2020 Audi SQ5 Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2020 Audi SQ5

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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 SQ5 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 SQ5 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 cruise control issue in my 2020 Audi SQ5?

To effectively diagnose the cruise control issue in your 2020 Audi SQ5, 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 can easily disrupt functionality. Next, examine the cruise control buttons on your steering wheel to ensure they are operational, since faulty buttons can lead to malfunctions. If these initial checks do not reveal the problem, utilize an OBD-II scanner to identify any error codes that may indicate specific issues within the cruise control system. Following this, inspect the speed sensors, as they are vital for the proper operation of cruise control; any faults here can significantly impact performance. Additionally, ensure that all wiring connections related to the cruise control system are secure and undamaged, as loose or damaged wires can cause intermittent issues. If you still cannot pinpoint the problem after these steps, it may be wise to consult a professional mechanic or an authorized Audi service center, as they possess the specialized knowledge and tools necessary for a thorough diagnosis and repair. By following this structured diagnostic approach, you can efficiently identify and address the cruise control issue in your Audi SQ5.

What are the common problems that could cause the cruise control to stop working in a 2020 Audi SQ5?

When the cruise control in your 2020 Audi SQ5 ceases to function, it can be frustrating, but understanding the common problems can help you diagnose the issue. One frequent culprit is a faulty speed sensor, which is essential for the cruise control system to accurately gauge the vehicle's speed. If this sensor malfunctions, the system may fail to engage or maintain the desired speed. Another potential issue lies with the brake light switch; if this switch is defective, it can send incorrect signals to the cruise control system, disrupting its operation. Additionally, a malfunctioning throttle actuator can hinder communication between the cruise control and the engine, leading to performance issues. Electrical problems, such as blown fuses or wiring faults, can also impede the cruise control's functionality, as can software glitches within the vehicle's onboard computer system. By systematically checking these components, you can identify and potentially resolve the issues affecting your cruise control, making your DIY troubleshooting efforts more effective.

How urgent is it to address the malfunctioning cruise control in a 2020 Audi SQ5?

Addressing a malfunctioning cruise control in a 2020 Audi SQ5 is of utmost urgency due to the significant safety risks it poses. A malfunction can lead to unexpected acceleration or deceleration, which can result in dangerous driving situations. This feature is designed to enhance driving comfort and maintain a steady speed, particularly during long trips, making its proper functioning essential for a pleasant driving experience. Ignoring the issue not only compromises safety but can also lead to increased discomfort for the driver, especially on extended journeys where cruise control is invaluable. Furthermore, delaying repairs may exacerbate the problem, potentially causing damage to other vehicle components and leading to higher repair costs down the line. Therefore, it is crucial to address any cruise control malfunctions promptly to ensure safety, comfort, and the overall integrity of your Audi SQ5.

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