2017 Porsche Panamera Cruise Control Isn't Working

Diagnosing Common Issues with Cruise Control in Your 2017 Porsche Panamera and How to Fix Them

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Reviewed by
Bo Fader
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 2017 Porsche Panamera cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty or malfunctioning sensor can lead to incorrect readings, causing issues with engine performance or other systems relying on accurate data.
  • Control Module: A faulty control module can lead to 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 throttle 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 2017 Porsche Panamera 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 2017 Porsche Panamera?

To effectively diagnose the non-functioning cruise control in your 2017 Porsche Panamera, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by inspecting the cruise control fuse, as a blown fuse is a common and easily fixable issue that can halt the system's operation. Next, examine the cruise control buttons on the steering wheel to ensure they are responsive and not stuck, as malfunctioning buttons can prevent engagement. Following this, verify the functionality of the speed sensors, since faulty sensors can disrupt the cruise control's ability to maintain speed. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues. Additionally, assess the brake and clutch switches, as defective switches can inadvertently disable the cruise control. Finally, inspect the wiring and connections for any signs of damage or looseness, which could interfere with the system's performance. If these steps do not resolve the issue, seeking assistance from a professional mechanic or an authorized Porsche service center is recommended for a comprehensive diagnosis and repair. This methodical approach not only helps in identifying the problem efficiently but also ensures that you cover all potential causes of the malfunction.

What are the common problems that could cause the cruise control to stop working in a 2017 Porsche Panamera?

When troubleshooting the cruise control system in a 2017 Porsche Panamera, it's essential to consider several common issues that could be at play. A faulty speed sensor is often the culprit, as it plays a critical role in relaying accurate speed information to the cruise control system. If this sensor malfunctions, the system may fail to engage or maintain the desired speed. Additionally, the brake light switch can cause significant disruptions; since the cruise control relies on signals from the brake system, any issues here can prevent proper operation. Another potential problem lies with the throttle actuator, which is responsible for communicating with the engine. If this component is malfunctioning, it can hinder the cruise control's ability to function effectively. Electrical problems, such as blown fuses or wiring issues, can also lead to cruise control failure, as can software glitches within the vehicle's control module. By systematically checking these areas, DIY enthusiasts can diagnose and potentially resolve the issues affecting their cruise control system, restoring its functionality and enhancing their driving experience.

How urgent is it to address the malfunctioning cruise control in my 2017 Porsche Panamera?

Addressing a malfunctioning cruise control in your 2017 Porsche Panamera is crucial for maintaining both safety and vehicle performance. When cruise control fails, it can lead to unpredictable acceleration or deceleration, creating hazardous driving conditions that could endanger you and others on the road. Additionally, neglecting this issue may result in decreased fuel efficiency, which not only impacts your wallet but also contributes to unnecessary wear and tear on your vehicle's components. By promptly addressing the malfunction, you can prevent further damage to the cruise control system and related parts, ultimately saving on costly repairs down the line. Therefore, it is essential to prioritize the repair of your cruise control system to ensure a safe and efficient driving experience.

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