 120k miles6
120k to 140k miles5
140k to 160k miles6
160k to 180k miles3
180k to 200k miles1
200k+ miles1

What the data shows

Of the 75 electrical system complaints that report mileage, the median is about 72,000 miles, and 33% were reported before 60,000 miles.

These complaints mention 1 crash, 3 fires, 1 injury.

What owners wrote

Tl*the contact owns a 2003 chevrolet silverado 2500 hd. While driving approximately 40 MPH the speedometer began to display a speed of 10 MPH. As a result the vehicle was involved in a crash. A police report was filed. A passenger in the other vehicle was injured. The vehicle was towed to an independent repair shop where the body damages were repaired but the failure was not diagnosed. The contact also stated that the fuel gauge and the speedometer intermittently displayed an improper reading.

Reported at 90,000 miles, December 2009 CrashInjury

When I turn the left turn signal on, it sometimes works and sometimes it doesn't. Sometimes it turns both turn signals on like the hazards. If I have my cruise set and use the left turn signal, it shuts the cruise off. Tr

Reported at 103,000 miles, March 2014

Other problems reported for the 2003 Chevrolet Silverado 2500

Electrical system problems in other years

Electrical system problems across all Chevrolet models