2020 BMW X3 Cruise Control Isn't Working

Troubleshooting Common Issues with Cruise Control in Your 2020 BMW X3 and How to Fix Them

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Reviewed by
Andrew Hajjar
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 2020 BMW X3 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 2020 BMW X3 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.

The cruise control switch can cause complete failure of the cruise control feature, but in a lucky scenario only partial functionality will be lost. This means that the cruise control may come on, but that it will not increase in speed automatically, or the cancel button does not work leading the driver to cancel cruise control with the foot brake. In some vehicles, the cruise control light may illuminate, or a warning message may be displayed due to lack of functionality.

What steps should I take to diagnose the cruise control issue in my 2020 BMW X3?

When diagnosing a cruise control issue in your 2020 BMW X3, it's crucial to follow a methodical diagnostic approach that prioritizes simpler checks before delving into more complex solutions. Begin by inspecting the cruise control fuse, as a blown fuse is a common and easily fixable problem that can disrupt the system's functionality. Next, examine the cruise control buttons on your steering wheel to ensure they are working correctly, since malfunctioning buttons can lead to operational issues. Utilizing an OBD-II scanner to check for error codes is an essential step, as it can help identify specific faults within the cruise control system. Additionally, verify the functionality of the speed sensors, which are vital for the cruise control's operation. It's also wise to inspect the wiring connections for any signs of damage or looseness, as faulty wiring can significantly affect performance. Finally, test the cruise control module to ensure it is functioning properly. If these initial steps do not resolve the issue, seeking assistance from a professional mechanic or an authorized BMW service center is recommended for a thorough diagnosis and repair. By following this structured approach, you can effectively troubleshoot and potentially resolve the cruise control problem in your BMW X3.

What are the common problems that could cause the cruise control to stop working in a 2020 BMW X3?

When the cruise control in your 2020 BMW X3 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, preventing it from operating properly. Additionally, a malfunctioning throttle actuator can disrupt the system's ability to adjust the throttle position, which is crucial for maintaining speed. Electrical problems, such as faulty wiring or blown fuses, can also hinder the cruise control's functionality. Lastly, software glitches within the vehicle's control module may require a reset or update to restore proper operation. By identifying and addressing these common issues, you can effectively troubleshoot and potentially resolve the cruise control problems in your BMW X3.

How urgent is it to address the malfunctioning cruise control in a 2020 BMW X3?

When it comes to a malfunctioning cruise control in a 2020 BMW X3, the urgency to address the issue cannot be overstated. Ignoring symptoms such as erratic acceleration or deceleration can lead to dangerous driving conditions, increasing the risk of accidents on the road. Moreover, a malfunctioning system may indicate underlying problems that could escalate if left unattended, potentially resulting in costly repairs down the line. For DIY enthusiasts, understanding the importance of timely intervention is crucial; not only does it enhance safety, but it also allows you to maintain the comfort and convenience that cruise control offers during long drives. By prioritizing the repair of your cruise control system, you can ensure a safer driving experience while also preserving the integrity of your vehicle's performance.

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