2016 Porsche Cayenne Windshield Wipers Aren't Working

Common Causes of Windshield Wiper Malfunctions in Your 2016 Porsche Cayenne and How to Fix Them

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Reviewed by
Aisha
Written by RepairPal Car Genius
Updated January 14, 2025
0%
75% chance it's the
Wiper Motor
0%
25% chance it's the
Switch
The most common reasons a 2016 Porsche Cayenne windshield wipers aren't working are broken wiper motor and issues with the switch.
  • Wiper Motor: A faulty wiper motor or a bad electrical connection can result in intermittent or non-functioning windshield wipers.
  • Switch: A faulty switch can result in intermittent or complete failure of the electrical component it controls, leading to malfunctioning systems.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2016 Porsche Cayenne windshield wipers aren't working?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

A failed windshield wiper motor will do one of two things in the event of failure. First, it can intermittently work, meaning when the wiper switch is turned on, the windshield wipers may activate, and run for a random amount of time. This may happen at random, or change with a bump. Lastly, the windshield wipers could show no signs of activity, indicating motor failure.

The moment water touches the windshield, you know if you need new windshield wiper blades. If your wiper blades are torn, cracked, hard, or brittle, it is time for replacement. Wipers should also be replaced if the wiper blades only smear water around, seem to make a mess, streak the windshield, and miss large patches. If you are unhappy with the current wiper blades on your vehicle, this is a very economical change to make.

Windshield wiper arms will be replaced mainly for aesthetic reasons or damage. If the windshield arms become bent or rusted, the windshield wipers may not contact the windshield at the proper angle, or there may be no contact at all. Also, the sun will take a toll on these parts after years of use, and fading or clear coat peeling will result, not to mention rust.

How to diagnose non-working wipers on a 2016 Porsche Cayenne?

When diagnosing non-working wipers on a 2016 Porsche Cayenne, it's essential to adopt a systematic approach that begins with the simplest solutions before progressing to more complex diagnostics. Start by checking the wiper fuse, as a blown fuse is a straightforward fix that can often resolve the issue. If the fuse is intact, move on to inspecting the wiper motor, which is a common source of failure; listen for any unusual sounds when the wipers are activated, as this can indicate a malfunction. Next, examine the wiper switch to ensure it is functioning correctly, as a faulty switch can prevent the wipers from operating. Additionally, assess the wiper transmission for stiffness or damage, as this component is crucial for the proper movement of the wipers. Finally, don't forget to inspect the wiper blades themselves; worn or damaged blades can hinder performance and may need replacement. By following this diagnostic approach, you can effectively identify and address the cause of your wiper issues, ensuring your Cayenne is ready for any weather conditions.

What common issues cause windshield wipers to fail on a 2016 Porsche Cayenne?

When dealing with windshield wiper failures on a 2016 Porsche Cayenne, it's essential to understand the common problems that can arise. A frequently encountered issue is a malfunctioning wiper motor, which can lead to complete failure of the wipers. Additionally, the switch that controls the wipers may also be faulty, preventing them from operating correctly. Another area to inspect is the windshield washer system, where clogged spray nozzles, leaking hoses, or blown fuses can disrupt functionality. If the wipers are stuck or moving slowly, it may indicate a problem with the operating unit that controls their movement, which can lose power over time. Regular maintenance and prompt attention to these signs are crucial for ensuring the wipers function effectively, enhancing both visibility and safety while driving. For DIY repairs, checking these components can help identify the root cause of the issue and guide you toward the necessary fixes.

How urgent is it to repair the non-functioning windshield wipers on a 2016 Porsche Cayenne?

When it comes to the urgency of repairing non-functioning windshield wipers on a 2016 Porsche Cayenne, the implications for safety cannot be overstated. Windshield wipers are essential for maintaining clear visibility during adverse weather conditions, such as rain or snow, where their failure can significantly increase the risk of accidents. The inability to effectively clear the windshield not only endangers the driver but also puts passengers and other road users at risk. Moreover, neglecting this issue can lead to further complications, such as potential damage to the wiper motor and other components of the wiper system, which may result in more costly repairs down the line. Regular maintenance, including timely replacement of wiper blades, is crucial, especially in regions prone to wet weather. Therefore, addressing the malfunction promptly is vital for ensuring safe driving conditions and protecting the integrity of your vehicle.

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