2003 Pontiac Sunfire electrical system problems
23 owner complaints filed with NHTSA name the electrical system on the 2003 Pontiac Sunfire — 32% of all complaints for this model year.
What owners report
“Every time I let my car sit for 2 hours or more, I start it up and the belt on the tensioner squeak for 15 seconds. Also the battery light comes on and the rim fluctuate between 1,000 and 2,000. When I drive it the battery light will continue to stay on but every time the air bag light turns on and…”
filed Sep 3, 2014
“I was driving home from vernon down's casino and was making a right and was about to switch into third gear the rpm's where 3000 and the engine just died ........ Maugeri''s auto on albany and bleeker st. Towed my car to his shop fixed the steering column as a result of the engine dieing the…”
filed Jul 7, 2014
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
23-NA-001 · Service Bulletin/Repair Instructions · issued Mar 28, 2025This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8…
PIP4723J · Service Bulletin/Repair Instructions · issued Oct 25, 2024Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to…
General Communication · Service Campaign · issued Aug 26, 2024This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and…
24-NA-098 · Service Bulletin/Repair Instructions · issued Jun 6, 2024
Electrical System problems in other Sunfire years
| Year | Reports | Share |
|---|---|---|
| 2005 Sunfire | 60 | 88% |
| 2004 Sunfire | 16 | 50% |
| 2002 Sunfire | 24 | 29% |
| 2001 Sunfire | 21 | 32% |
| 2000 Sunfire | 23 | 24% |
| 1999 Sunfire | 21 | 23% |
| 1998 Sunfire | 21 | 18% |
| 1997 Sunfire | 30 | 16% |
| 1996 Sunfire | 38 | 19% |
| 1995 Sunfire | 27 | 23% |
Other reported problem areas on the 2003 Pontiac Sunfire
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.