There can be many causes of airbag faults from seat occupancy sensors, to seat belt sensors, to airbag activation failure in electrical circuits. Transfer case failure. The tank supplies air to the system via the valve block a hole in the line from the tank to the valve block will cause a system wide failure. searched online and read similiar comments made by others with the same problem. I was entering the hwy and the car jumped forward and suddenly lost power before jumping into gear. Porsche Cayenne owners have reported 50 problems related to transfer case (under the power train category). Why do you love writing about cars? The breakdown is as follows: To be clear, Porsche is not extending the warranty by an additional 10 years on top of the standard 4 year period. This is usually subtle initially, but gets steadily worse, especially when moving forward at low speed with the wheels turned tightly. Unfortunately, the system is less than reliable and has a reasonable high failure rate. $6500). Cayenne owners can experience this message when driving. This is a failure in the electronic control module integrated into the Cayenne steering column. If the misfire moves with the coil, you have a coil problem. Purchases car used 30 days ago and this issue started to appear after I had the vehicle and driving it for a couple of days. The new hose ends on the upper (further from the ground) side of the transfer case. It has slowly gotten worse and has become dangerous to drive as I almost have got into a few accidents due to the surge in sudden jerks. Many Cayenne owners have reported all sorts of random and weird behavior from the PCM system and in particular PCM3.1 seems to be the main offender. The most common fault set through a failure in this system is that of the brake booster fault. Moreover, the cost replace a transfer case is in the $5,000 when our of warranty which my 2014 is now. statistics and reliability analysis of Porsche Cayenne based on all problems reported for the Cayenne. Porsche has to recall and fix this -- it's very dangerous and could be life-threatening. So, when you get to the shop without the message the problem is not there! . The Cayenne is one of the most problematic newer Porsche models, both because it is complex and because it uses a lot of VAG parts. Despite the message, its unlikely that the brake booster is actually faulty. Once they degrade and a leak starts it quickly speeds to a point where large clouds of steam can be seen billowing from under the hood when the engine is running steam powered Cayenne! Also please check out the Technicians at Porsche not trained to dissect the transmission and make repairs. Porsche should give replacement transfer case another 4 years warranty instead of just 1 year. Extremely expensive to correct ($5,000). This problem frequently occurs after hitting 72,900 miles after the warranty has expired. 2012 Cayenne S purchased CPO with 43K. The transfer case will make the bumping noise when accelerating. Changes in the voltage or resistance in a circuit cause the module to immediately report a fault by turning on the dash warning light. Transmissions in the later cars are very complex and the technology involved is a closely guarded secret. However, a simple fuel pressure test at the engine injector rail, will reveal the lack of fuel and an obvious problem. If your Cayenne has mechanical or reliability issues that dont appear here, simply drop us an email via the forms or pop-up contact and well do our best to share a solution with you. In many cases normal smooth gear shifts are returned. Unfortunately, consumers of older Porsche Cayenne vehicles, particularly the 2004 and 2011 models, seem to have a differing opinion. Well known issue in the Porsche community and Porsche solution is does not fix the issue. The new case comes with vent tubes installed so the case can vent properly and water doesn't build up in the transfer case fluid. Typically, they just replace the transmission. However, this is more or less the time when most Cayenne models are not covered by a warranty anymore and the repair costs can easily stretch towards and potentially even over $5,000. Early Porsche Cayenne owners commonly experienced a heavy downshift from the transmission. These are straight forward to replace and are a common wear item. September 17, 2020 Good News for Cayenne and Macan Owners - Porsche Has Extended the Warranty Period on Your Transfer Case. Porsche hasn't addressed this issue even though it is a very common problem on Cayennes. Listed below are Porsche Cayenne common mechanical problems with their likely resolutions. Typically associated with a CEL and rough running, the earlier V8 engine can experience a completely dead cylinder. If I pay $60, 000 -$100,000 for a car I would expect to get past 100,000 miles before a major repair. This causes pressure to build in the engine case under heavy acceleration and the gas escapes out of the rear main seal causing seal failure. A failed thermostat that is stuck open is not so bad. What you need to know about Porsche 911 project cars. The coolant pipe failure in the early Cayenne typically happened quickly and produced large amounts of steam. Server Lease Renewal/Software Licenses Our yearly server lease, software licenses, as well as hardware operating costs, ARE DONATE HERE An integral part of the emissions system, the PCV system is designed to extract oil from gases in the crankcase. The vehicle requires that the transfer case needed to be replaced. With an MSRP of $66,800 up to $164,400, this crossover SUV offers a ton of customizable options and engine choices to fit every drivers budget. These are the most frequent Cayenne problems diagnosed by our repair shops over the years. Numerous owners experience the same issue. Thankfully, with the Cayenne, the valve body assembly is available and replacing it typically saves the transmission. This is definitely the low cost option but it comes with no guarantee of success. The mechanics at the various dealers have told me its a well known issue spanning Porsche suvs from 2008 through the present. The vehicle stops operating without warning. Tl-the contact owns a 2013 Porsche Cayenne. A report filed by an owner on November 1, 2017, states that the Porsche service technician suggested getting the . Typically the problem lies in a lack of vacuum to the booster as a result of a crack in one of the vacuum lines. The slow response from the O2 sensor is not within the tolerance the engine management system requires and therefore a valve lift fault is set. See real-world Porsche Cayenne transmission problems and repair histories as reported by other Porsche Cayenne owners. The