Vehicle Data Hub

2003 Chevrolet Impala electrical system problems

Owners reported electrical system problems in 271 complaints for the 2003 Chevrolet Impala, 29% of the complaints on file. It is the most reported problem area for this model year.

At a glance

Complaints
271 29% of this year's complaints
Typical mileage
99,000 miles 202 complaints with mileage
Crashes and fires
5 and 7
Injuries and deaths
2 and 0

Source: NHTSA owner complaints

When electrical system problems show up

Electrical system complaints by mileage, 2003 Chevrolet Impala Complaints by odometer reading in 20,000-mile steps. The median is about 99,000 miles. 0k to 20k miles: 10 complaints 20k to 40k miles: 10 complaints 40k to 60k miles: 20 complaints 60k to 80k miles: 37 complaints 80k to 100k miles: 25 complaints 100k to 120k miles: 23 complaints 120k to 140k miles: 25 complaints 140k to 160k miles: 20 complaints 160k to 180k miles: 6 complaints 180k to 200k miles: 10 complaints 200k+ miles: 16 complaints 040k80k120k160k200k miles Typical: 99,000 miles
Based on 202 complaints that include mileage. 20% 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 miles10
20k to 40k miles10
40k to 60k miles20
60k to 80k miles37
80k to 100k miles25
100k to 120k miles23
120k to 140k miles25
140k to 160k miles20
160k to 180k miles6
180k to 200k miles10
200k+ miles16

What the data shows

Of the 202 electrical system complaints that report mileage, the median is about 99,000 miles, and 20% were reported before 60,000 miles.

These complaints mention 5 crashes, 7 fires, 2 injuries.

What owners wrote

Tl* the contact owned a 2003 chevrolet impala. While driving 35 MPH, the contact's vehicle stalled and crashed into a telephone pole. The air bags failed to deploy. A police report was filed and minor injuries were sustained. Medical attention was not received. The vehicle was destroyed. The contact received a recall notice for NHTSA campaign number: 14v400000 (electrical system).the manufacturer was not made aware of the failure. The failure mileage was 87,000.

Reported at 87,000 miles, December 2012 CrashInjury

Tl* the contact owns a 2003 chevrolet impala. The contact stated that while parked, the vehicle failed to start and the anti-theft security warning light illuminated. The contact was able to start the vehicle after several minutes. The vehicle was taken to the dealer for diagnosis where the technician stated that the body control module and the ignition would have to be replaced and reprogrammed. The vehicle was not repaired. The VIN was not available. The approximate failure mileage was 90,000.

Reported at 90,000 miles, March 2012

Other problems reported for the 2003 Chevrolet Impala

Electrical system problems in other years

Electrical system problems across all Chevrolet models