2004 Porsche Cayenne Electrical system Problems
- Complaints
- 6about this part
- Share
- 16%of 38 total for the year
- Median mileage
- 107,500miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 6 complaints about the electrical system of the 2004 Porsche Cayenne, 16% of the 38 complaints for this model year. Where a mileage was given, the median is 107,500 miles. 1 a fire, according to the filers.
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.
“This vehicle allows you to be locked inside. After driving if the driver and passenger open their doors then the lock button is hit on the key (while the doors are still open), then the doors are closed anyone inside in unable to unlock any doors, even when hitting the unlock button inside the vehicle located on the door. This is a huge safety concern.”
NHTSA complaint #10807887, filed 2015-12, 100,000 miles“There are so many problems with this car.. Coolant pipes leak. Oils leakage. Failure of lights elictrical issues such as horn, remote entry, suspension axle wheel barrings. Fuel injectors. While driving the vehicle the car”
NHTSA complaint #10958627, filed 2017-03, 70,000 miles“The contact owns a 2004 Porsche Cayenne s. The contact stated that while attempting to start the vehicle, the contact heard a loud boom noise and fire started coming from the glove box in the interior of the vehicle. Fire marshals were called onto the scene to attempt to extinguish the fire, after 3 hours the fire was extinguished. A report was made with the fire marshals. The contact stated no injuries were sustained at the scene. The vehicle was not towed and remains on contacts property. …”
NHTSA complaint #11399023, filed 2021-03, 115,000 miles“Strong odor of gasoline traveling through the vents injected into vehicle. Fuel filter has a crack. Underhood electrical problems that may cause a fire”
NHTSA complaint #11540647, filed 2023-08“Breach of warranty claims, including but not limited to ignition failure, wiring harness problems, airbag illumination warnings, lock failure, window failure, all within the first 10 months. The vehicle does not go more than 2 or 3 months and 3,000 to 4,000 miles without having these problems come back despite numerous attempts to repair the car. Twice the car would not shut off and a third time the key became locked in the ignition and the ignition would not turn, start, etc. The locks also failed and could not put the car in gear to tow. Became stuck on the road. …”
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Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 2 | 40% |
| 2025 | 1 | 20% |
| 2024 | 1 | 20% |
| 2023 | 2 | 40% |
| 2021 | 6 | 29% |
| 2020 | 5 | 21% |
| 2019 | 10 | 21% |
| 2018 | 3 | 23% |
| 2017 | 7 | 39% |
| 2016 | 3 | 8% |
| 2015 | 3 | 21% |
| 2014 | 6 | 11% |
| 2013 | 3 | 8% |
| 2012 | 3 | 11% |
| 2011 | 1 | 3% |
| 2009 | 4 | 27% |
| 2008 | 7 | 26% |
| 2006 | 6 | 15% |
| 2005 | 3 | 9% |
| 2004 | 6 | 16% |
Other parts of the 2004 Porsche Cayenne
10 complaintsEngine
9 complaintsFuel system
9 complaintsAir bags
3 complaintsExterior lighting
3 complaintsOther or unknown
3 complaintsSuspension
2 complaintsBrakes
1 complaintsEngine cooling
1 complaintsSteering
1 complaintsBody and structure
1 complaintsTires
1 complaints
← All problems reported for the 2004 Porsche Cayenne
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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