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moderate Owners of the 2019 Porsche Cayenne have filed 9 NHTSA complaints about the electrical at roughly $850 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See electrical across all vehicles →
| Model year | electrical complaints |
|---|---|
| 2017 Cayenne | 5 |
| 2018 Cayenne | 3 |
| 2019 Cayenne (this page) | 9 |
| 2020 Cayenne | 4 |
| 2021 Cayenne | 6 |
Of the 11 model years of Porsche Cayenne we track for electrical problems, this one carries the most owner complaints on file — 9.
All 2 active electrical recalls on this vehicle land at critical or severe — none classified moderate.
If the driver is not alerted when brake pads are worn out, the driver may lose control of the vehicle while attempting to brake, increasing the risk of crash.
If the driver is not alerted when brake pads are worn out, the vehicle may not respond as expected when braking, increasing the risk of crash.
The manufacturer has issued service bulletins covering electrical on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
ConBox Current Draw Discharges 12 V Battery
full bulletin at NHTSA ↗Re-Programming Assistance System Control Unit (Stop Delivery/Recall Campaign)
full bulletin at NHTSA ↗Complaint - Battery Low and Yellow Warning Message "Battery low _ Service necessary" in Instrument Cluster: Re-Programming Gateway Control Unit (Battery Sensor) (168/18)
full bulletin at NHTSA ↗Complaint Regarding the Camera View (Real Top View) in the PCM Central Display (03/26)
full bulletin at NHTSA ↗Tech live look information bulletin for how to use fronline.io on mobile devices and tablets.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
2019 Porsche Cayennes (and other Porsche models) have LiFe P04 lithium batteries that have an internal Battery Control Module that causes a "Battery Low " indication. Porsche has been updating the software/ firmware for this module, only for it to fail again. Eventually, the battery will fail, lose charge, and become dead. There are no after market batteries available and if you are 1 mile out of…
Porsches with LiFePO4 Lithium batteries (like mine 2019 Cayenne S) have a software/hardware error that causes the battery to incorrectly send a code to the battery management system so that it will suddenly shutdown the battery permanently and will require a full battery replacement, which the dealers abuse its customers by charging $3,000 to $5,000 dollars and give a battery replacement date as…
In September 2022 the yellow battery warning light appeared on my dash while my car was still under warranty. Porsche had an open Campaign WMJ9 that involved a software update that resolved the issue. Last month, June, while my car was now out of warranty the same yellow warning light appeared but this time the dealership recommended i replace the battery at a cost of $3,200 Porsche refuses to…
It's a documented issue but not catastrophic. 9 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
Based on the 9 complaints filed, electrical issues most often appear around 8,900 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Yes — 2 active recall(s) cover electrical issues on this vehicle. Recall fixes are always free regardless of mileage or warranty status. Use the VIN decoder at the top of the page to check if your specific vehicle is affected.