2020 Porsche Cayenne Electrical system Problems
- Complaints
- 5about this part
- Share
- 21%of 24 total for the year
- Median mileage
- 6,337miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the electrical system of the 2020 Porsche Cayenne, 21% of the 24 complaints for this model year. Where a mileage was given, the median is 6,337 miles. 1 of these say a crash was involved, according to the filers. 1 recall campaign on record is filed under a similar system.
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.
“The car came with a factory installed tow system. I returned it to the dealer three times and it does not work properly. I was shocked plugging in a tester to the 7 way connector. The dealer service manager advised me that I was not shocked and states that the lights stating the 7 way connector is normal. This is not normal. When I connect a digital break controller or 7 pin cable with a trailer the car doesn't not communicate with the break controller. …”
NHTSA complaint #11404548, filed 2021-03, 6,337 miles“hello i have cayenne 2020. this car has 360 surround view camera but its not working correctly. sometime its working sometimes some comeras not working maybe front maybe rear meybe both. as i read rennlist this is porshe forum everyone has same problem porshe in warranty replace modules or cameras but its not working i think its recall issue please help us.”
NHTSA complaint #11591116, filed 2024-05“beginning in August 2022, I have had repeated problems with the battery in my 2022 Cayenne. if the car is left sitting for approximately 48 hours, the battery dies and must be jumpstarted. we reported this issue to Porsche immediately and my car has been in with the Porsche service technicians at least three times (August 9, Sept 13, Nov 7) this fall with no success at fixing the problem. …”
NHTSA complaint #11496157, filed 2022-12“What component or system failed or malfunctioned, and is it available for inspection upon request? -THE TRUNK How was your safety or the safety of others put at risk? -WHILE THE VEHICLE WAS ON, THE KEY WAS ON TEH VEHICLE AND THE VEHICLE WAS IN MOTION THE TRUNK POPPED OPEN ON IT'S OWN. Has the problem been reproduced or confirmed by a dealer or independent service center? -NO Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? …”
NHTSA complaint #11463817, filed 2022-05Related recalls
- 23V841000Dec 13, 2023Porsche Cars North America, Inc. (Porsche) is recalling various models and model years. Please see the recall report for a list of the included vehicles. When…Covers: Porsche Cayenne 2019–2024, Taycan 2020–2024, Taycan 4S 2020–2024 +5 more
Related service bulletins
- 11037838Sep 23, 2026Technical Information for Need to Replace Components of the High-Voltage Battery - High-Voltage Battery Control Unit / Cell module; No Mixed Installation Permitted: Observe…
- 11037805Sep 9, 2026Technical Information for Vehicle Color in Front Display/Control Panel Wrong after Replacing Central Computer (PCM)
- 11037804Sep 9, 2026Technical Information for Filler Flap on Vehicles with Hybrid Drive System (PHEV) Does Not Close
- 11037800Sep 8, 2026Technical Information for Yellow Warning Message “All-Wheel Drive System Malfunction”, “C12BEF6” and “C133700” in the All-Wheel Electronics Control Unit
- 11037860Sep 1, 2026Porsche intranet posting with Campaign WTK4 information
- 11037858Sep 1, 2026Technical Information for Campaign WTK4 – Reset Vehicle Electrical System Battery
- 11037795Sep 1, 2026Technical Information for Damage to Nano Plug Contacts Due to Utilization of Incorrect Measuring Equipment
- 11037785Sep 1, 2026Technical Information for Warranty Extension for Front Door Wiring Harness related to Real Top View (RTV) issues
- 11037058Aug 28, 2026Information on Advanced Technical Information for Critical 12V Li-ion Battery Recycling
- 11037061Aug 20, 2026Information on Advanced Technical Information for Porsche Mobile Charger NEMA Supply Cable Initialization Failure
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 2020 Porsche Cayenne
7 complaintsOther or unknown
7 complaintsBrakes
5 complaintsTransmission and drivetrain
4 complaintsAir bags
3 complaintsBack-over prevention (rear camera)
2 complaintsSeat belts
2 complaintsVehicle speed control
2 complaintsForward collision avoidance
1 complaintsFuel system
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2020 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