2019 BMW Z4 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2019 BMW Z4 and How to Fix Them

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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 2019 BMW Z4 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 2019 BMW Z4 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 cruise control issue in my 2019 BMW Z4?

To effectively diagnose the cruise control issue in your 2019 BMW Z4, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by inspecting the cruise control fuse, as a blown fuse can easily disrupt functionality. Next, examine the cruise control buttons on the steering wheel for any signs of damage or wear that could hinder their operation. Utilizing an OBD-II scanner is crucial for identifying any error codes related to the cruise control system, providing insights into potential malfunctions. Following this, verify the performance of the speed sensors, as they are integral to the cruise control's operation. It's also important to check the wiring connections associated with the cruise control system for any loose or damaged wires that could be causing issues. If these preliminary checks do not resolve the problem, proceed to test the cruise control module to ensure it is functioning correctly. Should you still encounter difficulties, seeking assistance from a professional mechanic or an authorized BMW service center is advisable for a thorough diagnosis and resolution. By following this structured diagnostic approach, you can efficiently identify and address the cruise control issue in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2019 BMW Z4?

When troubleshooting the cruise control system in a 2019 BMW Z4, it's essential to understand the common problems that may lead to its malfunction. One prevalent issue is a faulty speed sensor, which can disrupt the system's ability to accurately gauge the vehicle's speed, preventing the cruise control from engaging or maintaining the desired speed. Additionally, problems with the brake light switch can pose a significant challenge, as this switch is crucial for disengaging the cruise control when the brake pedal is pressed; a malfunction here can cause the system to behave erratically. Another potential culprit is the throttle actuator, which regulates the engine's throttle opening; if it fails, the cruise control may struggle to maintain speed effectively. Furthermore, a defective cruise control module can hinder communication between various system components, leading to operational failures. Lastly, electrical issues such as wiring problems or blown fuses can also impede the cruise control's functionality. By identifying these common issues, DIY enthusiasts can better diagnose and address the problems affecting their BMW Z4's cruise control system.

How urgent is it to address the non-functioning cruise control in a 2019 BMW Z4?

When it comes to the non-functioning cruise control in your 2019 BMW Z4, understanding the urgency of the situation is crucial for maintaining both your vehicle's performance and your driving comfort. While the absence of cruise control may not pose an immediate safety risk, it can significantly detract from your overall driving experience, especially during long trips where this feature is particularly beneficial. Ignoring the problem could lead to increased driver fatigue, as you may find yourself constantly adjusting your speed, which can be both tiring and frustrating. Moreover, what may seem like a minor inconvenience could potentially escalate into more serious issues if the underlying cause is related to the vehicle's electronic systems. By addressing the non-functioning cruise control promptly, you not only enhance your driving comfort but also mitigate the risk of further complications that could arise from neglecting the issue. Therefore, while it may not be an emergency, taking timely action is advisable to ensure a smooth and enjoyable driving experience in your BMW Z4.

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