2020 Audi Q5 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2020 Audi Q5 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 2020 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 2020 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 initial diagnostic steps to troubleshoot the non-functioning cruise control in a 2020 Audi Q5?

When troubleshooting the non-functioning cruise control in a 2020 Audi Q5, it's essential to adopt a systematic diagnostic approach. Start by checking the cruise control fuse, as a blown or damaged fuse can easily disrupt the system's functionality. Next, inspect the cruise control switch located on the steering wheel to ensure it is operational; a faulty switch can prevent the system from engaging. Following this, verify the vehicle speed sensor, which is critical for cruise control operation, as it communicates the car's speed to the system. Additionally, examine the brake pedal switch, ensuring it is not stuck or malfunctioning, since the cruise control is designed to disengage when the brakes are applied. Finally, consider scanning the vehicle's onboard computer for any error codes that may indicate specific issues within the cruise control system. By methodically following these steps, you can effectively diagnose and potentially resolve the cruise control problem in your Audi Q5.

What are the common problems that could cause the cruise control to stop working in a 2020 Audi Q5?

When dealing with a malfunctioning cruise control system in a 2020 Audi Q5, it's essential to understand the common problems that could be at play. One frequent issue is a faulty speed sensor, which can hinder the system's ability to accurately gauge the vehicle's speed, preventing it from engaging or maintaining the desired speed. Additionally, problems with the brake light switch can disrupt the cruise control function, as the system is designed to disengage when the brake pedal is pressed. Another potential culprit is a malfunctioning throttle actuator, which is responsible for controlling the engine's throttle opening and can affect the cruise control's performance. A defective cruise control module may also be to blame, as it can lead to the system not functioning correctly or failing to engage altogether. Lastly, electrical problems, including issues with wiring or fuses related to the cruise control system, can also result in its failure. If you encounter these issues, it is advisable to consult a qualified mechanic for a thorough inspection and diagnosis to ensure the problem is addressed effectively.

How urgent is it to address the malfunctioning cruise control in a 2020 Audi Q5?

Addressing a malfunctioning cruise control system in a 2020 Audi Q5 is of utmost importance due to the potential safety risks it poses. A faulty cruise control can lead to unexpected acceleration or deceleration, which can create hazardous driving conditions and increase the likelihood of accidents. Moreover, timely intervention not only enhances the vehicle's driving comfort but also prevents further complications that could arise from ignoring the issue, such as increased fuel consumption and damage to other vehicle components. For DIY enthusiasts, understanding the urgency of this problem is crucial; neglecting to fix the cruise control can lead to more extensive repairs down the line. Therefore, it is highly advisable to diagnose and address any cruise control malfunctions as soon as they are noticed, ensuring both the safety of the driver and the optimal performance of the vehicle.

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