2016 Audi Q5 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2016 Audi Q5 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 2016 Audi Q5 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 2016 Audi Q5 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 are the steps to diagnose the cruise control issue in a 2016 Audi Q5?

When diagnosing a cruise control issue in a 2016 Audi Q5, it's crucial to follow a methodical diagnostic approach that prioritizes simpler checks before moving on to more complex solutions. Begin by inspecting the cruise control fuse, as a blown fuse can easily disrupt the system's operation. Next, check the functionality of the cruise control buttons on the steering wheel, since malfunctioning buttons can lead to operational issues. Utilizing an OBD-II scanner to retrieve any error codes is an essential step, as it can highlight specific problems within the cruise control system. Additionally, assess the vehicle's speed sensors, which are integral to the cruise control's performance, ensuring they are working correctly. It's also wise to examine the wiring connections related to the cruise control system for any signs of damage or loose connections that could interfere with its operation. Finally, testing the cruise control module will help confirm whether it is functioning as intended, as a faulty module can prevent the system from engaging. By systematically following these steps, you can effectively diagnose and resolve cruise control issues in your Audi Q5.

What are the common problems that could cause the cruise control to stop working in a 2016 Audi Q5?

When troubleshooting the cruise control system in a 2016 Audi Q5, it's essential to understand the common problems that may lead to its failure. One of the primary culprits is a faulty brake light switch, which can prevent the cruise control from engaging since the system is designed to deactivate when the brake pedal is pressed. Additionally, issues with the speed sensor can disrupt the vehicle's ability to maintain a constant speed, leading to cruise control malfunctions. It's also wise to check for blown fuses related to the cruise control system, as replacing any faulty fuses can often resolve the issue. Another potential problem could be a malfunctioning throttle actuator, which is crucial for maintaining speed. Lastly, consider the electronic control module (ECM), as any issues here can affect various vehicle functions, including cruise control. By systematically addressing these common problems, you can effectively troubleshoot and potentially restore the functionality of the cruise control in your Audi Q5.

How urgent is it to address the malfunctioning cruise control in a 2016 Audi Q5?

Addressing a malfunctioning cruise control in a 2016 Audi Q5 is of utmost urgency due to the potential safety risks involved. Cruise control is designed to enhance driving convenience, particularly during long trips, but when it fails, it can lead to unpredictable vehicle behavior, such as sudden acceleration or deceleration. This unpredictability not only compromises the safety of the driver and passengers but also poses a risk to other road users. Ignoring these symptoms can exacerbate the problem, potentially leading to more extensive damage to the vehicle's systems and increased repair costs. Therefore, it is crucial to seek professional assistance promptly to diagnose and rectify the issue, ensuring the vehicle operates safely and efficiently. Timely intervention not only protects your investment but also enhances your overall driving experience.

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