2016 Audi A6 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2016 Audi A6 and How to Fix Them

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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 2016 Audi A6 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 A6 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 non-functional cruise control in a 2016 Audi A6?

To effectively diagnose the non-functional cruise control in your 2016 Audi A6, it’s essential to adopt a methodical approach that begins with the simplest checks before progressing to more complex diagnostics. Start by examining the cruise control fuse, as a blown fuse is a common issue that can easily disrupt the system. Next, inspect the cruise control buttons on the steering wheel to ensure they are functioning properly, since any malfunction here can prevent the system from engaging. Utilizing an OBD-II scanner to check for error codes is a critical step, as it can help identify specific faults within the cruise control system. After that, assess the vehicle's speed sensors, which are crucial for the cruise control's operation; any faults in these sensors can hinder functionality. Additionally, verify that the brake and clutch switches are working correctly, as these components are designed to disable cruise control for safety reasons. Finally, if all previous checks are clear, test the cruise control module itself to ensure it is sending and receiving signals properly. By following this structured diagnostic approach, you can efficiently pinpoint and resolve the underlying issues affecting your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2016 Audi A6?

When the cruise control in your 2016 Audi A6 stops functioning, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the primary culprits is a faulty brake pedal switch, which may fail to signal the system when the brake is applied, preventing cruise control from engaging. Additionally, issues with the speed sensor can lead to incorrect speed readings, causing the system to disengage unexpectedly. Another potential problem is a malfunctioning throttle actuator, which is crucial for maintaining a steady speed; if it fails, the cruise control may not operate as intended. Electrical problems, such as blown fuses or damaged wiring, can also disrupt the cruise control functionality, so it's essential to check these components. Lastly, software glitches within the vehicle's control module can interfere with the cruise control system, requiring a reset or update to resolve. By systematically checking these areas, you can effectively troubleshoot and potentially fix the cruise control issues in your Audi A6.

How urgent is it to address the malfunctioning cruise control in a 2016 Audi A6?

When it comes to a malfunctioning cruise control system in a 2016 Audi A6, the urgency of addressing the problem cannot be overstated. A faulty cruise control can lead to erratic vehicle behavior, such as unexpected acceleration or deceleration, which significantly increases the risk of accidents on the road. This is not just a minor inconvenience; it poses a serious safety hazard for both the driver and other road users. Moreover, delaying repairs can exacerbate the issue, potentially leading to more extensive damage to the vehicle's electronic systems or mechanical components, resulting in costly repairs down the line. Therefore, it is crucial for DIY enthusiasts to recognize the importance of prompt action. Consulting with a qualified mechanic or an authorized Audi service center is advisable to ensure a proper diagnosis and repair, ultimately safeguarding both the vehicle's performance and the safety of its occupants.

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2016 Audi A6 Cruise Control Problems & Repair Costs