leak at the front of the engine is most likely from the upper front coolant pipe, which slips out of its housing when the glue fails. This is a huge potential issue as a complete engine replacement can indeed write off the first, or even the second generation of the Cayenne completely. When the center support bearing fails, the shaft wobbles, vibrates and thumps during acceleration. Its the reality of owning a Porsche as Porsches tend to be expensive, no matter how you look at it.if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'luxurycarsa2z_com-box-4','ezslot_9',106,'0','0'])};__ez_fad_position('div-gpt-ad-luxurycarsa2z_com-box-4-0'); One of the most questionable design decisions in the history of the Porsche Cayenne are the plastic coolant lines as they tend to wear out prematurely, even on low mileage examples. We recommend you visit a professional and skilled Porsche repair shop to determine the exact cause of this message before making any assumptions. Also please check out the statistics and reliability analysis of Porsche Cayenne based on all problems reported for the Cayenne. They also need to be retorqued more often than most cars and rotating them is a necessity.if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[250,250],'luxurycarsa2z_com-leader-1','ezslot_10',110,'0','0'])};__ez_fad_position('div-gpt-ad-luxurycarsa2z_com-leader-1-0'); All in all, dont be too surprised if you go through tires faster than usual, especially if you go for the higher-end Turbo and GTS models. Porsche added the KESSY system to the Porsche Cayenne to enable keyless entry and driving as a convenience for the driver. The NHTSA is investigating these claims. Two failing at the same time is unusual, so if you have a lower than normal ride height across one axle, do not assume leaking struts see level sensors below. The valve block is an electro-mechanical device that routes pressurized air to the individual system components per instructions sent from the control module. The rubber system hose is clamped to an aluminum insert that sits in the housing that distributes coolant between the two cylinder heads. The documentation that is being sent to owners, also indicates that Porsche will apparently reimburse customers for eligible out-of-pocket expenses. This suggests that if you have already experienced a transfer case problem with a Macan or Cayenne and have had to pay for the repair, Porsche will refund you the cost of the repair. Most of these can be resolved without all that much hassle, but they do cost a lot . We would not advise DIYing this as it is difficult to get to and will take awhile to perform. The electrical connectors can become corroded or greened in some circumstances. Porsche Communication Management (PCM) Issues, Transfer Case - Vibrations Under Acceleration or When Turning at Low Speed, Check Engine Light - Power Loss - Incorrect Valve Lift, Check Engine Light - Misfire - Dead Cylinder - Coils, Plugs, Lifters, V6 Cayenne - Check Engine Light - Vacuum Leak - PCV Failure, Check Engine Light - V8 Engine Failure - Cam Adjuster Bolts Break, Clunking Sound on Acceleration - Drive Shaft Support Bearing Failure, No Start - Fuel Pump Failure - CEL - Random Multiple Misfire, Chassis System Failure Error Message - PASM Fault, Find a Porsche Repair Shop in the Northwest, Find a Porsche Repair Shop - North Central, Find a Porsche Repair Shop in the Southwest, Find a Porsche Repair Shop in South Central States, Find a Porsche Repair Shop - Southeast States, Find a Porsche Dealer in the Pacific Northwest, Find a Porsche Dealer in the North Central, Find a Porsche Dealer - Pacific Southwest, Automotive Technician Jobs | European Auto Tech Jobs, how to interpret and make sense of those fault codes, recommended Porsche Cayenne maintenance schedules. At 65k miles the car is doing the familiar grinding and surging again, evident it will need a third $5-6000 transfer case. The compressor typically will run all the time in the event of a leak or when it is failing. A failing front O2 sensor will either not see or cannot react in time to the valve lift gas flow change. Since the transfer case uses a "multiplate wet clutch", moisture could prematurely corrode or allow rust to form, which could cause the clutch to bind and work erratically. The repair is $5000 and replaces the transfer case. Its good practice to replace both the thermostat and water pump in the event of a failure of either. Drivers are reporting a check engine light warning before hearing a loud noise that completely shuts down the engine. . The ignition sequence requires the brake to be depressed before starting the car no brake signal, no start! Car transmissions "stumbles" (transmission locking). Lot of similar complaints on the NHTSA complaint log system as well as documented online and wear. Dealer admits the transfer case has been a constant problem with 2011-2017 Cayenne but refuses to totally cover replacement. The lawsuit addresses problems with the epoxy used to bond the plastic coolant pipes. The problem is getting this new assembly attached to the engine. There is an update kit available to permanently fix this problem and change the plastic pipes to metal ones. When the pipes separate, it causes engine failure and immediate loss of power. 2012 Porsche Cayenne with 47,000 miles. Our article on how to interpret and make sense of those fault codes may help. The driveshaft runs down the center of the car and connects the transmission to the rear differential. Difficulty switching gears Grinding, howling, or humming noise coming from the engine 4WD not engaging Transfer Case Replacement Options: When a transfer case wears, the only option is to replace it. This might look like a high pressure fuel pump problem when it isnt! The problem is often mis-diagnosed as a physical failure in the transmission itself, when the more likely cause is in fact the valve body assembly within the transmission. Porsche mechanics are instructed to replace a "vent hose" for the transfer case. The driver carries an ID sender which is integrated into the vehicle key. . Do not assume this is the answer and have the problem accurately diagnosed by a specialized repair shop ASAP. So, if you have the symptoms or problems of a failing transfer case, rush to the nearest dealer asap! Almost caused a wreck. Now find that this is a common issue with Cayennes. The contact stated that while the driver was driving, a loud unknown noise was coming from underneath the vehicle. a mechanical pressure fault or an electrical anomaly. Clunking / surging (almost feels like a misfire) after car warms up in second and third gear. 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