2020 BMW M550i XDrive Cruise Control Isn't Working

Fixing Cruise Control Issues in 2020 BMW M550i xDrive

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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 2020 BMW M550i xDrive 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 M550i xDrive 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 2020 BMW M550i xDrive?

To effectively diagnose the non-functioning cruise control in your 2020 BMW M550i xDrive, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by inspecting the cruise control fuse located in the fuse box, as a blown fuse is a common and easily fixable issue. Next, examine the cruise control buttons on your steering wheel to ensure they are operational, as malfunctioning buttons can hinder functionality. Following this, verify the speed sensor, which is crucial for the cruise control system's operation; a faulty sensor can disrupt the entire system. Additionally, check the brake pedal switch, since the cruise control disengages when the brake is applied, and any issues here can prevent it from functioning. If these initial checks do not reveal the problem, utilize a diagnostic scanner to identify any error codes that may indicate specific issues within the cruise control system. Should you still be unable to resolve the problem, it is wise to consult a professional mechanic or an authorized BMW service center for a comprehensive inspection and repair. By following this structured diagnostic approach, you can efficiently identify and address the issues affecting your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2020 BMW M550i xDrive?

When the cruise control in your 2020 BMW M550i xDrive 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, disrupting its operation. Additionally, a malfunctioning throttle actuator can hinder the cruise control's ability to maintain speed, as it directly controls the throttle response. Electrical problems, such as blown fuses or wiring issues, can also interfere with the cruise control's functionality, making it crucial to inspect the vehicle's electrical system. 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 M550i xDrive.

How urgent is it to address the malfunctioning cruise control in a 2020 BMW M550i xDrive?

Addressing a malfunctioning cruise control in your 2020 BMW M550i xDrive is not just a matter of convenience; it is a critical safety concern that requires immediate attention. A malfunction can lead to unexpected acceleration or deceleration, significantly increasing the risk of accidents on the road. Moreover, the enjoyment and ease of driving are compromised when this feature is not functioning correctly, detracting from the overall driving experience. Ignoring these symptoms can also lead to more severe issues within the vehicle's systems, resulting in costly repairs down the line. Therefore, it is essential to prioritize the diagnosis and repair of cruise control malfunctions to ensure both your safety and the longevity of your vehicle.

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