1999 Porsche 911 Electrical system Problems
- Complaints
- 2about this part
- Share
- 25%of 8 total for the year
- Median mileage
- 47,863miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the electrical system of the 1999 Porsche 911, 25% of the 8 complaints for this model year. Where a mileage was given, the median is 47,863 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Consumer states: vehicle doors unlock and windows roll down automatically without being touched. The vehicle does this whether keys are in the ignition or not. Dealer installed new drivers door key switch assembly at the consumers expense.”
NHTSA complaint #10120998, filed 2005-05, 47,863 miles“Need kit to solve airbag problem. The air bag warning light had come on and did so each time the vehicle was in motion. The consumer was informed that the seat belts had come in contact with the wiring and a kit was needed to solve the problem. (vehicle model/ Porsche 996 c2)”
NHTSA complaint #10096812, filed 2004-10Related service bulletins
- 10251154Feb 9, 2024Information for PIWIS tester update 42.500.020
- 10243597Sep 6, 2023Special tools and equipment information for all Porsche models. Diagnostic equipment standards.
- 10243573Sep 1, 2023Special tools and equipment information for the Pico Oscilloscope Extended Functionality
- 10229617Dec 8, 2022Instructions on advanced technical information for improper odometer and speedometer function
- 10202984Oct 11, 2021Instructions on the Porsche Classic Communication Management Plus - PCCM Plus
- 10194761May 10, 2021Information on Porsche PIWIS Tester III Online Update 40.200.000, .010, .015 & .016.
- 10191742Apr 19, 2021Information on how to deal with a potential cyber security breach.
- 10180508Sep 14, 2020Information on PIWIS Tester III Online Update 39.700.030
- 10180495Sep 8, 2020Information on PIWIS Tester III Online Update 39.700.020
- 10180482Sep 1, 2020Information on PIWIS Tester III Online Update 39.700.000, .010 & .012
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2024 | 2 | 33% |
| 2022 | 1 | 10% |
| 2020 | 1 | 20% |
| 2015 | 4 | 50% |
| 2012 | 1 | 20% |
| 2003 | 1 | 11% |
| 2000 | 2 | 33% |
| 1999 | 2 | 25% |
| 1996 | 1 | 17% |
| 1995 | 5 | 42% |
Other parts of the 1999 Porsche 911
3 complaintsEngine
2 complaintsEngine cooling
2 complaintsAir bags
1 complaintsBrakes
1 complaintsSteering
1 complaints
← All problems reported for the 1999 Porsche 911
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology