2017 BMW 640i XDrive Gran Coupe Cruise Control Isn't Working

Fixing Cruise Control Issues in 2017 BMW 640i xDrive Gran Coupe

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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 2017 BMW 640i xDrive Gran Coupe 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 2017 BMW 640i xDrive Gran Coupe 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 2017 BMW 640i xDrive Gran Coupe?

When diagnosing a cruise control issue in a 2017 BMW 640i xDrive Gran Coupe, it's crucial to follow a methodical diagnostic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the cruise control fuse, as a blown fuse can easily disrupt the system's functionality. Next, assess the cruise control buttons on the steering wheel to ensure they are working properly, since malfunctioning buttons can lead to operational issues. Utilizing a diagnostic scanner to retrieve error codes from the vehicle's onboard computer can provide critical insights into any underlying problems. Additionally, check the speed sensors, which are vital for the cruise control system's performance, and examine the wiring and connections for any signs of damage or corrosion that could hinder operation. Finally, testing the cruise control module will help determine if it is functioning as intended. By systematically following these steps, you can effectively diagnose and resolve cruise control issues, enhancing your driving experience.

What are the common problems that could cause the cruise control to stop working in a 2017 BMW 640i xDrive Gran Coupe?

When the cruise control in your 2017 BMW 640i xDrive Gran Coupe ceases to function, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. One of the primary culprits is a faulty speed sensor, which is crucial for the cruise control system to accurately gauge the vehicle's speed. If this sensor malfunctions, the system may fail to engage or maintain the desired speed. Additionally, issues with the brake light switch can disrupt the cruise control's operation, as it relies on signals from the brake system to function correctly. Another potential issue is a malfunctioning throttle actuator, which can hinder communication between the cruise control and the engine, leading to operational failures. Electrical problems, such as faulty wiring or blown fuses, can also impede the system's performance. Lastly, software glitches within the vehicle's onboard computer may cause intermittent or complete failures of the cruise control. By identifying and addressing these common issues, you can take the first steps toward restoring your cruise control functionality.

How urgent is it to address the non-functioning cruise control in a 2017 BMW 640i xDrive Gran Coupe?

When it comes to the non-functioning cruise control in a 2017 BMW 640i xDrive Gran Coupe, understanding the urgency of the situation is crucial for any DIY enthusiast. While the absence of this feature may not pose an immediate safety risk, it can significantly detract from the overall driving experience, especially during long trips where maintaining a steady speed is essential for comfort and reduced fatigue. Ignoring this issue could lead to increased inconvenience on highways, where cruise control is often utilized. Moreover, addressing the problem promptly can prevent minor issues from escalating into more significant mechanical failures, which could result in costly repairs down the line. Therefore, while it may not be an emergency, taking the time to diagnose and fix the cruise control system is a wise decision that ensures both comfort and the longevity of your vehicle.

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2017 BMW 640i xDrive Gran Coupe Cruise Control Fix