Power Train Problems of Porsche Panamera

I own a 2014 Porsche Panamera s e-hybrid (VIN xxx). I experienced repeated hybrid system warning lights and high-voltage battery fault codes. I brought the vehicle to Porsche atlanta perimeter for a safety inspection. The dealership did not perform the required piwis hybrid battery test plan, did not check individual cell voltages, and did not assess the hybrid battery control unit. Instead, they provided a basic code scan and immediately recommended a $37,000 battery replacement without verifying the root cause. This is a high-voltage system handling 300+ volts, and an improper or incomplete diagnosis is a safety concern. Porsche headquarters was contacted by the dealership, but the dealership stated they received no technical support or guidance. Porsche appears unable or unwilling to diagnose early-generation hybrid vehicles properly, leaving customers without accurate safety assessment of the high-voltage system. I am filing this complaint because improper hybrid battery diagnosis can lead to thermal events, sudden loss of power, or misinterpretation of critical battery faults. I am requesting that NHTSA review Porsche’s handling of hybrid diagnostics for this model. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

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The main water pump on my 2018 Porsche Panamera 4s failed prematurely. This is not a simple external coolant leak; the internal seal failed, allowing pressurized engine coolant to migrate into the vehicle's vacuum system. The coolant traveled through the vacuum lines and contaminated the vacuum solenoids and change-over valves. This failure mode presents a significant safety hazard because the vacuum system controls critical engine components, including turbocharger wastegates and exhaust flaps. Contamination of these components can lead to sudden loss of power, "limp mode" activation while driving at highway speeds, or unexpected engine behavior, increasing the risk of a crash. Cross-reference to known defects: this vehicle utilizes the ea839 v6 engine platform, which is shared with Volkswagen and Audi vehicles (specifically the Audi s4, s5, sq5, and q7). Audi and Volkswagen have already acknowledged this specific manufacturing defect in the class action settlement fiscina v. Volkswagen group of America, inc. (case no. 2:21-cv-11251). Under that settlement, Audi extended the warranty on this water pump to 10 years/80,000+ miles for the exact same failure mode (coolant migration into the vacuum system). Despite my vehicle using the same engine and suffering the exact same mechanical failure, Porsche refuses to offer coverage or acknowledge the defect. I am requesting an investigation into why Porsche models equipped with the defective ea839 engine are excluded from the safety remedies and warranty extensions provided to Audi owners.

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The contact owns a 2023 Porsche Panamera. The contact stated that while stopped at a red traffic light, the vehicle independently shifted from drive(d) to neutral(n), and the instrument panel failed to display critical safety information. The messages "speed limit display limited”, “no navigation data available", "left taillight fault - check taillight", and "right taillight error”, and “service necessary" were displayed. The vehicle was taken to a local dealer to be diagnosed; however, the failure was not duplicated. The cpu was replaced; however, the failure reoccurred. The manufacturer was made aware of the failure. The failure mileage was approximately 30,000.

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On my 4th visit to the Porsche dealership and the problem is still not resolved. There are many references to the same problem online. The problem: error message on the dash stating reverse not available and car goes into 3rd gear only and stays there. Only final solution is new transmission which Porsche resists doing it has happened 6 times now. Attaching a photo and I have many more of these from 2024.

Transmission fault causes car to be stuck in gear and will not shift. This issue appears to be happening quite frequently with these ecars, regardless of mileage. It's dangerous, especially if it occurs on the highway .

To whom it may concern; I am writing you with deep disapointment as I am experiencing dissatisfaction with the quality of car that I leased on December, 06, 2021. Panamera was always my dream car, however, today it is a life threat to me and my family. The car is experiencing failure during drive, it self shifts itself to neutral while driving as well failed ac system. Yesterday, 3/19/23, on freeway, I almost got into car accident because of that shift. The car suddenly stopped, and almost got hit by other 3 cars behind me. The problem started since December 2022 with a frequency of once or twice a month. I made an appointment with rusnak pasadena dealership shop to run diagnostics. They found nothing… based on 15-20 min drive. The problem started increasing in frequency to 2-3 times a week. It is extremely unsafe now. During time I was leasing car, I never missed any payments, was compliant with due dates, being a proper customer to porshe dealer (which counts back for many years now). Again, I love the car, it is my dream car, however it is a threat now to my life and my family life. I beg your attention to this matter, as it is frustrating and disappointing experience now. Thank you for your time and business, I would like to remain good customer of porshe in future, anna tevosyan 323-842-0857.

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The contact owns a 2014 Porsche Panamera. The contact stated that upon start of the vehicle, the vehicle would unintentionally roll forward without warning. The contact also stated that the gear selector lights would flash during the failure. The contact stated that upon restart of the vehicle, the vehicle would temporarily operate as needed; however, the failure would return. The contact called the manufacturer and was referred to the dealer for assistance. The dealer informed him that there were no recalls on the VIN related to the failure. Upon investigation, the contact linked the failure to NHTSA campaign number: 19v446000 (power train). The vehicle was not repaired. The failure mileage was approximately 144,000.

The contact owns a 2011 Porsche Panamera. The contact stated while driving approximately 15 mph, the transmission failed to shift as designed. The contact stated that the transmission and check engine warning lights were illuminated. The vehicle was taken to an independent mechanic to be diagnosed. The contact was informed that the transmission needed to be repaired. The vehicle was not repaired. The manufacturer was not notified of the failure. The contact related the failure to NHTSA campaign number 19v446000 (power train). The approximate failure mileage was 101,000.

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Coolant warning light on - seeing leak coolant warning light for coolant level comes on. Seeing a leak at a hose. Leaking at coolant bypass hose under intake. Coolant pipes in thermostat housing are coming loose at the epoxy joint. Chassis system failure, the car will stop abruptly on roads. And if here's that these problems that are reoccurring have been recalls before, that have not been addressed.

