2014 Porsche Cayenne Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2014 Porsche Cayenne and How to Fix Them

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Reviewed by
Aisha
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Sensor
0%
25% chance it's the
Control Module
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2014 Porsche Cayenne cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty sensor can lead to incorrect readings, causing issues with engine performance or triggering warning lights on the dashboard.
  • Control Module: A faulty control module can result in erratic vehicle behavior or failure of various electronic systems due to improper signal processing.
  • Throttle: A faulty throttle body or a defective accelerator pedal position sensor may be causing inconsistent acceleration and poor engine response.
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 2014 Porsche Cayenne cruise control isn'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.

In the event that a wheel speed sensor fails, the ABS, traction control system (TCS) and manufacturer specific stability control system lights will illuminate, informing the driver that the systems are disabled. The vehicle will be more prone to tire slip, and normal driving patterns may need to be adjusted to correct for the loss of computer control. On older vehicle's, the speedometer can be affected, causing illumination of the check engine light as well.

What steps should I take to diagnose the non-functioning cruise control in my 2014 Porsche Cayenne?

To diagnose the non-functioning cruise control in your 2014 Porsche Cayenne, begin with the simplest checks before moving on to more complex diagnostics. Start by inspecting the fuse box for any blown fuses related to the cruise control system, as a blown fuse can interrupt power to critical components. Next, examine the cruise computer module, which is a frequent point of failure; testing its functionality can help identify if it needs replacement. Following this, look for any issues with the sensors or switches, as these are common culprits in cruise control malfunctions. If your check engine light is on, consider scanning for fault codes, particularly the p0564 code, which may indicate specific problems that could affect repair costs. Additionally, inspect the wiring and circuitry for any faults, as issues like an open circuit can prevent the cruise control from operating correctly. If these steps do not resolve the issue, it may be time to consult a professional technician for further diagnosis. Remember, while troubleshooting, that your vehicle can still be driven safely without cruise control, allowing you to maintain control until the issue is resolved.

What common issues cause cruise control failure in a 2014 Porsche Cayenne?

When dealing with cruise control failure in a 2014 Porsche Cayenne, it's essential to understand the common problems that may arise. One of the primary culprits is the throttle sensor, which, if it fails, can lead to the engine's computer overcompensating with fuel, resulting in black exhaust emissions. Additionally, issues with the control module, sensors, or switches can disrupt the cruise control functionality, causing it to malfunction or become entirely inoperative. Throttle actuation problems can also contribute to this failure, as they affect the system's ability to maintain speed. Lastly, a faulty cruise control switch can lead to a complete loss of the cruise control feature. By identifying these potential issues, DIYers can effectively troubleshoot and address the underlying causes of cruise control failure in their vehicle.

How urgent is it to address the non-functioning cruise control in a 2014 Porsche Cayenne?

While a non-functioning cruise control system in a 2014 Porsche Cayenne may not seem like an immediate safety concern, it is essential to address the issue promptly to ensure optimal vehicle performance and comfort. Ignoring this malfunction can lead to a less enjoyable driving experience, particularly on long trips where cruise control enhances convenience. Additionally, the underlying causes of cruise control failure, such as a blown fuse or faulty brake switch, could indicate broader electrical or mechanical issues that may worsen over time if left unresolved. By taking the time to diagnose and fix the problem, you not only restore the functionality of your cruise control but also prevent potential complications that could arise from neglecting these symptoms. Therefore, while it may not be an emergency, timely attention to your cruise control system is advisable for maintaining the overall health of your vehicle.

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