2017 BMW 740e XDrive Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2017 BMW 740e 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 2017 BMW 740e 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 2017 BMW 740e 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 2017 BMW 740e xDrive?

To effectively diagnose the non-functioning cruise control in your 2017 BMW 740e xDrive, start with a systematic approach that prioritizes simpler checks before moving on to more complex diagnostics. Begin by inspecting the cruise control fuse 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 performance; a faulty sensor can disrupt the entire system. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues. Additionally, inspect the brake and clutch switches, as these components can disable cruise control if they are not functioning correctly. Lastly, examine the wiring and connections associated with the cruise control system for any signs of damage or looseness. If these steps do not resolve the issue, consulting a professional mechanic or a BMW dealership is advisable, as they possess the specialized knowledge and tools necessary for a thorough diagnosis and repair. By following this structured approach, you can efficiently identify and address the problem with your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2017 BMW 740e xDrive?

When troubleshooting cruise control issues in a 2017 BMW 740e xDrive, it's essential to understand the common problems that may be at play. A faulty speed sensor is often the primary culprit, as it can disrupt the system's ability to detect the vehicle's speed accurately, preventing the cruise control from engaging or maintaining speed. Additionally, issues with the brake light switch can cause the cruise control to disengage unexpectedly, since the system is designed to turn off when the brake pedal is pressed. Another potential problem lies with the throttle actuator; if it malfunctions, the cruise control may struggle to maintain the desired speed. Electrical problems, such as blown fuses or wiring issues, can also hinder the cruise control's functionality, as can vacuum leaks in the engine, which are critical for the system's operation. By identifying and addressing these common issues, DIY enthusiasts can effectively troubleshoot and restore the cruise control system in their BMW 740e xDrive.

How urgent is it to address the malfunctioning cruise control in a 2017 BMW 740e xDrive?

When it comes to a malfunctioning cruise control system in your 2017 BMW 740e xDrive, the urgency to address the issue cannot be overstated. Cruise control is designed to enhance your driving experience by maintaining a consistent speed, which not only improves comfort but also reduces fatigue during long drives. However, if this system is not functioning correctly, it can lead to unpredictable speed changes, posing significant safety risks on the road. Ignoring these symptoms may result in more severe problems, potentially affecting other vehicle systems and compromising overall performance. Therefore, it is crucial to act promptly by consulting a certified BMW technician or an authorized service center. This proactive approach ensures that the issue is diagnosed and repaired effectively, safeguarding your vehicle's functionality and your safety while driving.

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Diagnosing Cruise Control Issues in 2017 BMW 740e xDrive