2021 Audi SQ5 Cruise Control Isn't Working

Troubleshooting Common Issues with Cruise Control in Your 2021 Audi SQ5 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 2021 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 2021 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 2021 Audi SQ5?

When diagnosing the cruise control issue in your 2021 Audi SQ5, it's essential to adopt a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the cruise control fuse, as a blown fuse can often be the simplest explanation for malfunction. Next, examine the cruise control buttons on the steering wheel to ensure they are functioning correctly, as faulty buttons can disrupt the system's operation. Utilizing an OBD-II scanner to check for error codes can provide critical insights into any underlying issues, guiding your next steps. Additionally, verify that the speed sensors are operational, as they are integral to the cruise control system's functionality. Don't overlook the importance of inspecting wiring connections for any signs of damage or looseness, which could impede performance. Finally, testing the cruise control module itself will help determine if it is sending the correct signals. By following this structured diagnostic approach, you can effectively identify the root cause of the cruise control problem and take appropriate action for repairs.

What are the common problems that could cause the cruise control to stop working in a 2021 Audi SQ5?

When the cruise control in your 2021 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 your 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 my 2021 Audi SQ5?

Addressing the malfunctioning cruise control in your 2021 Audi SQ5 is of utmost importance due to the safety risks it poses. A malfunction can lead to unexpected acceleration or deceleration, which can create hazardous driving conditions for you and others on the road. Additionally, if you frequently rely on cruise control for long journeys, ignoring this issue can significantly diminish your driving comfort and convenience, making those trips more stressful. Furthermore, early intervention can prevent further damage to your vehicle's systems, ultimately saving you from costly repairs down the line. Therefore, it is crucial to prioritize the repair of your cruise control system to ensure both your safety and the longevity of your vehicle.

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2021 Audi SQ5 Cruise Control Issues & Repair Costs