2018 BMW 530i XDrive Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2018 BMW 530i xDrive 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 2018 BMW 530i 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 2018 BMW 530i 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 2018 BMW 530i xDrive?

To effectively diagnose the non-functioning cruise control in your 2018 BMW 530i xDrive, it's essential to adopt a systematic approach that begins with the simplest potential issues. Start by checking the cruise control fuse located in the fuse box, as a blown fuse is a common culprit that can easily be replaced. Next, inspect the cruise control buttons on your steering wheel to ensure they are working properly; sometimes, these buttons can become unresponsive, preventing the system from activating. After that, verify the speed sensor, which plays a critical role in the cruise control's operation; a malfunctioning speed sensor can disrupt the entire system. Additionally, examine the brake pedal switch, since the cruise control is designed to disengage when the brake is pressed, and any faults here can lead to functionality issues. If these preliminary checks do not resolve the problem, utilize a diagnostic scanner to identify any error codes that may provide insight into specific issues within the cruise control system. Should you still be unable to pinpoint the problem, it may be prudent to consult a professional mechanic or an authorized BMW service center, as they have the expertise and specialized tools necessary for a comprehensive diagnosis and repair. By following this structured diagnostic approach, you can efficiently troubleshoot 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 2018 BMW 530i xDrive?

When troubleshooting cruise control issues in a 2018 BMW 530i xDrive, it's essential to understand the common problems that may lead to its malfunction. 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 the desired speed. Additionally, a malfunctioning brake light switch can send incorrect signals to the cruise control system, causing it to disengage unexpectedly, even when the brakes are not applied. Another potential issue lies with the throttle actuator; wear and tear or electrical problems here can hinder the system's capacity to maintain a constant speed. Furthermore, a defective cruise control module can interrupt communication between the control unit and other components, leading to operational failures. Lastly, various electrical problems, such as blown fuses, wiring issues, or a weak battery, can significantly impact the cruise control's functionality. By identifying and addressing these common issues, you can effectively troubleshoot and restore the cruise control system in your BMW.

How urgent is it to address the non-functioning cruise control in a 2018 BMW 530i xDrive?

When it comes to the non-functioning cruise control in a 2018 BMW 530i xDrive, understanding the urgency of the situation is crucial for any DIY enthusiast. While the immediate safety risks may not be as severe as those associated with critical systems like brakes or steering, neglecting this issue can lead to a range of inconveniences and potential complications. Cruise control is designed to enhance driving comfort and efficiency, particularly on long journeys, and its absence can lead to increased driver fatigue and reduced fuel economy. Moreover, unresolved cruise control problems may signal deeper issues within the vehicle's electronic systems, which could affect other functionalities. Therefore, it is advisable to address the malfunction promptly to maintain the vehicle's overall performance and ensure a safe driving experience. Taking action sooner rather than later can prevent further complications and enhance your driving comfort, making it a worthwhile DIY project.

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2018 BMW 530i xDrive Cruise Control Malfunction Guide