Audi SQ5 Sportback Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your Audi SQ5 Sportback and How to Fix Them

Find Repair Location
Reviewed by
Devin Cabugcal
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 Audi SQ5 Sportback 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 Audi SQ5 Sportback 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.

Troubleshooting Cruise Control Issues in an Audi SQ5 Sportback

When troubleshooting cruise control issues in your Audi SQ5 Sportback, it's essential to adopt a methodical diagnostic approach. Start by checking the control module, as this is often the central hub for cruise control functionality. If the module appears to be functioning correctly, move on to inspect the sensors, particularly the radar dome, for any visible damage or obstructions that could impair their operation. Pay attention to environmental factors, such as extreme weather conditions, which can affect sensor performance and lead to messages like "ACC Unavailable." Next, examine the throttle system for any signs of malfunction, as issues here can directly impact cruise control capabilities. By following this structured approach, you can effectively narrow down the potential causes of the problem, allowing for a more straightforward resolution, whether through DIY repairs or by seeking professional assistance if needed.

What Could Cause Cruise Control Malfunctions in an Audi SQ5 Sportback?

When dealing with cruise control malfunctions in an Audi SQ5 Sportback, it's essential to understand the common problems that may arise. A primary culprit could be a failed control module, sensor, or switch, which are frequently reported issues in the 2019 model. Additionally, throttle actuation problems often contribute to these malfunctions; for instance, a faulty throttle position sensor can cause the engine's computer to mismanage fuel delivery, leading to noticeable black exhaust emissions. External factors should not be overlooked either; if the cruise control sensor is damaged or obstructed, it can disrupt functionality. Other potential issues include problems within the throttle control system, the anti-lock braking system (ABS), or even a blown fuse. A defective brake pedal switch or a broken vacuum line can also play a significant role in cruise control failures. By diagnosing these specific areas, DIY enthusiasts can effectively troubleshoot and resolve cruise control issues, ensuring a smoother driving experience in their Audi SQ5 Sportback.

Why is the Cruise Control Not Working in an Audi SQ5 Sportback?

When the cruise control in your Audi SQ5 Sportback is malfunctioning, it’s crucial to address the issue promptly to avoid potential safety hazards and costly repairs. Common culprits such as a failed control module, faulty sensors, or issues with the throttle actuation can significantly impact your driving experience. Additionally, a blown fuse or a defective brake pedal switch may also be at fault, which can lead to unexpected behavior while driving. Ignoring these symptoms not only compromises your vehicle's functionality but can also pose serious risks on the road, especially if the cruise control disengages unexpectedly. Furthermore, external factors like damage to the cruise control sensor can exacerbate the problem, making it essential to conduct a thorough diagnosis. By identifying and resolving these issues early, you can ensure a safer driving experience and maintain the integrity of your Audi SQ5 Sportback.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.