2019 Audi E-tron Quattro Cruise Control Isn't Working

Fixing Cruise Control Issues in 2019 Audi e-tron Quattro

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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 2019 Audi e-tron Quattro 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 2019 Audi e-tron Quattro 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 2019 Audi e-tron Quattro?

To effectively diagnose the cruise control issue in your 2019 Audi e-tron Quattro, start by ensuring that the cruise control settings are correctly configured and activated. This initial step is crucial, as sometimes the problem may simply stem from an incorrect setting. Next, inspect the cruise control buttons on your steering wheel to confirm they are functioning properly; a stuck or malfunctioning button can prevent the system from engaging. Following this, verify the speed sensor, as it plays a vital role in the cruise control's operation. If the sensor is not working correctly, it can lead to system failures. Utilizing a diagnostic tool to scan for error codes related to the cruise control system can provide insights into any underlying issues. After addressing these preliminary checks, inspect the cruise control module for any signs of malfunction or connectivity problems. Finally, conduct a test drive to observe the system's behavior, ensuring it engages and disengages as expected. If these steps do not resolve the issue, it may be time to consult a professional mechanic or an Audi service center for further assistance. By following this structured approach, you can systematically identify and potentially resolve the cruise control issue in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2019 Audi e-tron Quattro?

When troubleshooting the cruise control system in a 2019 Audi e-tron Quattro, it's essential to understand the common problems that may lead to its failure. One prevalent issue is a faulty speed sensor, which can disrupt the system's ability to accurately gauge the vehicle's speed, preventing the cruise control from engaging or maintaining the desired speed. Additionally, problems with the brake light switch can pose significant challenges, as this switch is crucial for disengaging the cruise control when the brakes are applied; a malfunction here can result in erratic behavior or complete inoperability of the system. Another area to investigate is the throttle control system, where a faulty throttle position sensor or issues with the electronic throttle control unit can hinder the cruise control's performance. Electrical problems, such as blown fuses or wiring issues, can also affect the cruise control module, leading to operational disruptions. Lastly, software glitches within the vehicle's onboard computer may require updates or resets to restore functionality. By systematically addressing these potential issues, DIY enthusiasts can effectively troubleshoot and resolve cruise control malfunctions in their Audi e-tron Quattro.

How urgent is it to address the malfunctioning cruise control in my 2019 Audi e-tron Quattro?

When it comes to the malfunctioning cruise control in your 2019 Audi e-tron Quattro, the urgency of addressing the issue cannot be overstated. A malfunctioning system can lead to unexpected acceleration or deceleration, creating a significant safety hazard on the road. This unpredictability not only compromises your safety but also that of other drivers and pedestrians. Moreover, neglecting these symptoms can exacerbate the problem, potentially causing damage to other vehicle components, which may result in more extensive and costly repairs down the line. The convenience and comfort that cruise control offers are diminished when the system is unreliable, affecting your overall driving experience. Therefore, it is crucial to have the issue diagnosed and repaired by a qualified technician as soon as possible to ensure your vehicle operates safely and efficiently, ultimately protecting both your investment and your well-being on the road.

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2019 Audi e-tron Quattro Cruise Control Issues & Fixes