2015 BMW M4 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2015 BMW M4 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 2015 BMW M4 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 M4 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 common problems that could cause the cruise control to stop working in a 2015 BMW M4?

When the cruise control in your 2015 BMW M4 ceases to function, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the first things to check is the control module, as a failure here can disrupt the entire system. Additionally, the throttle position sensor plays a crucial role; if it malfunctions, it may lead to improper fuel management, which can manifest as black exhaust. A blown fuse is another frequent culprit that can easily be overlooked, so inspecting the fuses related to the cruise control system is essential. Furthermore, issues with the brake pedal switch or throttle control system can prevent cruise control from engaging. In some cases, problems with the ABS system or a broken vacuum line may also be at fault, particularly in older models. For a thorough diagnosis, consider using a scanner to check for error codes and verify the operation of the speed sensor. If these steps do not resolve the issue, consulting a professional mechanic or visiting a BMW service center may be necessary for a comprehensive evaluation and repair.

How urgent is it to address the non-functioning cruise control in a 2015 BMW M4?

Addressing the non-functioning cruise control in a 2015 BMW M4 is not just a matter of convenience; it is a critical safety concern that should be prioritized. When cruise control malfunctions, it can signal deeper issues within the vehicle's system, potentially affecting other vital functions such as acceleration and speedometer accuracy. Ignoring these symptoms can lead to more severe complications, including impaired driving performance and increased risk of accidents. Therefore, it is essential to act promptly to diagnose and resolve the issue, ensuring that your vehicle remains safe and reliable on the road. By addressing the cruise control problem quickly, you not only enhance your driving experience but also prevent further damage that could result in costly repairs down the line.

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