2019 Porsche 911 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2019 Porsche 911 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 2019 Porsche 911 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 2019 Porsche 911 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 2019 Porsche 911?

When diagnosing the non-functioning cruise control in your 2019 Porsche 911, it's essential to adopt a systematic approach that begins with the simplest solutions before progressing to more complex diagnostics. Start by checking the cruise control fuse in the fuse box, as a blown fuse is a common and easily fixable issue. Next, inspect the cruise control buttons on the steering wheel to ensure they are operational, as malfunctioning buttons can disrupt the system. Following this, verify the speed sensor's functionality, since it is critical for maintaining the set speed. Additionally, examine the brake pedal switch, which should disengage the cruise control when the brakes are applied; a faulty switch can prevent the system from working correctly. If these initial checks do not resolve the issue, use a diagnostic scanner to identify any error codes that may indicate specific problems within the cruise control system. If you still cannot determine the cause of the malfunction, it may be time to consult a professional mechanic or an authorized Porsche service center for a comprehensive diagnosis and repair. By following this structured diagnostic approach, you can effectively troubleshoot and potentially resolve the cruise control issue in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2019 Porsche 911?

When the cruise control in a 2019 Porsche 911 ceases to function, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the primary culprits is a faulty cruise control switch, which may prevent the system from engaging or disengaging as intended. Additionally, a malfunctioning speed sensor can disrupt the system's ability to maintain the desired speed, leading to erratic performance. Another frequent issue arises from the brake light switch; if this component is defective, it can cause the cruise control to disengage unexpectedly whenever the brakes are applied. Furthermore, problems with the throttle actuator can hinder the system's capability to adjust the vehicle's speed accurately. Lastly, electrical issues, such as blown fuses or wiring problems, can also interfere with cruise control functionality. By identifying and addressing these common issues, you can restore your Porsche's cruise control system to its optimal performance, making your driving experience more enjoyable.

How urgent is it to address the malfunctioning cruise control in a 2019 Porsche 911?

Addressing a malfunctioning cruise control in a 2019 Porsche 911 is of utmost urgency due to the significant safety risks it poses. A faulty system can lead to unexpected acceleration or deceleration, which can result in dangerous driving situations and potential accidents. Promptly resolving this issue not only safeguards your safety but also prevents the risk of further damage to the vehicle's components, which could lead to more extensive and costly repairs down the line. Additionally, a malfunctioning cruise control detracts from the overall driving experience, diminishing the convenience and enjoyment that this feature is designed to provide. Therefore, it is crucial to prioritize the repair of the cruise control system to ensure both your safety and the optimal performance of your Porsche 911.

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