2015 BMW 435i XDrive Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2015 BMW 435i xDrive 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 2015 BMW 435i xDrive cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty sensor can lead to incorrect readings, causing issues with engine performance or triggering warning lights on the dashboard.
  • Control Module: A faulty control module can result in 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 acceleration and poor engine 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 2015 BMW 435i 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 2015 BMW 435i xDrive?

To effectively diagnose the non-functioning cruise control in your 2015 BMW 435i xDrive, start with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the ABS control module and wheel speed sensors using a multimeter to ensure they are operational, as these components are crucial for cruise control functionality. Next, examine the fuses associated with the cruise control system, as a blown fuse can often be the culprit behind such malfunctions. If these initial checks do not resolve the issue, inspect the wiring harness for any signs of wear or damage, particularly if you notice intermittent failures or unresponsive button lights. Testing the cruise control function itself can provide valuable insights into the nature of the problem, helping you identify specific triggers for the malfunction. If, after these steps, the cruise control remains non-functional, it may be time to consult a professional technician who can perform a comprehensive diagnosis, potentially uncovering more complex issues like a faulty clock spring module in the steering wheel. By following this structured diagnostic approach, you can efficiently pinpoint the root cause of the cruise control issue and take appropriate action.

How urgent is it to address the non-functioning cruise control in a 2015 BMW 435i xDrive?

When it comes to a non-functioning cruise control in a 2015 BMW 435i xDrive, the urgency of addressing the issue cannot be overstated. A malfunctioning cruise control system can lead to dangerous driving situations, especially if the system fails while in use. While some issues may seem minor and could potentially be resolved with simple fixes, such as replacing a blown fuse or checking the brake pedal, others may indicate more serious underlying problems that require professional diagnosis. If you notice that the cruise control engages erratically or only at lower speeds, it’s still wise to investigate further, as these symptoms could escalate into more significant safety hazards. Additionally, complications related to the vehicle's speed readings or electronic control modules can lead to further damage if left unchecked. Therefore, regardless of the severity of the symptoms, it is advisable to address any cruise control malfunctions promptly to ensure both your safety and the optimal performance of your vehicle.

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2015 BMW 435i xDrive Cruise Control Troubleshooting