2013 Audi A4 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2013 Audi A4 and How to Fix Them

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Reviewed by
Bo Fader
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 2013 Audi A4 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 2013 Audi A4 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 cruise control issue in a 2013 Audi A4?

To effectively diagnose a cruise control issue in a 2013 Audi A4, it's essential to adopt a systematic approach that begins with the simplest potential problems before progressing to more complex diagnostics. Start by checking the cruise control fuse, as a blown fuse can easily disrupt the system's functionality. Next, inspect the cruise control buttons on the steering wheel to ensure they are operational, since faulty buttons can prevent engagement. Utilizing an OBD-II scanner to scan for error codes is a crucial step, as it can reveal specific issues affecting the cruise control system. Following this, verify the functionality of the vehicle's speed sensors, which are vital for the cruise control to operate correctly. Additionally, examine the wiring connections associated with the cruise control system for any signs of damage or corrosion, as poor connections can lead to malfunctions. Finally, test the cruise control module itself to confirm it is working properly, as a defective module can hinder the system's performance. By following this structured diagnostic approach, you can efficiently identify and address the underlying issues affecting the cruise control in your Audi A4.

What are the common problems that could cause the cruise control to stop working in a 2013 Audi A4?

When troubleshooting cruise control issues in a 2013 Audi A4, it's essential to consider several common problems that could be at play. One of the first components to check is the brake light switch, as a faulty switch can prevent the cruise control from engaging, since the system is designed to deactivate when the brake pedal is pressed. Additionally, issues with the speed sensor can disrupt the system's ability to maintain a steady speed, making it another critical area to inspect. It's also wise to examine the fuses related to the cruise control system; a blown fuse can lead to complete failure of the system. Furthermore, the throttle actuator plays a vital role in maintaining speed, so any malfunction here can directly impact cruise control performance. Lastly, be on the lookout for vacuum leaks, as these can disrupt the necessary vacuum pressure for the cruise control to function effectively. By systematically checking these components, DIYers can often identify and resolve the underlying issues affecting their vehicle's cruise control system.

How urgent is it to address the non-functioning cruise control in a 2013 Audi A4?

When considering the urgency of fixing a non-functioning cruise control in a 2013 Audi A4, it's essential to recognize that while it may not pose an immediate safety risk like brake or engine failures, it still warrants prompt attention. A malfunctioning cruise control can indicate deeper issues within the vehicle's electronic systems or sensors, which could lead to more significant problems if left unaddressed. Moreover, the convenience and comfort that cruise control provides, especially during long drives, cannot be overlooked; its absence can lead to increased driver fatigue and frustration. By diagnosing and repairing the cruise control system in a timely manner, you not only enhance your driving experience but also prevent potential complications that could arise from neglecting the issue. Therefore, while it may not be the highest priority, addressing the cruise control malfunction should be on your to-do list to ensure your Audi A4 operates smoothly and safely.

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