2003 Pontiac Sunfire electrical system problems
Owners reported electrical system problems in 27 complaints for the 2003 Pontiac Sunfire, 24% of the complaints on file. It is the 2nd most reported problem area for this model year.
At a glance
- Complaints
- 27 24% of this year's complaints
- Typical mileage
- 55,000 miles 18 complaints with mileage
- Crashes and fires
- 0 and 1
- Injuries and deaths
- 0 and 0
Source: NHTSA owner complaints
When electrical system problems show up
View the numbers
| Mileage | Complaints |
|---|---|
| 0k to 20k miles | 5 |
| 20k to 40k miles | 1 |
| 40k to 60k miles | 3 |
| 60k to 80k miles | 2 |
| 80k to 100k miles | 5 |
| 100k to 120k miles | 1 |
| 120k to 140k miles | 0 |
| 140k to 160k miles | 0 |
| 160k to 180k miles | 0 |
| 180k to 200k miles | 1 |
| 200k+ miles | 0 |
What the data shows
Of the 18 electrical system complaints that report mileage, the median is about 55,000 miles, and 50% were reported before 60,000 miles.
These complaints mention 1 fire.
What owners wrote
The vehicle experienced problem with the turn signal on six occasions. The turn signals and brake lights were inoperative. *nlm
The wiring harness on the vehicle has failed three times since 2003 causing failure of the low and high beams on the headlights as well as the turn signals. My understanding is that this is being caused by early corrosion. There is no warning of the impending failure. The lights immediately go out with no recourse until serviced. There is a great deal of discussion of this common problem, and the service department has admitted that this has been a common failure.
Other problems reported for the 2003 Pontiac Sunfire
- Lighting 28 complaints