Car engine frequently stalls while driving, usually at stop or slow speed (e. G. Intersection). Electrical system remains on; turning off and on ignition will restart car and allow driving. Had problem investigated and was told it was a transmission sensor which was repaired but failed to fix problem. Re-investigation identified transmission failure due to sensor in sealed transmission required replacement.

The contact owns a 2012 Porsche Panamera. The contact stated that while driving at various speeds, the vehicle decelerated with the transmission warning light illuminated. The contact coasted to the shoulder, shifted into park however, the vehicle failed to shift back into drive. The vehicle was towed to Porsche danbury (23 sugar hollow rd. , danbury, CT 06810, (203) 744-5200) where the vehicle was diagnosed and it was determined that the vehicle had water damage in the trunk which might have caused issue with the transmission. The vehicle was not repaired. The contact mentioned NHTSA campaign number: 19v446000 (power train) as a possible solution to the failure however, the VIN was not included. The manufacturer was not made aware of the failure. The failure mileage was approximately 73,000.

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The auto in question was, and is, under the new car warranty - while driving forward, one of the automobile's display screens displayed an error message stating "transmission error - reverse gear not available"; this in itself is not a major issue as the car was in a forward gear. The major safety issue is that the car would not shift gears once this error message cam up. The error has occurred multiple times and, thankfully, did not happen at a critical time - I. E. Merging onto a highway. The first time this happened was on August 6, 2020. Porsche was notified of the issue and I was told there was no fix at the time. It happened multiple other times and every time the dealer told me that there wasn't a fix. Porsche did apply a "temporary" fix in the November/December, 2020 timeframe, but this was not permanent and the error happened at least once more after the fix. I continued to check in with the dealer and was always told there was no resolution. In June, 2021 I reached out to Porsche directly, they responded one month later and said they would investigate. In July I was told that there might be a fix by the dealer, but was never called back. I have requested that Porsche buy-back the vehicle given this history, but they indicated that there was a fix and that they would not provide any further resolution. The dealer has applied a software "fix", but I have no faith that this will be permanent, given their history and that it took longer than a year to possibly resolve. This is not unique to my vehicle, per online message boards.

The contact owned a 2016 Porsche. The contact stated that while driving at 2 mph and while the contact attempted to make a right turn, when the brakes were depressed, they were inoperable, and inadvertently, the steering column also became inoperable. However, the vehicle would not stop and the steering column would not turn, which resulted in a accident. The vehicle was towed to the dealer, and a police report was filed; however, the vehicle was not diagnosed or repaired. The vehicle was declared a total loss by the allstate insurance adjuster. The contact stated that he had previously experienced brake failure while driving the vehicle and had taken the vehicle to the dealer for servicing, but the dealer could not diagnose the failure at either visit. The manufacturer was made aware of the failure, and a case was filed. The failure mileage was approximately 60,000.

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My 2014 Panamera 4 started having this issue on 10/09/2019. I placed the car in park and found that the car was still moving like it was in neutral. I have to set the emergency brake on the car before leaving it or it might roll down the street and into traffic. It sounds like it has to be tied to the recall 19v-446.

Tl the contact owns a 2011 Porsche Panamera. While reversing out of a parking lot, the undercarriage of the vehicle was damaged by the cement parking divider. The contact believed that the vehicle unintentionally rolled forward and became attached to the cement divider, which damaged the undercarriage. The contact received a recall notice for NHTSA campaign number: 19v446000 (power train) later that day. Porsche atlanta perimeter (4006 carver dr, atlanta, GA 30360, (888) 893-6299) was contacted and informed the contact that the vehicle needed to be diagnosed. The manufacturer was made aware of the failure and did not assist. The failure mileage was approximately 202,000.

My car a Panamera s 2014 is showing the issues presented in the safety recall 19v-446. If I move the shift level to "park" position and remove the ignition key, the car is not really in "park". If the the car is in a slope it will move. I put my VIN number in your site and Porsche site and is indicated that there are no recalls for my car. My car is doing the problem described in the safety recall and is within the range of Panameras with this issue according to your recall, but I don't understand why my car is not included. I called my local Porsche dealer and they told me that given my VIN number has not been formally recalled by Porsche they can't help me. This situation might cause an accident if I forgot to use the "parking brake" or if the "parking brake" fail. This is a serious risk of rollaway, the car can unexpectedly move. I need your help to include my VIN number in this recall.

Camshaft causes delay in acceleration and loss of power check engine light on while driving and stationary.

The cam shaft adjuster bolts were broken and are tearing apart with in the engine and causing the car to stop and not start back again, this is also giving the check engine light, start stop mode deactivated, psm failure errors, there is a recall in china from Porsche about the same errors and same year models.

Tl- the contact owns a 2011 porche Panamera. The contact stated that while driving 35 -40 mph, the vehicle stalled and the speed dropped to 10 mph. The engine power reduced warning light and the traction control disabled warning light illuminated on the dashboard. The contact pulled to side from where the vehicle was towed to the contact's house. The vehicle was later towed to a local dealer, who diagnosed that the cam shaft adjuster broke off and might have caused an engine block, resulting in loss engine power. The manufacturer was notified and but did not offer to help, advising the contact to see a local dealer. The failure mileage was 46,000. Fe.

Tl-the contact owns a 2010 Porsche Panamera. The contact stated while driving approximately 65 mph, the vehicle stalled with out warning. The vehicle was taken to a dealer; however, the failure was not diagnosed nor was the vehicle repaired. The manufacturer was not notified of the failure. The failure mileage was 47,000. The VIN was unavailable. Ss.

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