2016 Audi S7 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2016 Audi S7 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 2016 Audi S7 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 S7 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 non-functioning cruise control in my 2016 Audi S7?

To effectively diagnose the non-functioning cruise control in your 2016 Audi S7, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by inspecting the cruise control fuse in the fuse box; a blown fuse is an easy fix that can often resolve the issue. Next, examine the cruise control buttons on your steering wheel for any signs of sticking or damage, as these can hinder functionality. Following this, verify the operation of the speed sensors located on the wheels, since faulty sensors can disrupt the cruise control system. Utilizing an OBD-II scanner to check for error codes can provide valuable insights into any underlying issues. Additionally, ensure that the brake and clutch switches are functioning correctly, as malfunctioning switches can prevent the cruise control from engaging. Finally, inspect the wiring and connections associated with the cruise control system for any damage or corrosion, securing loose connections as needed. If these steps do not resolve the problem, it may be time to consult a professional mechanic or an authorized Audi service center for further assistance. This methodical approach not only helps in identifying the issue but also empowers you to take informed actions towards a solution.

What are the common problems that could cause the cruise control to stop working in a 2016 Audi S7?

When dealing with a malfunctioning cruise control system in a 2016 Audi S7, it's essential to understand the common issues that may be at play. One of the primary culprits is a faulty speed sensor, which can disrupt the system's ability to accurately gauge the vehicle's speed, preventing it from engaging or maintaining speed. Additionally, problems with the brake light switch can pose significant challenges; if this switch is malfunctioning, it may fail to send the correct signals to the cruise control module, causing it to disengage unexpectedly. Another potential issue lies within the throttle control system. A defective throttle position sensor or actuator can hinder the cruise control's performance, making it difficult to maintain a steady speed. Electrical problems, such as blown fuses or wiring issues, can also contribute to cruise control failure, as they may disrupt the power supply to the system. Lastly, vacuum leaks in the engine can affect the cruise control's operation, as a stable vacuum is crucial for its functionality. By identifying and addressing these common problems, DIYers can effectively troubleshoot and restore the cruise control system in their Audi S7.

How urgent is it to address the malfunctioning cruise control in a 2016 Audi S7?

Addressing the malfunctioning cruise control in a 2016 Audi S7 is of utmost importance due to the significant safety risks it poses. A faulty system can lead to unexpected acceleration or deceleration, which can create dangerous driving conditions and increase the likelihood of accidents. Promptly resolving this issue not only safeguards your safety but also helps prevent further complications that could arise from neglecting the problem. Delaying repairs may result in additional damage to the vehicle's components, leading to more extensive and costly repairs down the line. Furthermore, a malfunctioning cruise control detracts from the overall driving experience, diminishing the convenience and enjoyment that this feature is designed to provide. Therefore, it is crucial to prioritize the repair of the cruise control system to ensure both safety and optimal vehicle performance.

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2016 Audi S7 Cruise Control Issues: Causes & Repairs